#131735#131735

#131735 is a very dark, muted blue. Relative luminance 0.010; OKLCH L 21.9% C 0.058 H 274.8°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#131735
RGB	rgb(19, 23, 53)
HSL	hsl(233, 47%, 14%)
HSV	hsv(233, 64%, 21%)
CMYK	cmyk(64.2%, 56.6%, 0%, 79.2%)
CIE-LAB	lab(9.06, 8.97, -20.37)
CIE-LCH	lch(9.06, 22.26, 293.77°)
OKLab	oklab(21.95% 0.0049 -0.0581)
OKLCH	oklch(21.95% 0.058 274.8)
XYZ	xyz(1.2174, 1.0082, 3.4979)
Luminance	0.0101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#131735 #353113

analogous

#132835 #131735 #201335

triadic

#131735 #351317 #173513

tetradic

#131735 #351328 #353113 #133520

square

#131735 #351328 #353113 #133520

split-complementary

#131735 #352013 #283513

monochromatic

#080A17 #080A17 #131735 #232B62 #333E8F

Accessibility & contrast

On white

17.48

#131735 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#131735 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #131735

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##131735	#FFFFFF	#000000	##FFFFFF
##131735	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#091B36

Deuteranopia (green-blind)

#051834

Tritanopia (blue-blind)

#041E23

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #131735;
/* rgb */ color: rgb(19, 23, 53);
/* oklch */ color: oklch(21.9% 0.058 274.8);

Tailwind

colors: {
  custom: {
    50: '#54536c',
    500: '#131735',
    950: '#000000',
  },
}

SCSS

$custom: #131735;
$custom-light: #54536c;
$custom-dark: #000000;

JSON

{
  "hex": "#131735",
  "rgb": {
    "r": 19,
    "g": 23,
    "b": 53
  },
  "hsl": {
    "h": 232.941,
    "s": 47.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.21945,
    "c": 0.05829,
    "h": 274.8
  },
  "luminance": 0.01008
}

Semantic roles & 50–950 ramp

primary

#131735

secondary

#6D6737

accent

#C751D7

background

#F4F4F6

surface

#E8E7EB

border

#C4C3C6

text

#030207

muted

#78787A

Preview Lab

Preview with #131735

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

Preview Lab → · Contrast checker → · Palette generator →