#0A252F#0A252F

#0A252F is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.9% C 0.037 H 225.8°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#0A252F
RGB	rgb(10, 37, 47)
HSL	hsl(196, 65%, 11%)
HSV	hsv(196, 79%, 18%)
CMYK	cmyk(78.7%, 21.3%, 0%, 81.6%)
CIE-LAB	lab(13.19, -6.24, -9.60)
CIE-LCH	lch(13.19, 11.45, 236.96°)
OKLab	oklab(24.9% -0.0261 -0.0268)
OKLCH	oklch(24.9% 0.037 225.8)
XYZ	xyz(1.2996, 1.5928, 2.9277)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A252F #2F140A

analogous

#0A2F26 #0A252F #0A122F

triadic

#0A252F #2F0A25 #252F0A

tetradic

#0A252F #260A2F #2F140A #122F0A

square

#0A252F #260A2F #2F140A #122F0A

split-complementary

#0A252F #2F0A12 #2F260A

monochromatic

#051419 #051419 #0A252F #154D61 #1F7494

Accessibility & contrast

On white

15.93

#0A252F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A252F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A252F

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A252F	#FFFFFF	#000000	##FFFFFF
##0A252F	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202430

Deuteranopia (green-blind)

#1A202F

Tritanopia (blue-blind)

#002828

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a252f;
/* rgb */ color: rgb(10, 37, 47);
/* oklch */ color: oklch(24.9% 0.037 225.8);

Tailwind

colors: {
  custom: {
    50: '#4e5f67',
    500: '#0a252f',
    950: '#000000',
  },
}

SCSS

$custom: #0a252f;
$custom-light: #4e5f67;
$custom-dark: #000000;

JSON

{
  "hex": "#0a252f",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 47
  },
  "hsl": {
    "h": 196.216,
    "s": 64.912,
    "l": 11.176
  },
  "oklch": {
    "l": 0.24903,
    "c": 0.03738,
    "h": 225.8
  },
  "luminance": 0.01593
}

Semantic roles & 50–950 ramp

primary

#0A252F

secondary

#6C3B29

accent

#6D40E8

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0A252F

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

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