#0B163B#0B163B

#0B163B is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.6% C 0.073 H 267.4°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#0B163B
RGB	rgb(11, 22, 59)
HSL	hsl(226, 69%, 14%)
HSV	hsv(226, 81%, 23%)
CMYK	cmyk(81.4%, 62.7%, 0%, 76.9%)
CIE-LAB	lab(8.66, 10.59, -25.37)
CIE-LCH	lch(8.66, 27.49, 292.66°)
OKLab	oklab(21.65% -0.0033 -0.073)
OKLCH	oklch(21.65% 0.073 267.4)
XYZ	xyz(1.2141, 0.9606, 4.2583)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B163B #3B300B

analogous

#0B2E3B #0B163B #180B3B

triadic

#0B163B #3B0B16 #163B0B

tetradic

#0B163B #3B0B2E #3B300B #0B3B18

square

#0B163B #3B0B2E #3B300B #0B3B18

split-complementary

#0B163B #3B180B #2E3B0B

monochromatic

#050A1A #050A1A #0B163B #15296F #1E3CA2

Accessibility & contrast

On white

17.61

#0B163B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0B163B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B163B

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B163B	#FFFFFF	#000000	##FFFFFF
##0B163B	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001B3C

Deuteranopia (green-blind)

#00173A

Tritanopia (blue-blind)

#001F25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #0b163b;
/* rgb */ color: rgb(11, 22, 59);
/* oklch */ color: oklch(21.6% 0.073 267.4);

Tailwind

colors: {
  custom: {
    50: '#525271',
    500: '#0b163b',
    950: '#000000',
  },
}

SCSS

$custom: #0b163b;
$custom-light: #525271;
$custom-dark: #000000;

JSON

{
  "hex": "#0b163b",
  "rgb": {
    "r": 11,
    "g": 22,
    "b": 59
  },
  "hsl": {
    "h": 226.25,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.21649,
    "c": 0.07309,
    "h": 267.4
  },
  "luminance": 0.00961
}

Semantic roles & 50–950 ramp

primary

#0B163B

secondary

#78662A

accent

#C33CEB

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020208

muted

#78787B

Preview Lab

Preview with #0B163B

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

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