#101631#101631

#101631 is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.1% C 0.054 H 271.7°. Best body text is #FFFFFF at 17.78:1 contrast (WCAG AA passes).

Color values

HEX#101631
RGBrgb(16, 22, 49)
HSLhsl(229, 51%, 13%)
HSVhsv(229, 67%, 19%)
CMYKcmyk(67.3%, 55.1%, 0%, 80.8%)
CIE-LABlab(8.18, 7.30, -18.88)
CIE-LCHlch(8.18, 20.24, 291.15°)
OKLaboklab(21.12% 0.0016 -0.0538)
OKLCHoklch(21.12% 0.054 271.7)
XYZxyz(1.0548, 0.9057, 3.0244)
Luminance0.0091 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101631 #312B10
analogous
#102631 #101631 #1A1031
triadic
#101631 #311016 #163110
tetradic
#101631 #311026 #312B10 #10311A
square
#101631 #311026 #312B10 #10311A
split-complementary
#101631 #311A10 #263110
monochromatic
#080A17 #080A17 #101631 #1F2B5F #2E3F8D

Accessibility & contrast

On white

17.78
#101631 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.18
#101631 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101631
17.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101631#FFFFFF#000000##FFFFFF
##1016311.0017.781.1817.78
#FFFFFF17.781.0021.001.00
#0000001.1821.001.0021.00
##FFFFFF17.781.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0A1932
Deuteranopia (green-blind)
#061730
Tritanopia (blue-blind)
#011C21
Achromatopsia (no color)
#181818

Design tokens & code

CSS
--color: #101631;
/* rgb */ color: rgb(16, 22, 49);
/* oklch */ color: oklch(21.1% 0.054 271.7);
Tailwind
colors: {
  custom: {
    50: '#515269',
    500: '#101631',
    950: '#000000',
  },
}
SCSS
$custom: #101631;
$custom-light: #515269;
$custom-dark: #000000;
JSON
{
  "hex": "#101631",
  "rgb": {
    "r": 16,
    "g": 22,
    "b": 49
  },
  "hsl": {
    "h": 229.091,
    "s": 50.769,
    "l": 12.745
  },
  "oklch": {
    "l": 0.21115,
    "c": 0.05382,
    "h": 271.7
  },
  "luminance": 0.00906
}

Semantic roles & 50–950 ramp

primary
#101631
secondary
#6A6033
accent
#C14EDA
background
#F4F4F6
surface
#E7E7EB
border
#C3C3C6
text
#020206
muted
#78787A

Preview Lab

Preview with #101631

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

Preview Lab → · Contrast checker → · Palette generator →

#101631 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva