#210e2f
a deep, vivid violet · cool · closest name: Midnight Blue
Token name suggestion: Ink Thistle
#210e2f is a deep vivid violet, 275° on the wheel and 64/100 on the cool side. Put white text on it (17.97:1). As text it scores 17.97:1 on white — safe at any size. Nearest name is Midnight Blue, nearest Tailwind family is zinc.
At a glance
Every number on this page in one read: what #210e2f is made of, how bright it looks, and which way it leans.
Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #210e2f.
Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.
Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.
Every format
| HEX | #210e2f |
| HEX (8-digit) | #210e2fff |
| RGB | rgb(33, 14, 47) |
| RGBA | rgba(33, 14, 47, 1) |
| HSL | hsl(275, 54%, 12%) |
| HSV / HSB | hsv(275, 70%, 18%) |
| HWB | hwb(275 5% 82%) |
| CMYK | cmyk(30%, 70%, 0%, 82%) |
| LAB | lab(7.6 17.7 -18.2) |
| LCH | lch(7.6 25.4 314.2) |
| OKLCH | oklch(0.211 0.065 308.4) |
| XYZ (D65) | xyz(1.30, 0.84, 2.78) |
| Decimal | 2166319 |
| Display P3 | color(display-p3 0.129 0.055 0.184) |
| Web-safe | #330033 |
Copy-ready code
/* CSS */
color: #210e2f;
background-color: #210e2f;
/* CSS custom property */
--brand: #210e2f;
/* Tailwind (arbitrary) */
class="text-[#210e2f] bg-[#210e2f]"
/* SCSS */
$brand: #210e2f;
/* SwiftUI */
Color(red: 0.129, green: 0.055, blue: 0.184)
/* UIKit */
UIColor(red: 0.129, green: 0.055, blue: 0.184, alpha: 1)
/* Android XML */
<color name="brand">#210E2F</color>
/* Android Compose */
Color(0xFF210E2F)
/* Flutter */
Color(0xFF210E2F)
/* Python / OpenCV (BGR) */
(47, 14, 33)
/* Python / PIL (RGB) */
(33, 14, 47)
/* Java AWT */
new Color(33, 14, 47)
/* .NET */
Color.FromArgb(255, 33, 14, 47)
/* OpenGL / Unity (0–1) */
(0.1294f, 0.0549f, 0.1843f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{33,14,47}/* mix without leaving CSS */ background: color-mix(in oklab, #210e2f 85%, white); border-color: color-mix(in oklab, #210e2f 40%, transparent); /* theme-aware in one line */ color: light-dark(#451D62, #E2D3EE); /* relative colour syntax */ --hover: hsl(from #210e2f h s calc(l - 7));
Design tokens
The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.
:root {
--brand-50: #F8F4FB;
--brand-100: #F1E9F6;
--brand-200: #E0CEEE;
--brand-300: #CBA9E5;
--brand-400: #B27DD8;
--brand-500: #9852CC;
--brand-600: #8438BD;
--brand-700: #6E2F9D;
--brand-800: #58257E;
--brand-900: #421F5C;
--brand-950: #210e2f;
--brand: #210e2f;
--brand-ink: #ffffff;
--brand-surface: #F8F4FA;
--brand-border: #DAC0EC;
--brand-hover: #0E0614;
--brand-pressed: #000000;
}
@media (prefers-color-scheme: dark) {
:root {
--brand-surface: #1D1424;
--brand-ink: #E2D3EE;
}
}theme: {
extend: {
colors: {
brand: {
50: '#F8F4FB',
100: '#F1E9F6',
200: '#E0CEEE',
300: '#CBA9E5',
400: '#B27DD8',
500: '#9852CC',
600: '#8438BD',
700: '#6E2F9D',
800: '#58257E',
900: '#421F5C',
950: '#210e2f',
DEFAULT: '#210e2f',
},
},
},
}$brand: (
'50': #F8F4FB,
'100': #F1E9F6,
'200': #E0CEEE,
'300': #CBA9E5,
'400': #B27DD8,
'500': #9852CC,
'600': #8438BD,
'700': #6E2F9D,
'800': #58257E,
'900': #421F5C,
'950': #210e2f,
);
$brand-base: #210e2f;
$brand-ink: #ffffff;
@function brand($step) { @return map-get($brand, $step); }{
"color": {
"brand": {
"50": { "$value": "#F8F4FB", "$type": "color" },
"100": { "$value": "#F1E9F6", "$type": "color" },
"200": { "$value": "#E0CEEE", "$type": "color" },
"300": { "$value": "#CBA9E5", "$type": "color" },
"400": { "$value": "#B27DD8", "$type": "color" },
"500": { "$value": "#9852CC", "$type": "color" },
"600": { "$value": "#8438BD", "$type": "color" },
"700": { "$value": "#6E2F9D", "$type": "color" },
"800": { "$value": "#58257E", "$type": "color" },
"900": { "$value": "#421F5C", "$type": "color" },
"950": { "$value": "#210e2f", "$type": "color" }
},
"brandInk": { "$value": "#ffffff", "$type": "color" }
}
}Best text color
Only one of black and white can be right. This is the one, with the number that proves it.
Make it accessible
A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.
Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #210E2F is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).
Accessibility — WCAG contrast
Contrast is symmetric, so each row covers both directions: #210e2f as text on that neutral, and that neutral as text on #210e2f.
| Neutral | Ratio | Verdict | Both directions |
|---|---|---|---|
| White#ffffff | 17.97:1 | AAAA lgAAA | AaAa |
| Slate 50#f8fafc | 17.18:1 | AAAA lgAAA | AaAa |
| Slate 100#f1f5f9 | 16.40:1 | AAAA lgAAA | AaAa |
| Slate 200#e2e8f0 | 14.58:1 | AAAA lgAAA | AaAa |
| Slate 300#cbd5e1 | 12.10:1 | AAAA lgAAA | AaAa |
| Slate 400#94a3b8 | 7.01:1 | AAAA lgAAA | AaAa |
| Slate 500#64748b | 3.78:1 | AAAA lgAAA | AaAa |
| Slate 600#475569 | 2.37:1 | AAAA lgAAA | AaAa |
| Slate 700#334155 | 1.74:1 | AAAA lgAAA | AaAa |
| Slate 800#1e293b | 1.23:1 | AAAA lgAAA | AaAa |
| Slate 900#0f172a | 1.01:1 | AAAA lgAAA | AaAa |
| Black#000000 | 1.17:1 | AAAA lgAAA | AaAa |
Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.
Color scale — 50 to 950
A Tailwind-shaped ramp built around this exact hex. #210e2f is pinned to step 950; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.
The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.
:root {
--brand-50: oklch(0.97 0.016 308.4);
--brand-100: oklch(0.94 0.026 308.4);
--brand-200: oklch(0.88 0.039 308.4);
--brand-300: oklch(0.80 0.051 308.4);
--brand-400: oklch(0.72 0.060 308.4);
--brand-500: oklch(0.64 0.065 308.4);
--brand-600: oklch(0.56 0.065 308.4);
--brand-700: oklch(0.48 0.061 308.4);
--brand-800: oklch(0.40 0.055 308.4);
--brand-900: oklch(0.32 0.046 308.4);
--brand-950: oklch(0.24 0.036 308.4);
}Colors that work with #210e2f
Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.
Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.
Lightness flips, hue holds. The accent stays the anchor in both themes.
In real components
The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.
Focus ring uses the light variant so the field still reads as one shape.
The file stays available for seven days. Download it before it expires.
How to use #210e2f
Derived from its contrast, chroma and lightness — not from taste.
- ✓Body text and links on white
- ✓Primary buttons and calls to action
- ✓Focus rings, active and selected states
- ✓Headers, footers and dark-mode surfaces
- ✓Brand accents, badges and data highlights
- ⚠Text on black or near-black surfaces
- ⚠Full-page backgrounds — tiring over long sessions
- ⚠Black text placed on it
- ⚠Pairing with a same-lightness hue — edges vibrate
Meaning and mood
What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.
Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft.
This is a confident chroma: strong enough to lead a brand, restrained enough to live in an interface all day. The low lightness adds weight and formality.
Deep violets swallow detail on screens with poor gamma; check it on a cheap laptop panel.
- FormalityHigh
- EnergyMedium-high
- Weight88/100
- TemperatureCool
- ApproachabilityBalanced
Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.
Similar colors
One move away from this hex in each direction. Every swatch is its own page.
Color relationships
The wheel positions with their names attached, so you can grab the one you actually need.
| Complementary | #1C2F0E | Directly opposite — maximum tension | |
| Analogous left | #110E2F | Neighbour, quieter | |
| Analogous right | #2F0E2D | Neighbour, quieter | |
| Split-complement 1 | #2D2F0E | Contrast without the clash | |
| Split-complement 2 | #0E2F11 | Contrast without the clash | |
| Triadic 1 | #2F210E | Even thirds — balanced and loud | |
| Triadic 2 | #0E2F21 | Even thirds — balanced and loud | |
| Tetradic | #2F110E | Fourth corner of the square scheme |
#210e2f sits at 275°. Every dot is a harmony position and links to its own page in the table alongside.
RGB percentages
CMYK percentages
Total ink coverage is 182%. Most commercial presses cap around 300% — above that, sheets stop drying properly.
Color previews
#210e2f text on a black background
contrast 1.17:1
#210e2f text on a white background
contrast 17.97:1
#210e2f on grey
16.40:1
#210e2f on its own surface
16.53:1
#210e2f on its dark surface
1.01:1
CSS3 live lab
The quick brown fox
color: #210e2f;
background-color: #210e2f;
Glowing headline
text-shadow: 2px 2px 8px #210e2f;
Soft neon halo
text-shadow: 0 0 14px rgba(33, 14, 47, 0.45);
box-shadow: 0 12px 32px -8px rgba(33, 14, 47, 0.45);
border: 3px solid #210e2f; background: linear-gradient(135deg, #210e2f, #2F0E27);
Gradient headline
background: linear-gradient(90deg, #210e2f, #2F0E1F); -webkit-background-clip: text; color: transparent;
outline: 2px solid #210e2f; outline-offset: 3px;
Marked up text
text-decoration-color: #210e2f; caret-color: #210e2f;
border-left: 4px solid #210e2f;
background: #F3EBF9; box-shadow: inset 0 0 0 2px #210e2f;
background: conic-gradient(#210e2f 68%, #e2e8f0 0);
Transparency
What each alpha value actually composites to. The top row is #210e2f over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.
Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.
rgba(33, 14, 47, 0.5) rgb(33 14 47 / 50%) #210e2f80 hsl(275 54% 12% / 50%) color-mix(in srgb, #210e2f 50%, transparent)
| Alpha | 8-digit hex | Flat on white |
|---|---|---|
| 10% | #210e2f1a | #E9E7EA |
| 20% | #210e2f33 | #D3CFD5 |
| 40% | #210e2f66 | #A69FAC |
| 60% | #210e2f99 | #7A6E82 |
| 80% | #210e2fcc | #4D3E59 |
Gradients from #210e2f
Six recipes, each built from this hex and shown with the exact CSS that produced it.
background: linear-gradient(135deg, #421C5E, #210e2f 45%, #451D62);
background: linear-gradient(120deg, #210e2f, #180712);
background: linear-gradient(90deg, #210e2f, #1C2F0E);
background: radial-gradient(120% 120% at 20% 0%, #532376 0%, #210e2f 45%, #451D62 100%);
background: linear-gradient(180deg, #F8F4FA, #ffffff);
background: radial-gradient(60% 60% at 15% 20%, #1A1A56 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #47153F 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #451D62 0%, transparent 65%), #210e2f;
Monochromatic scale
Palettes built from #210e2f
Shades — darker
Tints — lighter
Tones — desaturated
Color harmonies
Nearest named colors
Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.
Closest color with a full write-up: Slack Aubergine (#4a154b) — ΔE2000 9.9 away, with its history, psychology and brand usage.
#210e2f in the real world
Where a color in this family tends to land, and the interface roles it is usually asked to play.
Converts to four-color process without much drama. Proof it anyway.
Very dark values collapse into each other on cheap panels — leave more lightness between your darkest steps than the numbers suggest.
Too dim on dark surfaces at 1.17:1 — lift it to #9A56CD for body text, or reserve it for fills.
Explore nearby colors
Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.
#210e2f, answered
What color is #210e2f?
#210e2f is a deep vivid violet, closest to Midnight Blue (ΔE2000 14.6). It sits at 275° on the hue wheel with 54% saturation and 12% lightness, which reads as cool.
What is the RGB value of #210e2f?
rgb(33, 14, 47) — 33 red, 14 green and 47 blue out of 255, or 12.9% / 5.5% / 18.4% by channel.
What is #210e2f in HSL and HSV?
hsl(275, 54%, 12%) and hsv(275, 70%, 18%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.
Is #210e2f a light or a dark color?
It is a dark color. Relative luminance is 0.0084 and perceived brightness is 10%, so white text on it reaches 17.97:1.
Should I use black or white text on #210e2f?
White. It scores 17.97:1 against #210e2f, versus 1.17:1 for black — AAA at any size.
Is #210e2f accessible on a white background?
#210e2f on white scores 17.97:1, which clears AAA at every size.
What is the complementary color of #210e2f?
#1C2F0E sits directly opposite on the wheel. Softer options are the split-complements #2D2F0E and #0E2F11, which give the same contrast with far less vibration.
What colors go well with #210e2f?
For interface work: #F8F4FA as the surface, #DAC0EC for borders, #794B9B for secondary text, #25300D as an accent and #451D62 for hover and pressed states. For a palette, the analogous pair #110E2F and #2F0E2D stays calm, while #1C2F0E is the loudest partner.
What is #210e2f in CMYK for printing?
cmyk(30%, 70%, 0%, 82%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.
Is #210e2f warm or cool?
Cool — it scores 64 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #2D0E2F; nudged cooler, #150D30.
Which Tailwind color is closest to #210e2f?
The zinc family — its 500 step is #71717a, ΔE2000 33.7 away. That is a visible difference, so define #210e2f as a custom token rather than reaching for the built-in.
How do I use #210e2f in Tailwind CSS?
Inline it as an arbitrary value with bg-[#210e2f] or text-[#210e2f], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.
What is #210e2f with 50% opacity?
rgba(33, 14, 47, 0.5), or #210e2f80 in eight-digit hex. Over white that composites to #908797; over black, #110718.
Is #210e2f a web-safe color?
No. The nearest web-safe colour is #330033, ΔE2000 7.1 away. The palette only matters for legacy displays and some email clients now.
What does the color #210e2f mean?
As a violet, it reads creative, premium, modern. Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft. At this chroma the effect is amplified — it will dominate whatever sits beside it.
What gradient works with #210e2f?
The safest is same-hue elevation: linear-gradient(135deg, #421C5E, #210e2f 45%, #451D62). For more colour, a short hue run to #180712 keeps it rich without turning muddy.
Work with #210e2f in the Color Lab
Every tool opens with this colour already loaded.
Every value on this page is computed from #210e2f at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.