#101D2A#101D2A

#101D2A is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 22.6% C 0.031 H 249.4°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#101D2A
RGB	rgb(16, 29, 42)
HSL	hsl(210, 45%, 11%)
HSV	hsv(210, 62%, 16%)
CMYK	cmyk(61.9%, 31%, 0%, 83.5%)
CIE-LAB	lab(10.23, -0.97, -10.52)
CIE-LCH	lch(10.23, 10.56, 264.75°)
OKLab	oklab(22.56% -0.0111 -0.0294)
OKLCH	oklch(22.56% 0.031 249.4)
XYZ	xyz(1.0708, 1.1560, 2.3567)
Luminance	0.0116 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#101D2A #2A1D10

analogous

#102A2A #101D2A #10102A

triadic

#101D2A #2A101D #1D2A10

tetradic

#101D2A #2A102A #2A1D10 #102A10

square

#101D2A #2A102A #2A1D10 #102A10

split-complementary

#101D2A #2A1010 #2A2A10

monochromatic

#080F16 #080F16 #101D2A #213C56 #325A83

Accessibility & contrast

On white

17.06

#101D2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#101D2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101D2A

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##101D2A	#FFFFFF	#000000	##FFFFFF
##101D2A	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181D2B

Deuteranopia (green-blind)

#141B2A

Tritanopia (blue-blind)

#052021

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #101d2a;
/* rgb */ color: rgb(16, 29, 42);
/* oklch */ color: oklch(22.6% 0.031 249.4);

Tailwind

colors: {
  custom: {
    50: '#505863',
    500: '#101d2a',
    950: '#000000',
  },
}

SCSS

$custom: #101d2a;
$custom-light: #505863;
$custom-dark: #000000;

JSON

{
  "hex": "#101d2a",
  "rgb": {
    "r": 16,
    "g": 29,
    "b": 42
  },
  "hsl": {
    "h": 210,
    "s": 44.828,
    "l": 11.373
  },
  "oklch": {
    "l": 0.22557,
    "c": 0.03139,
    "h": 249.4
  },
  "luminance": 0.01156
}

Semantic roles & 50–950 ramp

primary

#101D2A

secondary

#624B33

accent

#9453D5

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #101D2A

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

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