#233F56#233F56

#233F56 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.053 H 244.8°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX#233F56
RGBrgb(35, 63, 86)
HSLhsl(207, 42%, 24%)
HSVhsv(207, 59%, 34%)
CMYKcmyk(59.3%, 26.7%, 0%, 66.3%)
CIE-LABlab(25.51, -2.88, -17.03)
CIE-LCHlch(25.51, 17.27, 260.40°)
OKLaboklab(35.65% -0.0224 -0.0477)
OKLCHoklch(35.65% 0.053 244.8)
XYZxyz(4.1498, 4.5839, 9.4684)
Luminance0.0458 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#233F56 #563A23
analogous
#235653 #233F56 #232556
triadic
#233F56 #56233F #3F5623
tetradic
#233F56 #532356 #563A23 #255623
square
#233F56 #532356 #563A23 #255623
split-complementary
#233F56 #562325 #565323
monochromatic
#091016 #111F2B #233F56 #355F81 #467FAD

Accessibility & contrast

On white

10.96
#233F56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#233F56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #233F56
10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##233F56#FFFFFF#000000##FFFFFF
##233F561.0010.961.9210.96
#FFFFFF10.961.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#353F57
Deuteranopia (green-blind)
#2E3A56
Tritanopia (blue-blind)
#024547
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #233f56;
/* rgb */ color: rgb(35, 63, 86);
/* oklch */ color: oklch(35.6% 0.053 244.8);
Tailwind
colors: {
  custom: {
    50: '#627385',
    500: '#233f56',
    950: '#000000',
  },
}
SCSS
$custom: #233f56;
$custom-light: #627385;
$custom-dark: #000000;
JSON
{
  "hex": "#233f56",
  "rgb": {
    "r": 35,
    "g": 63,
    "b": 86
  },
  "hsl": {
    "h": 207.059,
    "s": 42.149,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35647,
    "c": 0.05267,
    "h": 244.8
  },
  "luminance": 0.04584
}

Semantic roles & 50–950 ramp

primary
#233F56
secondary
#8A674B
accent
#8E56D2
background
#F6F7F8
surface
#EBEDEF
border
#C6C8CA
text
#05080B
muted
#7A7B7C

Preview Lab

Preview with #233F56

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

Preview Lab → · Contrast checker → · Palette generator →

#233F56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva