#0A252E#0A252E

#0A252E is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.8% C 0.036 H 223.3°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#0A252E
RGB	rgb(10, 37, 46)
HSL	hsl(195, 64%, 11%)
HSV	hsv(195, 78%, 18%)
CMYK	cmyk(78.3%, 19.6%, 0%, 82%)
CIE-LAB	lab(13.14, -6.64, -8.96)
CIE-LCH	lch(13.14, 11.15, 233.43°)
OKLab	oklab(24.85% -0.0265 -0.025)
OKLCH	oklch(24.85% 0.036 223.3)
XYZ	xyz(1.2797, 1.5848, 2.8227)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A252E #2E130A

analogous

#0A2E25 #0A252E #0A132E

triadic

#0A252E #2E0A25 #252E0A

tetradic

#0A252E #250A2E #2E130A #132E0A

square

#0A252E #250A2E #2E130A #132E0A

split-complementary

#0A252E #2E0A13 #2E250A

monochromatic

#051419 #051419 #0A252E #154D60 #207693

Accessibility & contrast

On white

15.95

#0A252E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A252E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A252E

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A252E	#FFFFFF	#000000	##FFFFFF
##0A252E	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20242E

Deuteranopia (green-blind)

#1B202E

Tritanopia (blue-blind)

#002828

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a252e;
/* rgb */ color: rgb(10, 37, 46);
/* oklch */ color: oklch(24.8% 0.036 223.3);

Tailwind

colors: {
  custom: {
    50: '#4e5f66',
    500: '#0a252e',
    950: '#000000',
  },
}

SCSS

$custom: #0a252e;
$custom-light: #4e5f66;
$custom-dark: #000000;

JSON

{
  "hex": "#0a252e",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 46
  },
  "hsl": {
    "h": 195,
    "s": 64.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.24848,
    "c": 0.03645,
    "h": 223.3
  },
  "luminance": 0.01585
}

Semantic roles & 50–950 ramp

primary

#0A252E

secondary

#6B3929

accent

#6A41E7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0A252E

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

Preview Lab → · Contrast checker → · Palette generator →