#234E81#234E81

#234E81 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.0% C 0.098 H 254.3°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#234E81
RGBrgb(35, 78, 129)
HSLhsl(213, 57%, 32%)
HSVhsv(213, 73%, 51%)
CMYKcmyk(72.9%, 39.5%, 0%, 49.4%)
CIE-LABlab(32.68, 3.47, -33.08)
CIE-LCHlch(32.68, 33.26, 275.99°)
OKLaboklab(42.03% -0.0264 -0.0942)
OKLCHoklch(42.03% 0.098 254.3)
XYZxyz(7.3785, 7.3903, 21.8022)
Luminance0.0739 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#234E81 #815623
analogous
#237D81 #234E81 #272381
triadic
#234E81 #81234E #4E8123
tetradic
#234E81 #81237D #815623 #238127
square
#234E81 #81237D #815623 #238127
split-complementary
#234E81 #812723 #7D8123
monochromatic
#091421 #163151 #234E81 #306BB1 #4F8ACF

Accessibility & contrast

On white

8.47
#234E81 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.48
#234E81 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #234E81
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##234E81#FFFFFF#000000##FFFFFF
##234E811.008.472.488.47
#FFFFFF8.471.0021.001.00
#0000002.4821.001.0021.00
##FFFFFF8.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#375283
Deuteranopia (green-blind)
#294980
Tritanopia (blue-blind)
#005A61
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #234e81;
/* rgb */ color: rgb(35, 78, 129);
/* oklch */ color: oklch(42.0% 0.098 254.3);
Tailwind
colors: {
  custom: {
    50: '#6a7fa6',
    500: '#234e81',
    950: '#000000',
  },
}
SCSS
$custom: #234e81;
$custom-light: #6a7fa6;
$custom-dark: #000000;
JSON
{
  "hex": "#234e81",
  "rgb": {
    "r": 35,
    "g": 78,
    "b": 129
  },
  "hsl": {
    "h": 212.553,
    "s": 57.317,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42028,
    "c": 0.09782,
    "h": 254.3
  },
  "luminance": 0.07391
}

Semantic roles & 50–950 ramp

primary
#234E81
secondary
#B3844D
accent
#9A47E1
background
#F6F7FA
surface
#ECEEF4
border
#C7C9CE
text
#070A0F
muted
#7A7C7F

Preview Lab

Preview with #234E81

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

Preview Lab → · Contrast checker → · Palette generator →

#234E81 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva