#101C2B#101C2B

#101C2B is a very dark, muted cyan. Relative luminance 0.011; OKLCH L 22.3% C 0.034 H 254.5°. Best body text is #FFFFFF at 17.17:1 contrast (WCAG AA passes).

Color values

HEX	#101C2B
RGB	rgb(16, 28, 43)
HSL	hsl(213, 46%, 12%)
HSV	hsv(213, 63%, 17%)
CMYK	cmyk(62.8%, 34.9%, 0%, 83.1%)
CIE-LAB	lab(9.91, 0.18, -11.74)
CIE-LCH	lch(9.91, 11.74, 270.86°)
OKLab	oklab(22.33% -0.0091 -0.0329)
OKLCH	oklch(22.33% 0.034 254.5)
XYZ	xyz(1.0648, 1.1150, 2.4441)
Luminance	0.0112 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101C2B #2B1F10

analogous

#102A2B #101C2B #12102B

triadic

#101C2B #2B101C #1C2B10

tetradic

#101C2B #2B102A #2B1F10 #102B12

square

#101C2B #2B102A #2B1F10 #102B12

split-complementary

#101C2B #2B1210 #2A2B10

monochromatic

#080F16 #080F16 #101C2B #213958 #315684

Accessibility & contrast

On white

17.17

#101C2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#101C2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101C2B

17.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101C2B	#FFFFFF	#000000	##FFFFFF
##101C2B	1.00	17.17	1.22	17.17
#FFFFFF	17.17	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161D2C

Deuteranopia (green-blind)

#131A2B

Tritanopia (blue-blind)

#041F21

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #101c2b;
/* rgb */ color: rgb(16, 28, 43);
/* oklch */ color: oklch(22.3% 0.034 254.5);

Tailwind

colors: {
  custom: {
    50: '#505764',
    500: '#101c2b',
    950: '#000000',
  },
}

SCSS

$custom: #101c2b;
$custom-light: #505764;
$custom-dark: #000000;

JSON

{
  "hex": "#101c2b",
  "rgb": {
    "r": 16,
    "g": 28,
    "b": 43
  },
  "hsl": {
    "h": 213.333,
    "s": 45.763,
    "l": 11.569
  },
  "oklch": {
    "l": 0.22329,
    "c": 0.03414,
    "h": 254.5
  },
  "luminance": 0.01115
}

Semantic roles & 50–950 ramp

primary

#101C2B

secondary

#644E33

accent

#9B52D5

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #101C2B

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

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