#0B192A#0B192A

#0B192A is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 21.1% C 0.039 H 254.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#0B192A
RGB	rgb(11, 25, 42)
HSL	hsl(213, 58%, 10%)
HSV	hsv(213, 74%, 16%)
CMYK	cmyk(73.8%, 40.5%, 0%, 83.5%)
CIE-LAB	lab(8.42, 0.63, -13.36)
CIE-LCH	lch(8.42, 13.37, 272.72°)
OKLab	oklab(21.06% -0.0107 -0.0377)
OKLCH	oklch(21.06% 0.039 254.2)
XYZ	xyz(0.9034, 0.9335, 2.3226)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B192A #2A1C0B

analogous

#0B282A #0B192A #0C0B2A

triadic

#0B192A #2A0B19 #192A0B

tetradic

#0B192A #2A0B28 #2A1C0B #0B2A0C

square

#0B192A #2A0B28 #2A1C0B #0B2A0C

split-complementary

#0B192A #2A0C0B #282A0B

monochromatic

#060E18 #060E18 #0B192A #18365A #24538B

Accessibility & contrast

On white

17.69

#0B192A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B192A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B192A

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B192A	#FFFFFF	#000000	##FFFFFF
##0B192A	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)

#121A2B

Deuteranopia (green-blind)

#0E172A

Tritanopia (blue-blind)

#001D1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0b192a;
/* rgb */ color: rgb(11, 25, 42);
/* oklch */ color: oklch(21.1% 0.039 254.2);

Tailwind

colors: {
  custom: {
    50: '#4d5563',
    500: '#0b192a',
    950: '#000000',
  },
}

SCSS

$custom: #0b192a;
$custom-light: #4d5563;
$custom-dark: #000000;

JSON

{
  "hex": "#0b192a",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 42
  },
  "hsl": {
    "h": 212.903,
    "s": 58.491,
    "l": 10.392
  },
  "oklch": {
    "l": 0.21056,
    "c": 0.03919,
    "h": 254.2
  },
  "luminance": 0.00934
}

Semantic roles & 50–950 ramp

primary

#0B192A

secondary

#664B2B

accent

#9B46E2

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010305

muted

#777879

Preview Lab

Preview with #0B192A

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

Preview Lab → · Contrast checker → · Palette generator →