#021831#021831

#021831 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.8% C 0.058 H 252.5°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#021831
RGB	rgb(2, 24, 49)
HSL	hsl(212, 92%, 10%)
HSV	hsv(212, 96%, 19%)
CMYK	cmyk(95.9%, 51%, 0%, 80.8%)
CIE-LAB	lab(8.02, 2.47, -19.19)
CIE-LCH	lch(8.02, 19.35, 277.35°)
OKLab	oklab(20.75% -0.0173 -0.055)
OKLCH	oklch(20.75% 0.058 252.5)
XYZ	xyz(0.9058, 0.8878, 3.0288)
Luminance	0.0089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021831 #311B02

analogous

#022F31 #021831 #040231

triadic

#021831 #310218 #183102

tetradic

#021831 #31022F #311B02 #023104

square

#021831 #31022F #311B02 #023104

split-complementary

#021831 #310402 #2F3102

monochromatic

#010E1D #010E1D #021831 #04356C #0752A7

Accessibility & contrast

On white

17.83

#021831 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#021831 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021831

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021831	#FFFFFF	#000000	##FFFFFF
##021831	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B1A32

Deuteranopia (green-blind)

#041631

Tritanopia (blue-blind)

#001E22

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #021831;
/* rgb */ color: rgb(2, 24, 49);
/* oklch */ color: oklch(20.8% 0.058 252.5);

Tailwind

colors: {
  custom: {
    50: '#4a5469',
    500: '#021831',
    950: '#000000',
  },
}

SCSS

$custom: #021831;
$custom-light: #4a5469;
$custom-dark: #000000;

JSON

{
  "hex": "#021831",
  "rgb": {
    "r": 2,
    "g": 24,
    "b": 49
  },
  "hsl": {
    "h": 211.915,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.20752,
    "c": 0.05766,
    "h": 252.5
  },
  "luminance": 0.00888
}

Semantic roles & 50–950 ramp

primary

#021831

secondary

#754A19

accent

#9B29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #021831

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

Preview Lab → · Contrast checker → · Palette generator →