#010131#010131

#010131 is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.6% C 0.095 H 266.2°. Best body text is #FFFFFF at 20.00:1 contrast (WCAG AA passes).

Color values

HEX#010131
RGBrgb(1, 1, 49)
HSLhsl(240, 96%, 10%)
HSVhsv(240, 98%, 19%)
CMYKcmyk(98%, 98%, 0%, 80.8%)
CIE-LABlab(2.26, 13.93, -28.41)
CIE-LCHlch(2.26, 31.64, 296.13°)
OKLaboklab(14.61% -0.0063 -0.0947)
OKLCHoklch(14.61% 0.095 266.2)
XYZxyz(0.5776, 0.2498, 2.9229)
Luminance0.0025 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#010131 #313101
analogous
#011931 #010131 #190131
triadic
#010131 #310101 #013101
tetradic
#010131 #310119 #313101 #013119
square
#010131 #310119 #313101 #013119
split-complementary
#010131 #311901 #193101
monochromatic
#01011E #01011E #010131 #02026D #0303A9

Accessibility & contrast

On white

20.00
#010131 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.05
#010131 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010131
20.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##010131#FFFFFF#000000##FFFFFF
##0101311.0020.001.0520.00
#FFFFFF20.001.0021.001.00
#0000001.0521.001.0021.00
##FFFFFF20.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#000B32
Deuteranopia (green-blind)
#000630
Tritanopia (blue-blind)
#000F19
Achromatopsia (no color)
#080808

Design tokens & code

CSS
--color: #010131;
/* rgb */ color: rgb(1, 1, 49);
/* oklch */ color: oklch(14.6% 0.095 266.2);
Tailwind
colors: {
  custom: {
    50: '#494769',
    500: '#010131',
    950: '#000000',
  },
}
SCSS
$custom: #010131;
$custom-light: #494769;
$custom-dark: #000000;
JSON
{
  "hex": "#010131",
  "rgb": {
    "r": 1,
    "g": 1,
    "b": 49
  },
  "hsl": {
    "h": 240,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.14611,
    "c": 0.09491,
    "h": 266.2
  },
  "luminance": 0.0025
}

Semantic roles & 50–950 ramp

primary
#010131
secondary
#777717
accent
#FF29FF
background
#F4F3F6
surface
#E7E5EB
border
#C3C1C6
text
#010006
muted
#77777A

Preview Lab

Preview with #010131

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

Preview Lab → · Contrast checker → · Palette generator →

#010131 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva