#263D5C#263D5C

#263D5C is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.6% C 0.062 H 256.2°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX#263D5C
RGBrgb(38, 61, 92)
HSLhsl(214, 42%, 25%)
HSVhsv(214, 59%, 36%)
CMYKcmyk(58.7%, 33.7%, 0%, 63.9%)
CIE-LABlab(25.33, 1.39, -21.22)
CIE-LCHlch(25.33, 21.27, 273.74°)
OKLaboklab(35.64% -0.0147 -0.0598)
OKLCHoklch(35.64% 0.062 256.2)
XYZxyz(4.3992, 4.5219, 10.7641)
Luminance0.0452 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#263D5C #5C4526
analogous
#26585C #263D5C #2A265C
triadic
#263D5C #5C263D #3D5C26
tetradic
#263D5C #5C2658 #5C4526 #265C2A
square
#263D5C #5C2658 #5C4526 #265C2A
split-complementary
#263D5C #5C2A26 #585C26
monochromatic
#090E16 #142031 #263D5C #385A87 #4A76B3

Accessibility & contrast

On white

11.03
#263D5C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.90
#263D5C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #263D5C
11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##263D5C#FFFFFF#000000##FFFFFF
##263D5C1.0011.031.9011.03
#FFFFFF11.031.0021.001.00
#0000001.9021.001.0021.00
##FFFFFF11.031.0021.001.00

Color blindness preview

Protanopia (red-blind)
#313F5D
Deuteranopia (green-blind)
#2A3A5B
Tritanopia (blue-blind)
#054448
Achromatopsia (no color)
#3C3C3C

Design tokens & code

CSS
--color: #263d5c;
/* rgb */ color: rgb(38, 61, 92);
/* oklch */ color: oklch(35.6% 0.062 256.2);
Tailwind
colors: {
  custom: {
    50: '#65728a',
    500: '#263d5c',
    950: '#000000',
  },
}
SCSS
$custom: #263d5c;
$custom-light: #65728a;
$custom-dark: #000000;
JSON
{
  "hex": "#263d5c",
  "rgb": {
    "r": 38,
    "g": 61,
    "b": 92
  },
  "hsl": {
    "h": 214.444,
    "s": 41.538,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35645,
    "c": 0.06154,
    "h": 256.2
  },
  "luminance": 0.04522
}

Semantic roles & 50–950 ramp

primary
#263D5C
secondary
#8F744F
accent
#9D56D1
background
#F6F6F8
surface
#EBECF0
border
#C6C7CB
text
#06070B
muted
#7A7A7C

Preview Lab

Preview with #263D5C

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

Preview Lab → · Contrast checker → · Palette generator →

#263D5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva