#02101B#02101B

#02101B is a very dark, muted cyan. Relative luminance 0.005; OKLCH L 16.6% C 0.032 H 240.5°. Best body text is #FFFFFF at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#02101B
RGB	rgb(2, 16, 27)
HSL	hsl(206, 86%, 6%)
HSV	hsv(206, 93%, 11%)
CMYK	cmyk(92.6%, 40.7%, 0%, 89.4%)
CIE-LAB	lab(4.18, -1.29, -8.50)
CIE-LCH	lch(4.18, 8.60, 261.35°)
OKLab	oklab(16.56% -0.016 -0.0282)
OKLCH	oklch(16.56% 0.032 240.5)
XYZ	xyz(0.4081, 0.4626, 1.1045)
Luminance	0.0046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#02101B #1B0D02

analogous

#021B19 #02101B #02031B

triadic

#02101B #1B0210 #101B02

tetradic

#02101B #19021B #1B0D02 #031B02

square

#02101B #19021B #1B0D02 #031B02

split-complementary

#02101B #1B0203 #1B1902

monochromatic

#02111C #02111C #02111C #063254 #0A548D

Accessibility & contrast

On white

19.22

#02101B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#02101B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #02101B

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##02101B	#FFFFFF	#000000	##FFFFFF
##02101B	1.00	19.22	1.09	19.22
#FFFFFF	19.22	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B101B

Deuteranopia (green-blind)

#070D1B

Tritanopia (blue-blind)

#001314

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #02101b;
/* rgb */ color: rgb(2, 16, 27);
/* oklch */ color: oklch(16.6% 0.032 240.5);

Tailwind

colors: {
  custom: {
    50: '#474e57',
    500: '#02101b',
    950: '#000000',
  },
}

SCSS

$custom: #02101b;
$custom-light: #474e57;
$custom-dark: #000000;

JSON

{
  "hex": "#02101b",
  "rgb": {
    "r": 2,
    "g": 16,
    "b": 27
  },
  "hsl": {
    "h": 206.4,
    "s": 86.207,
    "l": 5.686
  },
  "oklch": {
    "l": 0.16558,
    "c": 0.0324,
    "h": 240.5
  },
  "luminance": 0.00463
}

Semantic roles & 50–950 ramp

primary

#02101B

secondary

#613818

accent

#872BFC

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #02101B

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

Preview Lab → · Contrast checker → · Palette generator →