#10212D#10212D

#10212D is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 23.9% C 0.032 H 240.7°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#10212D
RGB	rgb(16, 33, 45)
HSL	hsl(205, 48%, 12%)
HSV	hsv(205, 64%, 18%)
CMYK	cmyk(64.4%, 26.7%, 0%, 82.4%)
CIE-LAB	lab(11.87, -2.72, -10.16)
CIE-LCH	lch(11.87, 10.52, 255.02°)
OKLab	oklab(23.91% -0.0159 -0.0283)
OKLCH	oklch(23.91% 0.032 240.7)
XYZ	xyz(1.2310, 1.3872, 2.6850)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10212D #2D1C10

analogous

#102D2B #10212D #10132D

triadic

#10212D #2D1021 #212D10

tetradic

#10212D #2B102D #2D1C10 #132D10

square

#10212D #2B102D #2D1C10 #132D10

split-complementary

#10212D #2D1013 #2D2B10

monochromatic

#081117 #081117 #10212D #20425A #306387

Accessibility & contrast

On white

16.44

#10212D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#10212D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10212D

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10212D	#FFFFFF	#000000	##FFFFFF
##10212D	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C212E

Deuteranopia (green-blind)

#181E2D

Tritanopia (blue-blind)

#022425

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #10212d;
/* rgb */ color: rgb(16, 33, 45);
/* oklch */ color: oklch(23.9% 0.032 240.7);

Tailwind

colors: {
  custom: {
    50: '#515c66',
    500: '#10212d',
    950: '#000000',
  },
}

SCSS

$custom: #10212d;
$custom-light: #515c66;
$custom-dark: #000000;

JSON

{
  "hex": "#10212d",
  "rgb": {
    "r": 16,
    "g": 33,
    "b": 45
  },
  "hsl": {
    "h": 204.828,
    "s": 47.541,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23906,
    "c": 0.03249,
    "h": 240.7
  },
  "luminance": 0.01387
}

Semantic roles & 50–950 ramp

primary

#10212D

secondary

#664833

accent

#8851D7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020405

muted

#78797A

Preview Lab

Preview with #10212D

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

Preview Lab → · Contrast checker → · Palette generator →