#263F56#263F56

#263F56 is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.051 H 247.4°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX#263F56
RGBrgb(38, 63, 86)
HSLhsl(209, 39%, 24%)
HSVhsv(209, 56%, 34%)
CMYKcmyk(55.8%, 26.7%, 0%, 66.3%)
CIE-LABlab(25.68, -2.10, -16.76)
CIE-LCHlch(25.68, 16.89, 262.86°)
OKLaboklab(35.82% -0.0195 -0.0469)
OKLCHoklch(35.82% 0.051 247.4)
XYZxyz(4.2560, 4.6386, 9.4734)
Luminance0.0464 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263F56 #563D26
analogous
#265655 #263F56 #262756
triadic
#263F56 #56263F #3F5626
tetradic
#263F56 #552656 #563D26 #275626
square
#263F56 #552656 #563D26 #275626
split-complementary
#263F56 #562627 #565526
monochromatic
#091015 #13202C #263F56 #395E80 #4C7DAB

Accessibility & contrast

On white

10.89
#263F56 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.93
#263F56 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263F56
10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263F56#FFFFFF#000000##FFFFFF
##263F561.0010.891.9310.89
#FFFFFF10.891.0021.001.00
#0000001.9321.001.0021.00
##FFFFFF10.891.0021.001.00

Color blindness preview

Protanopia (red-blind)
#354057
Deuteranopia (green-blind)
#2F3B56
Tritanopia (blue-blind)
#0D4447
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #263f56;
/* rgb */ color: rgb(38, 63, 86);
/* oklch */ color: oklch(35.8% 0.051 247.4);
Tailwind
colors: {
  custom: {
    50: '#647385',
    500: '#263f56',
    950: '#000000',
  },
}
SCSS
$custom: #263f56;
$custom-light: #647385;
$custom-dark: #000000;
JSON
{
  "hex": "#263f56",
  "rgb": {
    "r": 38,
    "g": 63,
    "b": 86
  },
  "hsl": {
    "h": 208.75,
    "s": 38.71,
    "l": 24.314
  },
  "oklch": {
    "l": 0.35822,
    "c": 0.05075,
    "h": 247.4
  },
  "luminance": 0.04639
}

Semantic roles & 50–950 ramp

primary
#263F56
secondary
#896B4F
accent
#9159CF
background
#F6F7F8
surface
#EBEDEF
border
#C6C8CA
text
#06080B
muted
#7A7B7C

Preview Lab

Preview with #263F56

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

Preview Lab → · Contrast checker → · Palette generator →

#263F56 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva