#021F2B#021F2B

#021F2B is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.4% C 0.042 H 229.1°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#021F2B
RGB	rgb(2, 31, 43)
HSL	hsl(198, 91%, 9%)
HSV	hsv(198, 95%, 17%)
CMYK	cmyk(95.3%, 27.9%, 0%, 83.1%)
CIE-LAB	lab(10.31, -5.68, -11.17)
CIE-LCH	lch(10.31, 12.54, 243.05°)
OKLab	oklab(22.44% -0.0272 -0.0315)
OKLCH	oklch(22.44% 0.042 229.1)
XYZ	xyz(0.9509, 1.1672, 2.4602)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021F2B #2B0E02

analogous

#022B23 #021F2B #020B2B

triadic

#021F2B #2B021F #1F2B02

tetradic

#021F2B #23022B #2B0E02 #0B2B02

square

#021F2B #23022B #2B0E02 #0B2B02

split-complementary

#021F2B #2B020B #2B2302

monochromatic

#01151D #01151D #021F2B #054965 #0773A0

Accessibility & contrast

On white

17.03

#021F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#021F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021F2B

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021F2B	#FFFFFF	#000000	##FFFFFF
##021F2B	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191E2C

Deuteranopia (green-blind)

#131A2B

Tritanopia (blue-blind)

#002223

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #021f2b;
/* rgb */ color: rgb(2, 31, 43);
/* oklch */ color: oklch(22.4% 0.042 229.1);

Tailwind

colors: {
  custom: {
    50: '#495a64',
    500: '#021f2b',
    950: '#000000',
  },
}

SCSS

$custom: #021f2b;
$custom-light: #495a64;
$custom-dark: #000000;

JSON

{
  "hex": "#021f2b",
  "rgb": {
    "r": 2,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 197.561,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.22437,
    "c": 0.04163,
    "h": 229.1
  },
  "luminance": 0.01167
}

Semantic roles & 50–950 ramp

primary

#021F2B

secondary

#703219

accent

#6729FF

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010305

muted

#777879

Preview Lab

Preview with #021F2B

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

Preview Lab → · Contrast checker → · Palette generator →