#101F2D#101F2D

#101F2D is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.3% C 0.034 H 247.8°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#101F2D
RGB	rgb(16, 31, 45)
HSL	hsl(209, 48%, 12%)
HSV	hsv(209, 64%, 18%)
CMYK	cmyk(64.4%, 31.1%, 0%, 82.4%)
CIE-LAB	lab(11.13, -1.26, -11.31)
CIE-LCH	lch(11.13, 11.38, 263.63°)
OKLab	oklab(23.32% -0.0129 -0.0316)
OKLCH	oklch(23.32% 0.034 247.8)
XYZ	xyz(1.1772, 1.2795, 2.6670)
Luminance	0.0128 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101F2D #2D1E10

analogous

#102D2D #101F2D #10112D

triadic

#101F2D #2D101F #1F2D10

tetradic

#101F2D #2D102D #2D1E10 #112D10

square

#101F2D #2D102D #2D1E10 #112D10

split-complementary

#101F2D #2D1011 #2D2D10

monochromatic

#081017 #081017 #101F2D #203E5A #305D87

Accessibility & contrast

On white

16.72

#101F2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#101F2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101F2D

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101F2D	#FFFFFF	#000000	##FFFFFF
##101F2D	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191F2E

Deuteranopia (green-blind)

#151C2D

Tritanopia (blue-blind)

#032224

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #101f2d;
/* rgb */ color: rgb(16, 31, 45);
/* oklch */ color: oklch(23.3% 0.034 247.8);

Tailwind

colors: {
  custom: {
    50: '#505a66',
    500: '#101f2d',
    950: '#000000',
  },
}

SCSS

$custom: #101f2d;
$custom-light: #505a66;
$custom-dark: #000000;

JSON

{
  "hex": "#101f2d",
  "rgb": {
    "r": 16,
    "g": 31,
    "b": 45
  },
  "hsl": {
    "h": 208.966,
    "s": 47.541,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23321,
    "c": 0.03416,
    "h": 247.8
  },
  "luminance": 0.0128
}

Semantic roles & 50–950 ramp

primary

#101F2D

secondary

#664C33

accent

#9251D7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020305

muted

#78787A

Preview Lab

Preview with #101F2D

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

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