#101F2F#101F2F

#101F2F is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.4% C 0.037 H 251.1°. Best body text is #FFFFFF at 16.68:1 contrast (WCAG AA passes).

Color values

HEX	#101F2F
RGB	rgb(16, 31, 47)
HSL	hsl(211, 49%, 12%)
HSV	hsv(211, 66%, 18%)
CMYK	cmyk(66%, 34%, 0%, 81.6%)
CIE-LAB	lab(11.24, -0.46, -12.58)
CIE-LCH	lch(11.24, 12.59, 267.89°)
OKLab	oklab(23.45% -0.0121 -0.0353)
OKLCH	oklch(23.45% 0.037 251.1)
XYZ	xyz(1.2166, 1.2953, 2.8747)
Luminance	0.0129 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F2F #2F2010

analogous

#102E2F #101F2F #11102F

triadic

#101F2F #2F101F #1F2F10

tetradic

#101F2F #2F102E #2F2010 #102F11

square

#101F2F #2F102E #2F2010 #102F11

split-complementary

#101F2F #2F1110 #2E2F10

monochromatic

#080F17 #080F17 #101F2F #203D5D #2F5B8A

Accessibility & contrast

On white

16.68

#101F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F2F

16.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F2F	#FFFFFF	#000000	##FFFFFF
##101F2F	1.00	16.68	1.26	16.68
#FFFFFF	16.68	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182030

Deuteranopia (green-blind)

#141D2F

Tritanopia (blue-blind)

#012325

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101f2f;
/* rgb */ color: rgb(16, 31, 47);
/* oklch */ color: oklch(23.4% 0.037 251.1);

Tailwind

colors: {
  custom: {
    50: '#515a67',
    500: '#101f2f',
    950: '#000000',
  },
}

SCSS

$custom: #101f2f;
$custom-light: #515a67;
$custom-dark: #000000;

JSON

{
  "hex": "#101f2f",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 47
  },
  "hsl": {
    "h": 210.968,
    "s": 49.206,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23445,
    "c": 0.03733,
    "h": 251.1
  },
  "luminance": 0.01295
}

Semantic roles & 50–950 ramp

primary

#101F2F

secondary

#684E33

accent

#964FD9

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #101F2F

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

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