#0A151E#0A151E

#0A151E is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.0% C 0.024 H 244.3°. Best body text is #FFFFFF at 18.44:1 contrast (WCAG AA passes).

Color values

HEX	#0A151E
RGB	rgb(10, 21, 30)
HSL	hsl(207, 50%, 8%)
HSV	hsv(207, 67%, 12%)
CMYK	cmyk(66.7%, 30%, 0%, 88.2%)
CIE-LAB	lab(6.27, -1.34, -7.64)
CIE-LCH	lch(6.27, 7.76, 260.09°)
OKLab	oklab(19.01% -0.0106 -0.022)
OKLCH	oklch(19.01% 0.024 244.3)
XYZ	xyz(0.6276, 0.6946, 1.3290)
Luminance	0.0069 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A151E #1E130A

analogous

#0A1E1D #0A151E #0A0B1E

triadic

#0A151E #1E0A15 #151E0A

tetradic

#0A151E #1D0A1E #1E130A #0B1E0A

square

#0A151E #1D0A1E #1E130A #0B1E0A

split-complementary

#0A151E #1E0A0B #1E1D0A

monochromatic

#081017 #081017 #0A151E #19354C #29557A

Accessibility & contrast

On white

18.44

#0A151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A151E

18.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A151E	#FFFFFF	#000000	##FFFFFF
##0A151E	1.00	18.44	1.14	18.44
#FFFFFF	18.44	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11151E

Deuteranopia (green-blind)

#0F131E

Tritanopia (blue-blind)

#031718

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a151e;
/* rgb */ color: rgb(10, 21, 30);
/* oklch */ color: oklch(19.0% 0.024 244.3);

Tailwind

colors: {
  custom: {
    50: '#4b5259',
    500: '#0a151e',
    950: '#000000',
  },
}

SCSS

$custom: #0a151e;
$custom-light: #4b5259;
$custom-dark: #000000;

JSON

{
  "hex": "#0a151e",
  "rgb": {
    "r": 10,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 207,
    "s": 50,
    "l": 7.843
  },
  "oklch": {
    "l": 0.19006,
    "c": 0.0244,
    "h": 244.3
  },
  "luminance": 0.00695
}

Semantic roles & 50–950 ramp

primary

#0A151E

secondary

#59402B

accent

#8D4EDA

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0A151E

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

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