#4337DD#4337DD

#4337DD is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 47.4% C 0.238 H 275.5°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX#4337DD
RGBrgb(67, 55, 221)
HSLhsl(244, 71%, 54%)
HSVhsv(244, 75%, 87%)
CMYKcmyk(69.7%, 75.1%, 0%, 13.3%)
CIE-LABlab(36.26, 54.94, -81.91)
CIE-LCHlch(36.26, 98.63, 303.85°)
OKLaboklab(47.44% 0.023 -0.2368)
OKLCHoklch(47.44% 0.238 275.5)
XYZxyz(16.7278, 9.1445, 69.2761)
Luminance0.0915 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4337DD #D1DD37
analogous
#377EDD #4337DD #9637DD
triadic
#4337DD #DD4337 #37DD43
tetradic
#4337DD #DD377E #D1DD37 #37DD96
square
#4337DD #DD377E #D1DD37 #37DD96
split-complementary
#4337DD #DD9637 #7EDD37
monochromatic
#1E1683 #2A1FB8 #4337DD #746BE6 #A5A0EF

Accessibility & contrast

On white

7.42
#4337DD on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.83
#4337DD on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337DD
7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4337DD#FFFFFF#000000##FFFFFF
##4337DD1.007.422.837.42
#FFFFFF7.421.0021.001.00
#0000002.8321.001.0021.00
##FFFFFF7.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005CE2
Deuteranopia (green-blind)
#004EDA
Tritanopia (blue-blind)
#006888
Achromatopsia (no color)
#555555

Design tokens & code

CSS
--color: #4337dd;
/* rgb */ color: rgb(67, 55, 221);
/* oklch */ color: oklch(47.4% 0.238 275.5);
Tailwind
colors: {
  custom: {
    50: '#8d71e9',
    500: '#4337dd',
    950: '#000000',
  },
}
SCSS
$custom: #4337dd;
$custom-light: #8d71e9;
$custom-dark: #000000;
JSON
{
  "hex": "#4337dd",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 221
  },
  "hsl": {
    "h": 244.337,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.47437,
    "c": 0.23793,
    "h": 275.5
  },
  "luminance": 0.09146
}

Semantic roles & 50–950 ramp

primary
#4337DD
secondary
#D6DB95
accent
#EE3AE1
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #4337DD

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

Preview Lab → · Contrast checker → · Palette generator →

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