#0A192B#0A192B

#0A192B is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 21.1% C 0.041 H 254.1°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#0A192B
RGB	rgb(10, 25, 43)
HSL	hsl(213, 62%, 10%)
HSV	hsv(213, 77%, 17%)
CMYK	cmyk(76.7%, 41.9%, 0%, 83.1%)
CIE-LAB	lab(8.43, 0.82, -14.09)
CIE-LCH	lch(8.43, 14.11, 273.32°)
OKLab	oklab(21.07% -0.0114 -0.0399)
OKLCH	oklch(21.07% 0.041 254.1)
XYZ	xyz(0.9087, 0.9341, 2.4174)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A192B #2B1C0A

analogous

#0A292B #0A192B #0B0A2B

triadic

#0A192B #2B0A19 #192B0A

tetradic

#0A192B #2B0A29 #2B1C0A #0A2B0B

square

#0A192B #2B0A29 #2B1C0A #0A2B0B

split-complementary

#0A192B #2B0B0A #292B0A

monochromatic

#060E19 #060E19 #0A192B #16365D #21538E

Accessibility & contrast

On white

17.69

#0A192B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0A192B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A192B

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A192B	#FFFFFF	#000000	##FFFFFF
##0A192B	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#111A2C

Deuteranopia (green-blind)

#0D172B

Tritanopia (blue-blind)

#001D20

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0a192b;
/* rgb */ color: rgb(10, 25, 43);
/* oklch */ color: oklch(21.1% 0.041 254.1);

Tailwind

colors: {
  custom: {
    50: '#4d5564',
    500: '#0a192b',
    950: '#000000',
  },
}

SCSS

$custom: #0a192b;
$custom-light: #4d5564;
$custom-dark: #000000;

JSON

{
  "hex": "#0a192b",
  "rgb": {
    "r": 10,
    "g": 25,
    "b": 43
  },
  "hsl": {
    "h": 212.727,
    "s": 62.264,
    "l": 10.392
  },
  "oklch": {
    "l": 0.21065,
    "c": 0.04146,
    "h": 254.1
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary

#0A192B

secondary

#684B29

accent

#9B42E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010305

muted

#77787A

Preview Lab

Preview with #0A192B

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

Preview Lab → · Contrast checker → · Palette generator →