#4231DB#4231DB

#4231DB is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.4% C 0.241 H 275.9°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#4231DB
RGBrgb(66, 49, 219)
HSLhsl(246, 70%, 53%)
HSVhsv(246, 78%, 86%)
CMYKcmyk(69.9%, 77.6%, 0%, 14.1%)
CIE-LABlab(34.94, 57.24, -82.95)
CIE-LCHlch(34.94, 100.79, 304.61°)
OKLaboklab(46.43% 0.0249 -0.2398)
OKLCHoklch(46.43% 0.241 275.9)
XYZxyz(16.1271, 8.4678, 67.7887)
Luminance0.0847 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4231DB #CADB31
analogous
#3175DB #4231DB #9731DB
triadic
#4231DB #DB4231 #31DB42
tetradic
#4231DB #DB3175 #CADB31 #31DB97
square
#4231DB #DB3175 #CADB31 #31DB97
split-complementary
#4231DB #DB9731 #75DB31
monochromatic
#20167C #2D1FB0 #4231DB #7265E4 #A299ED

Accessibility & contrast

On white

7.80
#4231DB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#4231DB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4231DB
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4231DB#FFFFFF#000000##FFFFFF
##4231DB1.007.802.697.80
#FFFFFF7.801.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0059E0
Deuteranopia (green-blind)
#004BD8
Tritanopia (blue-blind)
#006586
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #4231db;
/* rgb */ color: rgb(66, 49, 219);
/* oklch */ color: oklch(46.4% 0.241 275.9);
Tailwind
colors: {
  custom: {
    50: '#8c6de8',
    500: '#4231db',
    950: '#000000',
  },
}
SCSS
$custom: #4231db;
$custom-light: #8c6de8;
$custom-dark: #000000;
JSON
{
  "hex": "#4231db",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 219
  },
  "hsl": {
    "h": 246,
    "s": 70.248,
    "l": 52.549
  },
  "oklch": {
    "l": 0.46431,
    "c": 0.2411,
    "h": 275.9
  },
  "luminance": 0.08469
}

Semantic roles & 50–950 ramp

primary
#4231DB
secondary
#D1D98F
accent
#ED3BDB
background
#F9F6FE
surface
#F2ECFD
border
#CCC7D5
text
#0E0716
muted
#7E7A84

Preview Lab

Preview with #4231DB

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

Preview Lab → · Contrast checker → · Palette generator →

#4231DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva