#bcb9da
a light, soft blue · cool · closest name: Thistle
Token name suggestion: Drift Cobalt
#bcb9da is a light soft blue, 246° on the wheel and 77/100 on the cool side. Put black text on it (11.09:1). As text it scores 1.89:1 on white — use #736CB1 instead. Nearest name is Thistle, nearest Tailwind family is slate.
At a glance
Every number on this page in one read: what #bcb9da 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 #bcb9da.
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 | #bcb9da |
| HEX (8-digit) | #bcb9daff |
| RGB | rgb(188, 185, 218) |
| RGBA | rgba(188, 185, 218, 1) |
| HSL | hsl(246, 31%, 79%) |
| HSV / HSB | hsv(245, 15%, 85%) |
| HWB | hwb(246 73% 15%) |
| CMYK | cmyk(14%, 15%, 0%, 15%) |
| LAB | lab(76.3 7.6 -16.1) |
| LCH | lch(76.3 17.8 295.1) |
| OKLCH | oklch(0.799 0.046 289.5) |
| XYZ (D65) | xyz(50.74, 50.45, 73.38) |
| Decimal | 12368346 |
| Display P3 | color(display-p3 0.737 0.725 0.855) |
| Web-safe | #CCCCCC |
Copy-ready code
/* CSS */
color: #bcb9da;
background-color: #bcb9da;
/* CSS custom property */
--brand: #bcb9da;
/* Tailwind (arbitrary) */
class="text-[#bcb9da] bg-[#bcb9da]"
/* SCSS */
$brand: #bcb9da;
/* SwiftUI */
Color(red: 0.737, green: 0.725, blue: 0.855)
/* UIKit */
UIColor(red: 0.737, green: 0.725, blue: 0.855, alpha: 1)
/* Android XML */
<color name="brand">#BCB9DA</color>
/* Android Compose */
Color(0xFFBCB9DA)
/* Flutter */
Color(0xFFBCB9DA)
/* Python / OpenCV (BGR) */
(218, 185, 188)
/* Python / PIL (RGB) */
(188, 185, 218)
/* Java AWT */
new Color(188, 185, 218)
/* .NET */
Color.FromArgb(255, 188, 185, 218)
/* OpenGL / Unity (0–1) */
(0.7373f, 0.7255f, 0.8549f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{188,185,218}/* mix without leaving CSS */ background: color-mix(in oklab, #bcb9da 85%, white); border-color: color-mix(in oklab, #bcb9da 40%, transparent); /* theme-aware in one line */ color: light-dark(#302C53, #D9D7EA); /* relative colour syntax */ --hover: hsl(from #bcb9da h s calc(l - 7));
Design tokens
The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.
:root {
--brand-50: #F6F6F9;
--brand-100: #EDECF3;
--brand-200: #D7D5E7;
--brand-300: #bcb9da;
--brand-400: #9691C5;
--brand-500: #736CB1;
--brand-600: #5C55A0;
--brand-700: #4C4785;
--brand-800: #3D386B;
--brand-900: #2F2C4F;
--brand-950: #1D1B31;
--brand: #bcb9da;
--brand-ink: #000000;
--brand-surface: #F5F5FA;
--brand-border: #CCCAE3;
--brand-hover: #A6A2CE;
--brand-pressed: #8F8AC1;
}
@media (prefers-color-scheme: dark) {
:root {
--brand-surface: #151424;
--brand-ink: #D9D7EA;
}
}theme: {
extend: {
colors: {
brand: {
50: '#F6F6F9',
100: '#EDECF3',
200: '#D7D5E7',
300: '#bcb9da',
400: '#9691C5',
500: '#736CB1',
600: '#5C55A0',
700: '#4C4785',
800: '#3D386B',
900: '#2F2C4F',
950: '#1D1B31',
DEFAULT: '#bcb9da',
},
},
},
}$brand: (
'50': #F6F6F9,
'100': #EDECF3,
'200': #D7D5E7,
'300': #bcb9da,
'400': #9691C5,
'500': #736CB1,
'600': #5C55A0,
'700': #4C4785,
'800': #3D386B,
'900': #2F2C4F,
'950': #1D1B31,
);
$brand-base: #bcb9da;
$brand-ink: #000000;
@function brand($step) { @return map-get($brand, $step); }{
"color": {
"brand": {
"50": { "$value": "#F6F6F9", "$type": "color" },
"100": { "$value": "#EDECF3", "$type": "color" },
"200": { "$value": "#D7D5E7", "$type": "color" },
"300": { "$value": "#bcb9da", "$type": "color" },
"400": { "$value": "#9691C5", "$type": "color" },
"500": { "$value": "#736CB1", "$type": "color" },
"600": { "$value": "#5C55A0", "$type": "color" },
"700": { "$value": "#4C4785", "$type": "color" },
"800": { "$value": "#3D386B", "$type": "color" },
"900": { "$value": "#2F2C4F", "$type": "color" },
"950": { "$value": "#1D1B31", "$type": "color" }
},
"brandInk": { "$value": "#000000", "$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 #928EC3 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: #bcb9da as text on that neutral, and that neutral as text on #bcb9da.
| Neutral | Ratio | Verdict | Both directions |
|---|---|---|---|
| White#ffffff | 1.89:1 | AAAA lgAAA | AaAa |
| Slate 50#f8fafc | 1.81:1 | AAAA lgAAA | AaAa |
| Slate 100#f1f5f9 | 1.73:1 | AAAA lgAAA | AaAa |
| Slate 200#e2e8f0 | 1.54:1 | AAAA lgAAA | AaAa |
| Slate 300#cbd5e1 | 1.28:1 | AAAA lgAAA | AaAa |
| Slate 400#94a3b8 | 1.35:1 | AAAA lgAAA | AaAa |
| Slate 500#64748b | 2.51:1 | AAAA lgAAA | AaAa |
| Slate 600#475569 | 4.00:1 | AAAA lgAAA | AaAa |
| Slate 700#334155 | 5.47:1 | AAAA lgAAA | AaAa |
| Slate 800#1e293b | 7.73:1 | AAAA lgAAA | AaAa |
| Slate 900#0f172a | 9.43:1 | AAAA lgAAA | AaAa |
| Black#000000 | 11.09:1 | 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. #bcb9da is pinned to step 300; 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 0.012 289.5);
--brand-100: oklch(0.94 0.019 289.5);
--brand-200: oklch(0.88 0.028 289.5);
--brand-300: oklch(0.80 0.036 289.5);
--brand-400: oklch(0.72 0.043 289.5);
--brand-500: oklch(0.64 0.046 289.5);
--brand-600: oklch(0.56 0.046 289.5);
--brand-700: oklch(0.48 0.044 289.5);
--brand-800: oklch(0.40 0.039 289.5);
--brand-900: oklch(0.32 0.032 289.5);
--brand-950: oklch(0.24 0.026 289.5);
}Colors that work with #bcb9da
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 #bcb9da
Derived from its contrast, chroma and lightness — not from taste.
- ✓Text and icons on dark surfaces
- ✓Charts, tags and secondary surfaces
- ✓Card and section backgrounds
- ✓Brand accents, badges and data highlights
- ⚠Text of any size on white — fails WCAG AA
- ⚠White 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.
The default of institutions for a reason: blue is read as stable and safe across nearly every culture that has been surveyed.
The muted chroma softens the association — it reads considered rather than loud, which suits long-form and data-heavy screens. The lightness keeps it airy and approachable.
It is also the most crowded hue on the web. Distinctiveness has to come from your other choices.
- FormalityMedium
- EnergyMedium
- Weight21/100
- TemperatureCool
- ApproachabilityReserved
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 | #D7DAB9 | Directly opposite — maximum tension | |
| Analogous left | #B9C6DA | Neighbour, quieter | |
| Analogous right | #CCB9DA | Neighbour, quieter | |
| Split-complement 1 | #DACCB9 | Contrast without the clash | |
| Split-complement 2 | #C6DAB9 | Contrast without the clash | |
| Triadic 1 | #DABCB9 | Even thirds — balanced and loud | |
| Triadic 2 | #B9DABC | Even thirds — balanced and loud | |
| Tetradic | #DAB9C6 | Fourth corner of the square scheme |
#bcb9da sits at 246°. Every dot is a harmony position and links to its own page in the table alongside.
RGB percentages
CMYK percentages
Total ink coverage is 43%. Most commercial presses cap around 300% — above that, sheets stop drying properly.
Color previews
#bcb9da text on a black background
contrast 11.09:1
#bcb9da text on a white background
contrast 1.89:1
#bcb9da on grey
1.73:1
#bcb9da on its own surface
1.74:1
#bcb9da on its dark surface
9.58:1
CSS3 live lab
The quick brown fox
color: #bcb9da;
background-color: #bcb9da;
Glowing headline
text-shadow: 2px 2px 8px #bcb9da;
Soft neon halo
text-shadow: 0 0 14px rgba(188, 185, 218, 0.45);
box-shadow: 0 12px 32px -8px rgba(188, 185, 218, 0.45);
border: 3px solid #bcb9da; background: linear-gradient(135deg, #bcb9da, #D2B9DA);
Gradient headline
background: linear-gradient(90deg, #bcb9da, #DAB9DA); -webkit-background-clip: text; color: transparent;
outline: 2px solid #bcb9da; outline-offset: 3px;
Marked up text
text-decoration-color: #bcb9da; caret-color: #bcb9da;
border-left: 4px solid #bcb9da;
background: #EFEEF6; box-shadow: inset 0 0 0 2px #bcb9da;
background: conic-gradient(#bcb9da 68%, #e2e8f0 0);
Transparency
What each alpha value actually composites to. The top row is #bcb9da 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(188, 185, 218, 0.5) rgb(188 185 218 / 50%) #bcb9da80 hsl(246 31% 79% / 50%) color-mix(in srgb, #bcb9da 50%, transparent)
| Alpha | 8-digit hex | Flat on white |
|---|---|---|
| 10% | #bcb9da1a | #F8F8FB |
| 20% | #bcb9da33 | #F2F1F8 |
| 40% | #bcb9da66 | #E4E3F0 |
| 60% | #bcb9da99 | #D7D5E9 |
| 80% | #bcb9dacc | #C9C7E1 |
Gradients from #bcb9da
Six recipes, each built from this hex and shown with the exact CSS that produced it.
background: linear-gradient(135deg, #E2E1EF, #bcb9da 45%, #302C53);
background: linear-gradient(120deg, #bcb9da, #C9A5CF);
background: linear-gradient(90deg, #bcb9da, #D7DAB9);
background: radial-gradient(120% 120% at 20% 0%, #F5F5FA 0%, #bcb9da 45%, #302C53 100%);
background: linear-gradient(180deg, #F5F5FA, #ffffff);
background: radial-gradient(60% 60% at 15% 20%, #DAE3EC 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #DDCDE5 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #302C53 0%, transparent 65%), #bcb9da;
Monochromatic scale
Palettes built from #bcb9da
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: Periwinkle (#ccccff) — ΔE2000 7 away, with its history, psychology and brand usage.
#bcb9da 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.
Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.
Usable as-is on a dark surface at 11.09:1.
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.
#bcb9da, answered
What color is #bcb9da?
#bcb9da is a light soft blue, closest to Thistle (ΔE2000 8.5). It sits at 246° on the hue wheel with 31% saturation and 79% lightness, which reads as cool.
What is the RGB value of #bcb9da?
rgb(188, 185, 218) — 188 red, 185 green and 218 blue out of 255, or 73.7% / 72.5% / 85.5% by channel.
What is #bcb9da in HSL and HSV?
hsl(246, 31%, 79%) and hsv(245, 15%, 85%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.
Is #bcb9da a light or a dark color?
It is a light color. Relative luminance is 0.5045 and perceived brightness is 74%, so black text on it reaches 11.09:1.
Should I use black or white text on #bcb9da?
Black. It scores 11.09:1 against #bcb9da, versus 1.89:1 for white — AAA at any size.
Is #bcb9da accessible on a white background?
#bcb9da on white scores 1.89:1, which fails WCAG AA at every size. Darken it to #736CB1 to reach 4.5:1, or #564F96 for 7:1.
What is the complementary color of #bcb9da?
#D7DAB9 sits directly opposite on the wheel. Softer options are the split-complements #DACCB9 and #C6DAB9, which give the same contrast with far less vibration.
What colors go well with #bcb9da?
For interface work: #F5F5FA as the surface, #CCCAE3 for borders, #564F96 for secondary text, #897E43 as an accent and #302C53 for hover and pressed states. For a palette, the analogous pair #B9C6DA and #CCB9DA stays calm, while #D7DAB9 is the loudest partner.
What is #bcb9da in CMYK for printing?
cmyk(14%, 15%, 0%, 15%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.
Is #bcb9da warm or cool?
Cool — it scores 77 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #C8B9DA; nudged cooler, #B8C2DB.
Which Tailwind color is closest to #bcb9da?
The slate family — its 500 step is #64748b, ΔE2000 25.5 away. That is a visible difference, so define #bcb9da as a custom token rather than reaching for the built-in.
How do I use #bcb9da in Tailwind CSS?
Inline it as an arbitrary value with bg-[#bcb9da] or text-[#bcb9da], 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 #bcb9da with 50% opacity?
rgba(188, 185, 218, 0.5), or #bcb9da80 in eight-digit hex. Over white that composites to #DEDCED; over black, #5E5D6D.
Is #bcb9da a web-safe color?
No. The nearest web-safe colour is #CCCCCC, ΔE2000 14.2 away. The palette only matters for legacy displays and some email clients now.
What does the color #bcb9da mean?
As a blue, it reads trusted, calm, competent. The default of institutions for a reason: blue is read as stable and safe across nearly every culture that has been surveyed. At this moderate chroma the association is present but not shouted.
What gradient works with #bcb9da?
The safest is same-hue elevation: linear-gradient(135deg, #E2E1EF, #bcb9da 45%, #302C53). For more colour, a short hue run to #C9A5CF keeps it rich without turning muddy.
Work with #bcb9da in the Color Lab
Every tool opens with this colour already loaded.
Every value on this page is computed from #bcb9da at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.