#0B152D#0B152D

#0B152D is a very dark, muted blue. Relative luminance 0.008; OKLCH L 20.1% C 0.050 H 265.2°. Best body text is #FFFFFF at 18.11:1 contrast (WCAG AA passes).

Color values

HEX	#0B152D
RGB	rgb(11, 21, 45)
HSL	hsl(222, 61%, 11%)
HSV	hsv(222, 76%, 18%)
CMYK	cmyk(75.6%, 53.3%, 0%, 82.4%)
CIE-LAB	lab(7.20, 4.99, -17.52)
CIE-LCH	lch(7.20, 18.21, 285.89°)
OKLab	oklab(20.15% -0.0042 -0.0501)
OKLCH	oklch(20.15% 0.05 265.2)
XYZ	xyz(0.8797, 0.7969, 2.5896)
Luminance	0.0080 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B152D #2D230B

analogous

#0B262D #0B152D #120B2D

triadic

#0B152D #2D0B15 #152D0B

tetradic

#0B152D #2D0B26 #2D230B #0B2D12

square

#0B152D #2D0B26 #2D230B #0B2D12

split-complementary

#0B152D #2D120B #262D0B

monochromatic

#060B19 #060B19 #0B152D #172C5E #23438F

Accessibility & contrast

On white

18.11

#0B152D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#0B152D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B152D

18.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B152D	#FFFFFF	#000000	##FFFFFF
##0B152D	1.00	18.11	1.16	18.11
#FFFFFF	18.11	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A182E

Deuteranopia (green-blind)

#06142C

Tritanopia (blue-blind)

#001A1E

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0b152d;
/* rgb */ color: rgb(11, 21, 45);
/* oklch */ color: oklch(20.1% 0.050 265.2);

Tailwind

colors: {
  custom: {
    50: '#4e5166',
    500: '#0b152d',
    950: '#000000',
  },
}

SCSS

$custom: #0b152d;
$custom-light: #4e5166;
$custom-dark: #000000;

JSON

{
  "hex": "#0b152d",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 45
  },
  "hsl": {
    "h": 222.353,
    "s": 60.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.20149,
    "c": 0.05027,
    "h": 265.2
  },
  "luminance": 0.00797
}

Semantic roles & 50–950 ramp

primary

#0B152D

secondary

#69572A

accent

#B544E4

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0B152D

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

Preview Lab → · Contrast checker → · Palette generator →