#263F4D#263F4D

#263F4D is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.039 H 234.0°. Best body text is #FFFFFF at 11.05:1 contrast (WCAG AA passes).

Color values

HEX#263F4D
RGBrgb(38, 63, 77)
HSLhsl(202, 34%, 23%)
HSVhsv(202, 51%, 30%)
CMYKcmyk(50.6%, 18.2%, 0%, 69.8%)
CIE-LABlab(25.27, -5.19, -11.49)
CIE-LCHlch(25.27, 12.61, 245.70°)
OKLaboklab(35.36% -0.0231 -0.0318)
OKLCHoklch(35.36% 0.039 234)
XYZxyz(3.9159, 4.5026, 7.6825)
Luminance0.0450 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263F4D #4D3426
analogous
#264D47 #263F4D #262C4D
triadic
#263F4D #4D263F #3F4D26
tetradic
#263F4D #47264D #4D3426 #2C4D26
square
#263F4D #47264D #4D3426 #2C4D26
split-complementary
#263F4D #4D262C #4D4726
monochromatic
#0A1114 #121D24 #263F4D #3A6176 #4E829F

Accessibility & contrast

On white

11.05
#263F4D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#263F4D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F4D
11.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263F4D#FFFFFF#000000##FFFFFF
##263F4D1.0011.051.9011.05
#FFFFFF11.051.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.051.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383E4E
Deuteranopia (green-blind)
#333A4D
Tritanopia (blue-blind)
#154344
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #263f4d;
/* rgb */ color: rgb(38, 63, 77);
/* oklch */ color: oklch(35.4% 0.039 234.0);
Tailwind
colors: {
  custom: {
    50: '#63747e',
    500: '#263f4d',
    950: '#000000',
  },
}
SCSS
$custom: #263f4d;
$custom-light: #63747e;
$custom-dark: #000000;
JSON
{
  "hex": "#263f4d",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 77
  },
  "hsl": {
    "h": 201.538,
    "s": 33.913,
    "l": 22.549
  },
  "oklch": {
    "l": 0.3536,
    "c": 0.03935,
    "h": 234
  },
  "luminance": 0.04503
}

Semantic roles & 50–950 ramp

primary
#263F4D
secondary
#80604F
accent
#855ECA
background
#F6F7F7
surface
#EBEDEE
border
#C6C8C9
text
#05080A
muted
#7A7B7C

Preview Lab

Preview with #263F4D

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

Preview Lab → · Contrast checker → · Palette generator →

#263F4D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva