#00212E#00212E

#00212E is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.2% C 0.045 H 228.4°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#00212E
RGB	rgb(0, 33, 46)
HSL	hsl(197, 100%, 9%)
HSV	hsv(197, 100%, 18%)
CMYK	cmyk(100%, 28.3%, 0%, 82%)
CIE-LAB	lab(11.17, -6.22, -12.03)
CIE-LCH	lch(11.17, 13.54, 242.67°)
OKLab	oklab(23.15% -0.0301 -0.0339)
OKLCH	oklch(23.15% 0.045 228.4)
XYZ	xyz(1.0368, 1.2848, 2.7776)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00212E #2E0D00

analogous

#002E24 #00212E #000A2E

triadic

#00212E #2E0021 #212E00

tetradic

#00212E #24002E #2E0D00 #0A2E00

square

#00212E #24002E #2E0D00 #0A2E00

split-complementary

#00212E #2E000A #2E2400

monochromatic

#00161F #00161F #00212E #004D6B #0079A8

Accessibility & contrast

On white

16.71

#00212E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#00212E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00212E

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00212E	#FFFFFF	#000000	##FFFFFF
##00212E	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A202F

Deuteranopia (green-blind)

#141C2E

Tritanopia (blue-blind)

#002525

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #00212e;
/* rgb */ color: rgb(0, 33, 46);
/* oklch */ color: oklch(23.2% 0.045 228.4);

Tailwind

colors: {
  custom: {
    50: '#495c66',
    500: '#00212e',
    950: '#000000',
  },
}

SCSS

$custom: #00212e;
$custom-light: #495c66;
$custom-dark: #000000;

JSON

{
  "hex": "#00212e",
  "rgb": {
    "r": 0,
    "g": 33,
    "b": 46
  },
  "hsl": {
    "h": 196.957,
    "s": 100,
    "l": 9.02
  },
  "oklch": {
    "l": 0.2315,
    "c": 0.04537,
    "h": 228.4
  },
  "luminance": 0.01285
}

Semantic roles & 50–950 ramp

primary

#00212E

secondary

#753015

accent

#6529FF

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#010406

muted

#77797A

Preview Lab

Preview with #00212E

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

Preview Lab → · Contrast checker → · Palette generator →