#101720#101720

#101720 is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.2% C 0.021 H 254.9°. Best body text is #FFFFFF at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#101720
RGB	rgb(16, 23, 32)
HSL	hsl(214, 33%, 9%)
HSV	hsv(214, 50%, 13%)
CMYK	cmyk(50%, 28.1%, 0%, 87.5%)
CIE-LAB	lab(7.47, -0.23, -7.31)
CIE-LCH	lch(7.47, 7.32, 268.23°)
OKLab	oklab(20.21% -0.0055 -0.0203)
OKLCH	oklch(20.21% 0.021 254.9)
XYZ	xyz(0.7807, 0.8272, 1.4847)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101720 #201910

analogous

#101F20 #101720 #111020

triadic

#101720 #201017 #172010

tetradic

#101720 #20101F #201910 #102011

square

#101720 #20101F #201910 #102011

split-complementary

#101720 #201110 #1F2010

monochromatic

#0A0F14 #0A0F14 #101720 #243449 #395272

Accessibility & contrast

On white

18.02

#101720 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#101720 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101720

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101720	#FFFFFF	#000000	##FFFFFF
##101720	1.00	18.02	1.17	18.02
#FFFFFF	18.02	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141720

Deuteranopia (green-blind)

#121620

Tritanopia (blue-blind)

#0B191A

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #101720;
/* rgb */ color: rgb(16, 23, 32);
/* oklch */ color: oklch(20.2% 0.021 254.9);

Tailwind

colors: {
  custom: {
    50: '#4e535b',
    500: '#101720',
    950: '#000000',
  },
}

SCSS

$custom: #101720;
$custom-light: #4e535b;
$custom-dark: #000000;

JSON

{
  "hex": "#101720",
  "rgb": {
    "r": 16,
    "g": 23,
    "b": 32
  },
  "hsl": {
    "h": 213.75,
    "s": 33.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.20206,
    "c": 0.02101,
    "h": 254.9
  },
  "luminance": 0.00827
}

Semantic roles & 50–950 ramp

primary

#101720

secondary

#564836

accent

#9B5EC9

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010204

muted

#777879

Preview Lab

Preview with #101720

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

Preview Lab → · Contrast checker → · Palette generator →