#10202B#10202B

#10202B is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.5% C 0.030 H 239.9°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#10202B
RGB	rgb(16, 32, 43)
HSL	hsl(204, 46%, 12%)
HSV	hsv(204, 63%, 17%)
CMYK	cmyk(62.8%, 25.6%, 0%, 83.1%)
CIE-LAB	lab(11.40, -2.77, -9.44)
CIE-LCH	lch(11.40, 9.84, 253.63°)
OKLab	oklab(23.5% -0.0153 -0.0263)
OKLCH	oklch(23.5% 0.03 239.9)
XYZ	xyz(1.1661, 1.3175, 2.4779)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10202B #2B1B10

analogous

#102B29 #10202B #10132B

triadic

#10202B #2B1020 #202B10

tetradic

#10202B #29102B #2B1B10 #132B10

square

#10202B #29102B #2B1B10 #132B10

split-complementary

#10202B #2B1013 #2B2910

monochromatic

#081116 #081116 #10202B #214158 #316284

Accessibility & contrast

On white

16.62

#10202B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#10202B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10202B

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10202B	#FFFFFF	#000000	##FFFFFF
##10202B	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B202C

Deuteranopia (green-blind)

#171D2B

Tritanopia (blue-blind)

#042324

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #10202b;
/* rgb */ color: rgb(16, 32, 43);
/* oklch */ color: oklch(23.5% 0.030 239.9);

Tailwind

colors: {
  custom: {
    50: '#505b64',
    500: '#10202b',
    950: '#000000',
  },
}

SCSS

$custom: #10202b;
$custom-light: #505b64;
$custom-dark: #000000;

JSON

{
  "hex": "#10202b",
  "rgb": {
    "r": 16,
    "g": 32,
    "b": 43
  },
  "hsl": {
    "h": 204.444,
    "s": 45.763,
    "l": 11.569
  },
  "oklch": {
    "l": 0.23496,
    "c": 0.0304,
    "h": 239.9
  },
  "luminance": 0.01318
}

Semantic roles & 50–950 ramp

primary

#10202B

secondary

#644733

accent

#8852D5

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020405

muted

#787979

Preview Lab

Preview with #10202B

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

Preview Lab → · Contrast checker → · Palette generator →