#00212C#00212C

#00212C is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.0% C 0.043 H 224.3°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#00212C
RGB	rgb(0, 33, 44)
HSL	hsl(195, 100%, 9%)
HSV	hsv(195, 100%, 17%)
CMYK	cmyk(100%, 25%, 0%, 82.7%)
CIE-LAB	lab(11.06, -7.14, -10.75)
CIE-LCH	lch(11.06, 12.90, 236.42°)
OKLab	oklab(23.03% -0.031 -0.0303)
OKLCH	oklch(23.03% 0.043 224.3)
XYZ	xyz(0.9983, 1.2694, 2.5748)
Luminance	0.0127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00212C #2C0B00

analogous

#002C21 #00212C #000B2C

triadic

#00212C #2C0021 #212C00

tetradic

#00212C #21002C #2C0B00 #0B2C00

square

#00212C #21002C #2C0B00 #0B2C00

split-complementary

#00212C #2C000B #2C2100

monochromatic

#00171F #00171F #00212C #004F69 #007DA6

Accessibility & contrast

On white

16.75

#00212C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#00212C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00212C

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00212C	#FFFFFF	#000000	##FFFFFF
##00212C	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B202D

Deuteranopia (green-blind)

#151C2C

Tritanopia (blue-blind)

#002425

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #00212c;
/* rgb */ color: rgb(0, 33, 44);
/* oklch */ color: oklch(23.0% 0.043 224.3);

Tailwind

colors: {
  custom: {
    50: '#495c65',
    500: '#00212c',
    950: '#000000',
  },
}

SCSS

$custom: #00212c;
$custom-light: #495c65;
$custom-dark: #000000;

JSON

{
  "hex": "#00212c",
  "rgb": {
    "r": 0,
    "g": 33,
    "b": 44
  },
  "hsl": {
    "h": 195,
    "s": 100,
    "l": 8.627
  },
  "oklch": {
    "l": 0.23027,
    "c": 0.04335,
    "h": 224.3
  },
  "luminance": 0.0127
}

Semantic roles & 50–950 ramp

primary

#00212C

secondary

#732C14

accent

#5E29FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010405

muted

#77797A

Preview Lab

Preview with #00212C

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

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