#10255E#10255E

#10255E is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.7% C 0.105 H 265.0°. Best body text is #FFFFFF at 14.50:1 contrast (WCAG AA passes).

Color values

HEX#10255E
RGBrgb(16, 37, 94)
HSLhsl(224, 71%, 22%)
HSVhsv(224, 83%, 37%)
CMYKcmyk(83%, 60.6%, 0%, 63.1%)
CIE-LABlab(16.70, 15.18, -36.38)
CIE-LCHlch(16.70, 39.42, 292.64°)
OKLaboklab(28.75% -0.0092 -0.105)
OKLCHoklch(28.75% 0.105 265)
XYZxyz(2.8949, 2.2411, 10.8675)
Luminance0.0224 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#10255E #5E4910
analogous
#104C5E #10255E #22105E
triadic
#10255E #5E1025 #255E10
tetradic
#10255E #5E104C #5E4910 #105E22
square
#10255E #5E104C #5E4910 #105E22
split-complementary
#10255E #5E2210 #4C5E10
monochromatic
#040A1A #07102A #10255E #193A92 #224EC7

Accessibility & contrast

On white

14.50
#10255E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.45
#10255E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10255E
14.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##10255E#FFFFFF#000000##FFFFFF
##10255E1.0014.501.4514.50
#FFFFFF14.501.0021.001.00
#0000001.4521.001.0021.00
##FFFFFF14.501.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002D60
Deuteranopia (green-blind)
#00265D
Tritanopia (blue-blind)
#00333D
Achromatopsia (no color)
#292929

Design tokens & code

CSS
--color: #10255e;
/* rgb */ color: rgb(16, 37, 94);
/* oklch */ color: oklch(28.7% 0.105 265.0);
Tailwind
colors: {
  custom: {
    50: '#5c5f8c',
    500: '#10255e',
    950: '#000000',
  },
}
SCSS
$custom: #10255e;
$custom-light: #5c5f8c;
$custom-dark: #000000;
JSON
{
  "hex": "#10255e",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 94
  },
  "hsl": {
    "h": 223.846,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.28748,
    "c": 0.10541,
    "h": 265
  },
  "luminance": 0.02241
}

Semantic roles & 50–950 ramp

primary
#10255E
secondary
#977C33
accent
#BD3AEE
background
#F5F5F8
surface
#E9E9F0
border
#C5C5CB
text
#05040C
muted
#79797D

Preview Lab

Preview with #10255E

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

Preview Lab → · Contrast checker → · Palette generator →

#10255E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva