#233A4D#233A4D

#233A4D is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.044 H 244.6°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX#233A4D
RGBrgb(35, 58, 77)
HSLhsl(207, 38%, 22%)
HSVhsv(207, 55%, 30%)
CMYKcmyk(54.5%, 24.7%, 0%, 69.8%)
CIE-LABlab(23.40, -2.77, -14.37)
CIE-LCHlch(23.40, 14.64, 259.07°)
OKLaboklab(33.84% -0.0191 -0.0401)
OKLCHoklch(33.84% 0.044 244.6)
XYZxyz(3.5453, 3.9190, 7.5894)
Luminance0.0392 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233A4D #4D3623
analogous
#234D4B #233A4D #23254D
triadic
#233A4D #4D233A #3A4D23
tetradic
#233A4D #4B234D #4D3623 #254D23
square
#233A4D #4B234D #4D3623 #254D23
split-complementary
#233A4D #4D2325 #4D4B23
monochromatic
#0A1015 #101A23 #233A4D #365A77 #4979A1

Accessibility & contrast

On white

11.77
#233A4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#233A4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233A4D
11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233A4D#FFFFFF#000000##FFFFFF
##233A4D1.0011.771.7811.77
#FFFFFF11.771.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#323A4E
Deuteranopia (green-blind)
#2C364D
Tritanopia (blue-blind)
#0F3F40
Achromatopsia (no color)
#383838

Design tokens & code

CSS
--color: #233a4d;
/* rgb */ color: rgb(35, 58, 77);
/* oklch */ color: oklch(33.8% 0.044 244.6);
Tailwind
colors: {
  custom: {
    50: '#61707f',
    500: '#233a4d',
    950: '#000000',
  },
}
SCSS
$custom: #233a4d;
$custom-light: #61707f;
$custom-dark: #000000;
JSON
{
  "hex": "#233a4d",
  "rgb": {
    "r": 35,
    "g": 58,
    "b": 77
  },
  "hsl": {
    "h": 207.143,
    "s": 37.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33837,
    "c": 0.04437,
    "h": 244.6
  },
  "luminance": 0.03919
}

Semantic roles & 50–950 ramp

primary
#233A4D
secondary
#81634B
accent
#8E5ACD
background
#F5F6F7
surface
#EAECEE
border
#C6C7C9
text
#05070A
muted
#797A7C

Preview Lab

Preview with #233A4D

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

Preview Lab → · Contrast checker → · Palette generator →

#233A4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva