#233D4E#233D4E

#233D4E is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.044 H 238.5°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX#233D4E
RGBrgb(35, 61, 78)
HSLhsl(204, 38%, 22%)
HSVhsv(204, 55%, 31%)
CMYKcmyk(55.1%, 21.8%, 0%, 69.4%)
CIE-LABlab(24.46, -4.40, -13.40)
CIE-LCHlch(24.46, 14.10, 251.81°)
OKLaboklab(34.69% -0.0229 -0.0373)
OKLCHoklch(34.69% 0.044 238.5)
XYZxyz(3.7365, 4.2446, 7.8286)
Luminance0.0425 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233D4E #4E3423
analogous
#234E4A #233D4E #23284E
triadic
#233D4E #4E233D #3D4E23
tetradic
#233D4E #4A234E #4E3423 #284E23
square
#233D4E #4A234E #4E3423 #284E23
split-complementary
#233D4E #4E2328 #4E4A23
monochromatic
#091115 #101C24 #233D4E #365E78 #497FA2

Accessibility & contrast

On white

11.36
#233D4E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#233D4E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233D4E
11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233D4E#FFFFFF#000000##FFFFFF
##233D4E1.0011.361.8511.36
#FFFFFF11.361.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.361.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353D4F
Deuteranopia (green-blind)
#2F384E
Tritanopia (blue-blind)
#0D4143
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #233d4e;
/* rgb */ color: rgb(35, 61, 78);
/* oklch */ color: oklch(34.7% 0.044 238.5);
Tailwind
colors: {
  custom: {
    50: '#61727f',
    500: '#233d4e',
    950: '#000000',
  },
}
SCSS
$custom: #233d4e;
$custom-light: #61727f;
$custom-dark: #000000;
JSON
{
  "hex": "#233d4e",
  "rgb": {
    "r": 35,
    "g": 61,
    "b": 78
  },
  "hsl": {
    "h": 203.721,
    "s": 38.053,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34692,
    "c": 0.04374,
    "h": 238.5
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary
#233D4E
secondary
#82614B
accent
#885ACE
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05080A
muted
#797B7C

Preview Lab

Preview with #233D4E

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

Preview Lab → · Contrast checker → · Palette generator →

#233D4E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva