#4237C2#4237C2

#4237C2 is a dark, highly saturated blue. Relative luminance 0.078; OKLCH L 44.7% C 0.206 H 277.5°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#4237C2
RGB	rgb(66, 55, 194)
HSL	hsl(245, 56%, 49%)
HSV	hsv(245, 72%, 76%)
CMYK	cmyk(66%, 71.6%, 0%, 23.9%)
CIE-LAB	lab(33.53, 46.40, -70.76)
CIE-LCH	lch(33.53, 84.62, 303.25°)
OKLab	oklab(44.69% 0.0271 -0.2043)
OKLCH	oklch(44.69% 0.206 277.5)
XYZ	xyz(13.3474, 7.7845, 51.8277)
Luminance	0.0779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4237C2 #B7C237

analogous

#3772C2 #4237C2 #8837C2

triadic

#4237C2 #C24237 #37C242

tetradic

#4237C2 #C23772 #B7C237 #37C288

square

#4237C2 #C23772 #B7C237 #37C288

split-complementary

#4237C2 #C28837 #72C237

monochromatic

#221C63 #322992 #4237C2 #6C63D3 #9993E0

Accessibility & contrast

On white

8.21

#4237C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#4237C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4237C2

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4237C2	#FFFFFF	#000000	##FFFFFF
##4237C2	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C6

Deuteranopia (green-blind)

#0049BF

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4237c2;
/* rgb */ color: rgb(66, 55, 194);
/* oklch */ color: oklch(44.7% 0.206 277.5);

Tailwind

colors: {
  custom: {
    50: '#8770d6',
    500: '#4237c2',
    950: '#000000',
  },
}

SCSS

$custom: #4237c2;
$custom-light: #8770d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4237c2",
  "rgb": {
    "r": 66,
    "g": 55,
    "b": 194
  },
  "hsl": {
    "h": 244.748,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44688,
    "c": 0.20612,
    "h": 277.5
  },
  "luminance": 0.07786
}

Semantic roles & 50–950 ramp

primary

#4237C2

secondary

#C6CB89

accent

#DF49D3

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4237C2

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

Preview Lab → · Contrast checker → · Palette generator →