#263B6B#263B6B

#263B6B is a dark, moderate blue. Relative luminance 0.046; OKLCH L 36.1% C 0.087 H 264.6°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX#263B6B
RGBrgb(38, 59, 107)
HSLhsl(222, 48%, 28%)
HSVhsv(222, 64%, 42%)
CMYKcmyk(64.5%, 44.9%, 0%, 58%)
CIE-LABlab(25.57, 8.38, -30.54)
CIE-LCHlch(25.57, 31.67, 285.35°)
OKLaboklab(36.12% -0.0082 -0.087)
OKLCHoklch(36.12% 0.087 264.6)
XYZxyz(5.0162, 4.6011, 14.5308)
Luminance0.0460 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263B6B #6B5626
analogous
#265D6B #263B6B #33266B
triadic
#263B6B #6B263B #3B6B26
tetradic
#263B6B #6B265D #6B5626 #266B33
square
#263B6B #6B265D #6B5626 #266B33
split-complementary
#263B6B #6B3326 #5D6B26
monochromatic
#080C17 #16223E #263B6B #365498 #4C6FBF

Accessibility & contrast

On white

10.94
#263B6B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#263B6B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263B6B
10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263B6B#FFFFFF#000000##FFFFFF
##263B6B1.0010.941.9210.94
#FFFFFF10.941.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.941.0021.001.00

Color blindness preview

Protanopia (red-blind)
#25406D
Deuteranopia (green-blind)
#1B3A6A
Tritanopia (blue-blind)
#00464D
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #263b6b;
/* rgb */ color: rgb(38, 59, 107);
/* oklch */ color: oklch(36.1% 0.087 264.6);
Tailwind
colors: {
  custom: {
    50: '#677096',
    500: '#263b6b',
    950: '#000000',
  },
}
SCSS
$custom: #263b6b;
$custom-light: #677096;
$custom-dark: #000000;
JSON
{
  "hex": "#263b6b",
  "rgb": {
    "r": 38,
    "g": 59,
    "b": 107
  },
  "hsl": {
    "h": 221.739,
    "s": 47.586,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36117,
    "c": 0.08736,
    "h": 264.6
  },
  "luminance": 0.04602
}

Semantic roles & 50–950 ramp

primary
#263B6B
secondary
#9E864F
accent
#AE51D7
background
#F6F6F9
surface
#EBECF2
border
#C6C7CC
text
#06070D
muted
#7A7A7E

Preview Lab

Preview with #263B6B

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

Preview Lab → · Contrast checker → · Palette generator →

#263B6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva