#131535#131535

#131535 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 21.5% C 0.062 H 277.2°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX#131535
RGBrgb(19, 21, 53)
HSLhsl(236, 47%, 14%)
HSVhsv(236, 64%, 21%)
CMYKcmyk(64.2%, 60.4%, 0%, 79.2%)
CIE-LABlab(8.41, 10.54, -21.42)
CIE-LCHlch(8.41, 23.87, 296.19°)
OKLaboklab(21.45% 0.0077 -0.0612)
OKLCHoklch(21.45% 0.062 277.2)
XYZxyz(1.1791, 0.9317, 3.4852)
Luminance0.0093 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#131535 #353313
analogous
#132635 #131535 #221335
triadic
#131535 #351315 #153513
tetradic
#131535 #351326 #353313 #133522
square
#131535 #351326 #353313 #133522
split-complementary
#131535 #352213 #263513
monochromatic
#080917 #080917 #131535 #232762 #33398F

Accessibility & contrast

On white

17.70
#131535 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#131535 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131535
17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##131535#FFFFFF#000000##FFFFFF
##1315351.0017.701.1917.70
#FFFFFF17.701.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.701.0021.001.00

Color blindness preview

Protanopia (red-blind)
#051A36
Deuteranopia (green-blind)
#021734
Tritanopia (blue-blind)
#041C22
Achromatopsia (no color)
#181818

Design tokens & code

CSS
--color: #131535;
/* rgb */ color: rgb(19, 21, 53);
/* oklch */ color: oklch(21.5% 0.062 277.2);
Tailwind
colors: {
  custom: {
    50: '#54526c',
    500: '#131535',
    950: '#000000',
  },
}
SCSS
$custom: #131535;
$custom-light: #54526c;
$custom-dark: #000000;
JSON
{
  "hex": "#131535",
  "rgb": {
    "r": 19,
    "g": 21,
    "b": 53
  },
  "hsl": {
    "h": 236.471,
    "s": 47.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21454,
    "c": 0.06165,
    "h": 277.2
  },
  "luminance": 0.00932
}

Semantic roles & 50–950 ramp

primary
#131535
secondary
#6D6A37
accent
#CF51D7
background
#F5F4F6
surface
#E8E7EB
border
#C4C3C6
text
#030207
muted
#78787A

Preview Lab

Preview with #131535

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

Preview Lab → · Contrast checker → · Palette generator →

#131535 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva