#263D66#263D66

#263D66 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.077 H 261.2°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX#263D66
RGBrgb(38, 61, 102)
HSLhsl(218, 46%, 27%)
HSVhsv(218, 63%, 40%)
CMYKcmyk(62.7%, 40.2%, 0%, 60%)
CIE-LABlab(25.89, 5.10, -26.82)
CIE-LCHlch(25.89, 27.30, 280.77°)
OKLaboklab(36.27% -0.0118 -0.0761)
OKLCHoklch(36.27% 0.077 261.2)
XYZxyz(4.8655, 4.7085, 13.2202)
Luminance0.0471 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263D66 #664F26
analogous
#265D66 #263D66 #2F2666
triadic
#263D66 #66263D #3D6626
tetradic
#263D66 #66265D #664F26 #26662F
square
#263D66 #66265D #664F26 #26662F
split-complementary
#263D66 #662F26 #5D6626
monochromatic
#080D16 #152239 #263D66 #375893 #4B73BC

Accessibility & contrast

On white

10.81
#263D66 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.94
#263D66 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D66
10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263D66#FFFFFF#000000##FFFFFF
##263D661.0010.811.9410.81
#FFFFFF10.811.0021.001.00
#0000001.9421.001.0021.00
##FFFFFF10.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2C4168
Deuteranopia (green-blind)
#233B65
Tritanopia (blue-blind)
#00464C
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #263d66;
/* rgb */ color: rgb(38, 61, 102);
/* oklch */ color: oklch(36.3% 0.077 261.2);
Tailwind
colors: {
  custom: {
    50: '#677292',
    500: '#263d66',
    950: '#000000',
  },
}
SCSS
$custom: #263d66;
$custom-light: #677292;
$custom-dark: #000000;
JSON
{
  "hex": "#263d66",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 102
  },
  "hsl": {
    "h": 218.438,
    "s": 45.714,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36265,
    "c": 0.07696,
    "h": 261.2
  },
  "luminance": 0.04709
}

Semantic roles & 50–950 ramp

primary
#263D66
secondary
#997E4F
accent
#A652D5
background
#F6F6F9
surface
#EBECF1
border
#C6C7CB
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #263D66

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

Preview Lab → · Contrast checker → · Palette generator →

#263D66 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva