#021D3B#021D3B

#021D3B is a very dark, moderate cyan. Relative luminance 0.012; OKLCH L 23.0% C 0.067 H 253.2°. Best body text is #FFFFFF at 16.92:1 contrast (WCAG AA passes).

Color values

HEX	#021D3B
RGB	rgb(2, 29, 59)
HSL	hsl(212, 93%, 12%)
HSV	hsv(212, 97%, 23%)
CMYK	cmyk(96.6%, 50.8%, 0%, 76.9%)
CIE-LAB	lab(10.61, 3.43, -22.25)
CIE-LCH	lch(10.61, 22.51, 278.77°)
OKLab	oklab(23.02% -0.0193 -0.0639)
OKLCH	oklch(23.02% 0.067 253.2)
XYZ	xyz(1.2535, 1.2072, 4.3038)
Luminance	0.0121 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021D3B #3B2002

analogous

#023A3B #021D3B #04023B

triadic

#021D3B #3B021D #1D3B02

tetradic

#021D3B #3B023A #3B2002 #023B04

square

#021D3B #3B023A #3B2002 #023B04

split-complementary

#021D3B #3B0402 #3A3B02

monochromatic

#010F1E #010F1E #021D3B #043A76 #0657B1

Accessibility & contrast

On white

16.92

#021D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#021D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021D3B

16.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021D3B	#FFFFFF	#000000	##FFFFFF
##021D3B	1.00	16.92	1.24	16.92
#FFFFFF	16.92	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1F3C

Deuteranopia (green-blind)

#031A3A

Tritanopia (blue-blind)

#002429

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #021d3b;
/* rgb */ color: rgb(2, 29, 59);
/* oklch */ color: oklch(23.0% 0.067 253.2);

Tailwind

colors: {
  custom: {
    50: '#4e5871',
    500: '#021d3b',
    950: '#000000',
  },
}

SCSS

$custom: #021d3b;
$custom-light: #4e5871;
$custom-dark: #000000;

JSON

{
  "hex": "#021d3b",
  "rgb": {
    "r": 2,
    "g": 29,
    "b": 59
  },
  "hsl": {
    "h": 211.579,
    "s": 93.443,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23015,
    "c": 0.06673,
    "h": 253.2
  },
  "luminance": 0.01207
}

Semantic roles & 50–950 ramp

primary

#021D3B

secondary

#7E4F1A

accent

#9A29FF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020307

muted

#78787A

Preview Lab

Preview with #021D3B

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

Preview Lab → · Contrast checker → · Palette generator →