#101337#101337

#101337 is a very dark, moderate blue. Relative luminance 0.009; OKLCH L 20.9% C 0.069 H 275.1°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#101337
RGB	rgb(16, 19, 55)
HSL	hsl(235, 55%, 14%)
HSV	hsv(235, 71%, 22%)
CMYK	cmyk(70.9%, 65.5%, 0%, 78.4%)
CIE-LAB	lab(7.69, 12.19, -24.04)
CIE-LCH	lch(7.69, 26.95, 296.89°)
OKLab	oklab(20.9% 0.0061 -0.069)
OKLCH	oklch(20.9% 0.069 275.1)
XYZ	xyz(1.1359, 0.8517, 3.7182)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101337 #373410

analogous

#102737 #101337 #211037

triadic

#101337 #371013 #133710

tetradic

#101337 #371027 #373410 #103721

square

#101337 #371027 #373410 #103721

split-complementary

#101337 #372110 #273710

monochromatic

#070818 #070818 #101337 #1E2366 #2C3496

Accessibility & contrast

On white

17.94

#101337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101337

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101337	#FFFFFF	#000000	##FFFFFF
##101337	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001938

Deuteranopia (green-blind)

#001536

Tritanopia (blue-blind)

#001C22

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #101337;
/* rgb */ color: rgb(16, 19, 55);
/* oklch */ color: oklch(20.9% 0.069 275.1);

Tailwind

colors: {
  custom: {
    50: '#53506e',
    500: '#101337',
    950: '#000000',
  },
}

SCSS

$custom: #101337;
$custom-light: #53506e;
$custom-dark: #000000;

JSON

{
  "hex": "#101337",
  "rgb": {
    "r": 16,
    "g": 19,
    "b": 55
  },
  "hsl": {
    "h": 235.385,
    "s": 54.93,
    "l": 13.922
  },
  "oklch": {
    "l": 0.20902,
    "c": 0.06929,
    "h": 275.1
  },
  "luminance": 0.00852
}

Semantic roles & 50–950 ramp

primary

#101337

secondary

#716C32

accent

#D34ADE

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#030207

muted

#78787A

Preview Lab

Preview with #101337

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

Preview Lab → · Contrast checker → · Palette generator →