#101522#101522

#101522 is a very dark, muted blue. Relative luminance 0.008; OKLCH L 19.7% C 0.027 H 267.7°. Best body text is #FFFFFF at 18.22:1 contrast (WCAG AA passes).

Color values

HEX	#101522
RGB	rgb(16, 21, 34)
HSL	hsl(223, 36%, 10%)
HSV	hsv(223, 53%, 13%)
CMYK	cmyk(52.9%, 38.2%, 0%, 86.7%)
CIE-LAB	lab(6.88, 1.90, -9.73)
CIE-LCH	lch(6.88, 9.92, 281.03°)
OKLab	oklab(19.75% -0.0011 -0.0274)
OKLCH	oklch(19.75% 0.027 267.7)
XYZ	xyz(0.7705, 0.7619, 1.6195)
Luminance	0.0076 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101522 #221D10

analogous

#101E22 #101522 #141022

triadic

#101522 #221015 #152210

tetradic

#101522 #22101E #221D10 #102214

square

#101522 #22101E #221D10 #102214

split-complementary

#101522 #221410 #1E2210

monochromatic

#0A0D15 #0A0D15 #101522 #242F4C #374875

Accessibility & contrast

On white

18.22

#101522 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#101522 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101522

18.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101522	#FFFFFF	#000000	##FFFFFF
##101522	1.00	18.22	1.15	18.22
#FFFFFF	18.22	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111623

Deuteranopia (green-blind)

#0F1522

Tritanopia (blue-blind)

#0A181A

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #101522;
/* rgb */ color: rgb(16, 21, 34);
/* oklch */ color: oklch(19.7% 0.027 267.7);

Tailwind

colors: {
  custom: {
    50: '#4f525d',
    500: '#101522',
    950: '#000000',
  },
}

SCSS

$custom: #101522;
$custom-light: #4f525d;
$custom-dark: #000000;

JSON

{
  "hex": "#101522",
  "rgb": {
    "r": 16,
    "g": 21,
    "b": 34
  },
  "hsl": {
    "h": 223.333,
    "s": 36,
    "l": 9.804
  },
  "oklch": {
    "l": 0.19747,
    "c": 0.02745,
    "h": 267.7
  },
  "luminance": 0.00762
}

Semantic roles & 50–950 ramp

primary

#101522

secondary

#594F35

accent

#AD5CCC

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020204

muted

#787879

Preview Lab

Preview with #101522

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

Preview Lab → · Contrast checker → · Palette generator →