#102559#102559

#102559 is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.3% C 0.098 H 264.4°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX#102559
RGBrgb(16, 37, 89)
HSLhsl(223, 70%, 21%)
HSVhsv(223, 82%, 35%)
CMYKcmyk(82%, 58.4%, 0%, 65.1%)
CIE-LABlab(16.28, 13.02, -33.75)
CIE-LCHlch(16.28, 36.17, 291.09°)
OKLaboklab(28.29% -0.0096 -0.0973)
OKLCHoklch(28.29% 0.098 264.4)
XYZxyz(2.6778, 2.1543, 9.7239)
Luminance0.0215 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#102559 #594410
analogous
#104959 #102559 #1F1059
triadic
#102559 #591025 #255910
tetradic
#102559 #591049 #594410 #10591F
square
#102559 #591049 #594410 #10591F
split-complementary
#102559 #591F10 #495910
monochromatic
#050B1A #070F25 #102559 #193B8D #2350C1

Accessibility & contrast

On white

14.68
#102559 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.43
#102559 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #102559
14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##102559#FFFFFF#000000##FFFFFF
##1025591.0014.681.4314.68
#FFFFFF14.681.0021.001.00
#0000001.4321.001.0021.00
##FFFFFF14.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#002C5B
Deuteranopia (green-blind)
#002558
Tritanopia (blue-blind)
#00323B
Achromatopsia (no color)
#282828

Design tokens & code

CSS
--color: #102559;
/* rgb */ color: rgb(16, 37, 89);
/* oklch */ color: oklch(28.3% 0.098 264.4);
Tailwind
colors: {
  custom: {
    50: '#5b5f88',
    500: '#102559',
    950: '#000000',
  },
}
SCSS
$custom: #102559;
$custom-light: #5b5f88;
$custom-dark: #000000;
JSON
{
  "hex": "#102559",
  "rgb": {
    "r": 16,
    "g": 37,
    "b": 89
  },
  "hsl": {
    "h": 222.74,
    "s": 69.524,
    "l": 20.588
  },
  "oklch": {
    "l": 0.2829,
    "c": 0.09773,
    "h": 264.4
  },
  "luminance": 0.02155
}

Semantic roles & 50–950 ramp

primary
#102559
secondary
#927733
accent
#B93BEC
background
#F5F5F8
surface
#E9E9F0
border
#C5C5CB
text
#04040B
muted
#79797C

Preview Lab

Preview with #102559

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

Preview Lab → · Contrast checker → · Palette generator →

#102559 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva