#021F31#021F31

#021F31 is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.8% C 0.049 H 239.9°. Best body text is #FFFFFF at 16.89:1 contrast (WCAG AA passes).

Color values

HEX	#021F31
RGB	rgb(2, 31, 49)
HSL	hsl(203, 92%, 10%)
HSV	hsv(203, 96%, 19%)
CMYK	cmyk(95.9%, 36.7%, 0%, 80.8%)
CIE-LAB	lab(10.66, -2.90, -14.99)
CIE-LCH	lch(10.66, 15.27, 259.06°)
OKLab	oklab(22.83% -0.0246 -0.0425)
OKLCH	oklch(22.83% 0.049 239.9)
XYZ	xyz(1.0692, 1.2145, 3.0832)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021F31 #311402

analogous

#02312C #021F31 #020731

triadic

#021F31 #31021F #1F3102

tetradic

#021F31 #2C0231 #311402 #073102

square

#021F31 #2C0231 #311402 #073102

split-complementary

#021F31 #310207 #312C02

monochromatic

#01131D #01131D #021F31 #04446C #0769A7

Accessibility & contrast

On white

16.89

#021F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#021F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021F31

16.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021F31	#FFFFFF	#000000	##FFFFFF
##021F31	1.00	16.89	1.24	16.89
#FFFFFF	16.89	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161F32

Deuteranopia (green-blind)

#101B31

Tritanopia (blue-blind)

#002425

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #021f31;
/* rgb */ color: rgb(2, 31, 49);
/* oklch */ color: oklch(22.8% 0.049 239.9);

Tailwind

colors: {
  custom: {
    50: '#4b5a69',
    500: '#021f31',
    950: '#000000',
  },
}

SCSS

$custom: #021f31;
$custom-light: #4b5a69;
$custom-dark: #000000;

JSON

{
  "hex": "#021f31",
  "rgb": {
    "r": 2,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 202.979,
    "s": 92.157,
    "l": 10
  },
  "oklch": {
    "l": 0.22832,
    "c": 0.04916,
    "h": 239.9
  },
  "luminance": 0.01215
}

Semantic roles & 50–950 ramp

primary

#021F31

secondary

#753D19

accent

#7B29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010306

muted

#77787A

Preview Lab

Preview with #021F31

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

Preview Lab → · Contrast checker → · Palette generator →