#4337CB#4337CB

#4337CB is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.6% C 0.217 H 277.1°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX#4337CB
RGBrgb(67, 55, 203)
HSLhsl(245, 59%, 51%)
HSVhsv(245, 73%, 80%)
CMYKcmyk(67%, 72.9%, 0%, 20.4%)
CIE-LABlab(34.47, 49.36, -74.47)
CIE-LCHlch(34.47, 89.34, 303.54°)
OKLaboklab(45.64% 0.0266 -0.2151)
OKLCHoklch(45.64% 0.217 277.1)
XYZxyz(14.4569, 8.2362, 57.3162)
Luminance0.0824 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4337CB #BFCB37
analogous
#3775CB #4337CB #8D37CB
triadic
#4337CB #CB4337 #37CB43
tetradic
#4337CB #CB3775 #BFCB37 #37CB8D
square
#4337CB #CB3775 #BFCB37 #37CB8D
split-complementary
#4337CB #CB8D37 #75CB37
monochromatic
#221C6C #32299C #4337CB #7168D8 #9E98E4

Accessibility & contrast

On white

7.93
#4337CB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#4337CB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337CB
7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4337CB#FFFFFF#000000##FFFFFF
##4337CB1.007.932.657.93
#FFFFFF7.931.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.931.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0057CF
Deuteranopia (green-blind)
#004BC8
Tritanopia (blue-blind)
#00617E
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #4337cb;
/* rgb */ color: rgb(67, 55, 203);
/* oklch */ color: oklch(45.6% 0.217 277.1);
Tailwind
colors: {
  custom: {
    50: '#8970dc',
    500: '#4337cb',
    950: '#000000',
  },
}
SCSS
$custom: #4337cb;
$custom-light: #8970dc;
$custom-dark: #000000;
JSON
{
  "hex": "#4337cb",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 203
  },
  "hsl": {
    "h": 244.865,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.45636,
    "c": 0.21678,
    "h": 277.1
  },
  "luminance": 0.08237
}

Semantic roles & 50–950 ramp

primary
#4337CB
secondary
#CAD08E
accent
#E246D5
background
#F9F6FD
surface
#F1ECFB
border
#CBC7D4
text
#0D0815
muted
#7E7B83

Preview Lab

Preview with #4337CB

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

Preview Lab → · Contrast checker → · Palette generator →

#4337CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva