#0B152E#0B152E

#0B152E is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.2% C 0.052 H 265.6°. Best body text is #FFFFFF at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#0B152E
RGB	rgb(11, 21, 46)
HSL	hsl(223, 61%, 11%)
HSV	hsv(223, 76%, 18%)
CMYK	cmyk(76.1%, 54.3%, 0%, 82%)
CIE-LAB	lab(7.27, 5.45, -18.15)
CIE-LCH	lch(7.27, 18.95, 286.71°)
OKLab	oklab(20.23% -0.004 -0.0519)
OKLCH	oklch(20.23% 0.052 265.6)
XYZ	xyz(0.8991, 0.8047, 2.6922)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B152E #2E240B

analogous

#0B262E #0B152E #120B2E

triadic

#0B152E #2E0B15 #152E0B

tetradic

#0B152E #2E0B26 #2E240B #0B2E12

square

#0B152E #2E0B26 #2E240B #0B2E12

split-complementary

#0B152E #2E120B #262E0B

monochromatic

#060B19 #060B19 #0B152E #172C5F #234291

Accessibility & contrast

On white

18.09

#0B152E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B152E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B152E

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B152E	#FFFFFF	#000000	##FFFFFF
##0B152E	1.00	18.09	1.16	18.09
#FFFFFF	18.09	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#09182F

Deuteranopia (green-blind)

#05152D

Tritanopia (blue-blind)

#001B1F

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b152e;
/* rgb */ color: rgb(11, 21, 46);
/* oklch */ color: oklch(20.2% 0.052 265.6);

Tailwind

colors: {
  custom: {
    50: '#4e5167',
    500: '#0b152e',
    950: '#000000',
  },
}

SCSS

$custom: #0b152e;
$custom-light: #4e5167;
$custom-dark: #000000;

JSON

{
  "hex": "#0b152e",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 46
  },
  "hsl": {
    "h": 222.857,
    "s": 61.404,
    "l": 11.176
  },
  "oklch": {
    "l": 0.20231,
    "c": 0.05206,
    "h": 265.6
  },
  "luminance": 0.00805
}

Semantic roles & 50–950 ramp

primary

#0B152E

secondary

#6A582A

accent

#B643E5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0B152E

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

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