#0B142B#0B142B

#0B142B is a very dark, muted blue. Relative luminance 0.007; OKLCH L 19.7% C 0.048 H 266.0°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#0B142B
RGB	rgb(11, 20, 43)
HSL	hsl(223, 59%, 11%)
HSV	hsv(223, 74%, 17%)
CMYK	cmyk(74.4%, 53.5%, 0%, 83.1%)
CIE-LAB	lab(6.74, 4.72, -16.76)
CIE-LCH	lch(6.74, 17.41, 285.73°)
OKLab	oklab(19.71% -0.0033 -0.0481)
OKLCH	oklch(19.71% 0.048 266)
XYZ	xyz(0.8241, 0.7458, 2.3856)
Luminance	0.0075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B142B #2B220B

analogous

#0B242B #0B142B #120B2B

triadic

#0B142B #2B0B14 #142B0B

tetradic

#0B142B #2B0B24 #2B220B #0B2B12

square

#0B142B #2B0B24 #2B220B #0B2B12

split-complementary

#0B142B #2B120B #242B0B

monochromatic

#060B18 #060B18 #0B142B #172B5C #24418C

Accessibility & contrast

On white

18.27

#0B142B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#0B142B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B142B

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B142B	#FFFFFF	#000000	##FFFFFF
##0B142B	1.00	18.27	1.15	18.27
#FFFFFF	18.27	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A162C

Deuteranopia (green-blind)

#06142B

Tritanopia (blue-blind)

#00191D

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #0b142b;
/* rgb */ color: rgb(11, 20, 43);
/* oklch */ color: oklch(19.7% 0.048 266.0);

Tailwind

colors: {
  custom: {
    50: '#4d5164',
    500: '#0b142b',
    950: '#000000',
  },
}

SCSS

$custom: #0b142b;
$custom-light: #4d5164;
$custom-dark: #000000;

JSON

{
  "hex": "#0b142b",
  "rgb": {
    "r": 11,
    "g": 20,
    "b": 43
  },
  "hsl": {
    "h": 223.125,
    "s": 59.259,
    "l": 10.588
  },
  "oklch": {
    "l": 0.19712,
    "c": 0.04823,
    "h": 266
  },
  "luminance": 0.00746
}

Semantic roles & 50–950 ramp

primary

#0B142B

secondary

#67562B

accent

#B645E2

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #0B142B

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

Preview Lab → · Contrast checker → · Palette generator →