#3537C4#3537C4

#3537C4 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.212 H 272.9°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3537C4
RGB	rgb(53, 55, 196)
HSL	hsl(239, 57%, 49%)
HSV	hsv(239, 73%, 77%)
CMYK	cmyk(73%, 71.9%, 0%, 23.1%)
CIE-LAB	lab(32.86, 45.64, -73.06)
CIE-LCH	lch(32.86, 86.15, 301.99°)
OKLab	oklab(44.04% 0.0108 -0.2114)
OKLCH	oklch(44.04% 0.212 272.9)
XYZ	xyz(12.7949, 7.4735, 52.9821)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.65

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3537C4 #C4C235

analogous

#357FC4 #3537C4 #7B35C4

triadic

#3537C4 #C43537 #37C435

tetradic

#3537C4 #C4357F #C4C235 #35C47B

square

#3537C4 #C4357F #C4C235 #35C47B

split-complementary

#3537C4 #C47B35 #7FC435

monochromatic

#1B1C64 #282994 #3537C4 #6263D4 #9293E1

Accessibility & contrast

On white

8.42

#3537C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3537C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3537C4

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3537C4	#FFFFFF	#000000	##FFFFFF
##3537C4	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C8

Deuteranopia (green-blind)

#0046C1

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3537c4;
/* rgb */ color: rgb(53, 55, 196);
/* oklch */ color: oklch(44.0% 0.212 272.9);

Tailwind

colors: {
  custom: {
    50: '#826fd7',
    500: '#3537c4',
    950: '#000000',
  },
}

SCSS

$custom: #3537c4;
$custom-light: #826fd7;
$custom-dark: #000000;

JSON

{
  "hex": "#3537c4",
  "rgb": {
    "r": 53,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 239.161,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44044,
    "c": 0.21165,
    "h": 272.9
  },
  "luminance": 0.07475
}

Semantic roles & 50–950 ramp

primary

#3537C4

secondary

#CCCB88

accent

#DF47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3537C4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →