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#352cd3

a balanced, vivid blue · cool · closest name: Blue

RGB
53, 44, 211
HSL
243°, 66%, 50%
CMYK
75, 79, 0, 17
Luminance
0.0726

At a glance

Every number on this page in one read: what #352cd3 is made of, how bright it looks, and which way it leans.

Hex
#352cd3
Hue
243°
blue
Saturation
66%
vivid
Lightness
50%
balanced
Brightness
83%
HSV value
Perceived
33%
weighted brightness
Luminance
0.0726
WCAG relative
Temperature
Cool
82/100 cool
Color family
Blue
Tone
Vivid
Best ink
White
8.56:1
Closest name
Blue
ΔE2000 5.3
Where it sits
Hue243° of 360°
Saturation66%
Lightness50%
Temperature
Warm ← → Cool82% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#352cd3
RGBrgb(53, 44, 211)
HSLhsl(243, 66%, 50%)
CMYKcmyk(75%, 79%, 0%, 17%)
LABlab(32.4 56.2 -82.6)
LCHlch(32.4 99.9 304.3)
OKLCHoklch(0.442 0.239 273.0)
Decimal3484883
Display P3color(display-p3 0.208 0.173 0.827)

Copy-ready code

/* CSS */
color: #352cd3;
background-color: #352cd3;
/* Tailwind (arbitrary) */
class="text-[#352cd3] bg-[#352cd3]"
/* SCSS */
$brand: #352cd3;
/* SwiftUI */
Color(red: 0.208, green: 0.173, blue: 0.827)
/* Android */
Color.parseColor("#352cd3")
/* Flutter */
Color(0xFF352CD3)
/* Python / OpenCV (BGR) */
(211, 44, 53)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #352cd3 · 8.56:1
Use #ffffffAAA at every size.
Aa
White text · 8.56:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.45:1
AA fail · AA large fail · AAA fail
Reading the other direction: #352cd3 as text scores 8.56:1 on white and 2.45:1 on black.

Accessibility — WCAG contrast

Aa
#352cd3 on white: 8.56:1
AA ✓ pass · AA-large · AAA
Aa
#352cd3 on black: 2.45:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #0054D8
deuteranopia · #0044D0
tritanopia · #006080

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #352cd3 is pinned to step 600; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F4F3FB
#E9E8F8
#CDCBF1
#A6A2EC
#7A74E2
#4D45D8
#352cd3
#2A23A9
#221C87
#1C1862
#120F3D
Base = 600Lightest = 50 · #F4F3FBDarkest = 950 · #120F3D
:root {
  --brand-50: #F4F3FB;
  --brand-100: #E9E8F8;
  --brand-200: #CDCBF1;
  --brand-300: #A6A2EC;
  --brand-400: #7A74E2;
  --brand-500: #4D45D8;
  --brand-600: #352cd3;
  --brand-700: #2A23A9;
  --brand-800: #221C87;
  --brand-900: #1C1862;
  --brand-950: #120F3D;
  --brand: #352cd3;
  --brand-ink: #ffffff;
}

Colors that work with #352cd3

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F5F4FA
Tinted page background
Border#C2C0ED
Hairlines and dividers
Muted text#4F4B9B
Captions on the surface
Accent#AD911F
Second voice, not a rival
Dark variant#1A166A
Hover, pressed, headers
Light variant#EBEAFB
Selected rows, tints
Dark surface#151424
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #352cd3

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Pairing with a same-lightness hue — edges vibrate

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#CAD32C
Analogous left#2C77D3
Analogous right#882CD3
Split-complement 1#D3882C
Split-complement 2#77D32C
Triadic 1#D3352C
Triadic 2#2CD335
Tetradic#D32C77

RGB percentages

Red20.8%
Green17.3%
Blue82.7%

CMYK percentages

Cyan74.9%
Magenta79.1%
Yellow0.0%
Key (black)17.3%

Color previews

#352cd3 text on a black background

contrast 2.45:1

Card sample

#352cd3 text on a white background

contrast 8.56:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #352cd3;
Background color
Panel with #352cd3 background
background-color: #352cd3;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #352cd3;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(53, 44, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 44, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #352cd3;
background: linear-gradient(135deg, #352cd3, #A42CD3);

Monochromatic scale

Palettes built from #352cd3

Shades — darker

Tints — lighter

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.

#352cd3 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyFinanceHealthcareEnterprise SaaS
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

#352cd3, answered

What color is #352cd3?

#352cd3 is a balanced vivid blue, closest to Blue (ΔE2000 5.3). It sits at 243° on the hue wheel with 66% saturation and 50% lightness, which reads as cool.

What is the RGB value of #352cd3?

rgb(53, 44, 211) — 53 red, 44 green and 211 blue out of 255, or 20.8% / 17.3% / 82.7% by channel.

Is #352cd3 a light or a dark color?

It is a dark color. Relative luminance is 0.0726 and perceived brightness is 33%, so white text on it reaches 8.56:1.

Should I use black or white text on #352cd3?

White. It scores 8.56:1 against #352cd3, versus 2.45:1 for black — AAA at any size.

What is the complementary color of #352cd3?

#CAD32C sits directly opposite on the wheel. Softer options are the split-complements #D3882C and #77D32C, which give the same contrast with far less vibration.

What colors go well with #352cd3?

For interface work: #F5F4FA as the surface, #C2C0ED for borders, #4F4B9B for secondary text, #AD911F as an accent and #1A166A for hover and pressed states. For a palette, the analogous pair #2C77D3 and #882CD3 stays calm, while #CAD32C is the loudest partner.

What is #352cd3 in CMYK for printing?

cmyk(75%, 79%, 0%, 17%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #352cd3 warm or cool?

Cool — it scores 82 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #722CD3; nudged cooler, #2952D6.

Work with #352cd3 in the Color Lab