#4A37CB#4A37CB

#4A37CB is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.1% C 0.215 H 279.6°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX#4A37CB
RGBrgb(74, 55, 203)
HSLhsl(248, 59%, 51%)
HSVhsv(248, 73%, 80%)
CMYKcmyk(63.5%, 72.9%, 0%, 20.4%)
CIE-LABlab(35.00, 50.17, -73.58)
CIE-LCHlch(35.00, 89.05, 304.29°)
OKLaboklab(46.15% 0.0359 -0.2123)
OKLCHoklch(46.15% 0.215 279.6)
XYZxyz(14.9663, 8.4988, 57.3401)
Luminance0.0850 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4A37CB #B8CB37
analogous
#376ECB #4A37CB #9437CB
triadic
#4A37CB #CB4A37 #37CB4A
tetradic
#4A37CB #CB376E #B8CB37 #37CB94
square
#4A37CB #CB376E #B8CB37 #37CB94
split-complementary
#4A37CB #CB9437 #6ECB37
monochromatic
#261C6C #37299C #4A37CB #7668D8 #A298E4

Accessibility & contrast

On white

7.78
#4A37CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#4A37CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4A37CB
7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4A37CB#FFFFFF#000000##FFFFFF
##4A37CB1.007.782.707.78
#FFFFFF7.781.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058CF
Deuteranopia (green-blind)
#004CC8
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4a37cb;
/* rgb */ color: rgb(74, 55, 203);
/* oklch */ color: oklch(46.1% 0.215 279.6);
Tailwind
colors: {
  custom: {
    50: '#8c70dc',
    500: '#4a37cb',
    950: '#000000',
  },
}
SCSS
$custom: #4a37cb;
$custom-light: #8c70dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4a37cb",
  "rgb": {
    "r": 74,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 247.703,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.46148,
    "c": 0.21535,
    "h": 279.6
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary
#4A37CB
secondary
#C7D08E
accent
#E246CE
background
#F9F6FD
surface
#F2ECFB
border
#CCC7D4
text
#0E0815
muted
#7E7B83

Preview Lab

Preview with #4A37CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4A37CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva