#101F2E#101F2E

#101F2E is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.4% C 0.036 H 249.6°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#101F2E
RGB	rgb(16, 31, 46)
HSL	hsl(210, 48%, 12%)
HSV	hsv(210, 65%, 18%)
CMYK	cmyk(65.2%, 32.6%, 0%, 82%)
CIE-LAB	lab(11.19, -0.87, -11.95)
CIE-LCH	lch(11.19, 11.98, 265.85°)
OKLab	oklab(23.38% -0.0125 -0.0335)
OKLCH	oklch(23.38% 0.036 249.6)
XYZ	xyz(1.1966, 1.2873, 2.7697)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F2E #2E1F10

analogous

#102E2E #101F2E #10102E

triadic

#101F2E #2E101F #1F2E10

tetradic

#101F2E #2E102E #2E1F10 #102E10

square

#101F2E #2E102E #2E1F10 #102E10

split-complementary

#101F2E #2E1010 #2E2E10

monochromatic

#080F17 #080F17 #101F2E #203E5B #305C89

Accessibility & contrast

On white

16.70

#101F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F2E

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F2E	#FFFFFF	#000000	##FFFFFF
##101F2E	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19202F

Deuteranopia (green-blind)

#151D2E

Tritanopia (blue-blind)

#022224

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101f2e;
/* rgb */ color: rgb(16, 31, 46);
/* oklch */ color: oklch(23.4% 0.036 249.6);

Tailwind

colors: {
  custom: {
    50: '#515a66',
    500: '#101f2e',
    950: '#000000',
  },
}

SCSS

$custom: #101f2e;
$custom-light: #515a66;
$custom-dark: #000000;

JSON

{
  "hex": "#101f2e",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 46
  },
  "hsl": {
    "h": 210,
    "s": 48.387,
    "l": 12.157
  },
  "oklch": {
    "l": 0.23382,
    "c": 0.03574,
    "h": 249.6
  },
  "luminance": 0.01287
}

Semantic roles & 50–950 ramp

primary

#101F2E

secondary

#674D33

accent

#9450D8

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101F2E

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

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