#0B1127#0B1127

#0B1127 is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.6% C 0.046 H 270.0°. Best body text is #FFFFFF at 18.69:1 contrast (WCAG AA passes).

Color values

HEX	#0B1127
RGB	rgb(11, 17, 39)
HSL	hsl(227, 56%, 10%)
HSV	hsv(227, 72%, 15%)
CMYK	cmyk(71.8%, 56.4%, 0%, 84.7%)
CIE-LAB	lab(5.59, 4.78, -15.56)
CIE-LCH	lch(5.59, 16.28, 287.07°)
OKLab	oklab(18.56% 0 -0.0457)
OKLCH	oklch(18.56% 0.046 270)
XYZ	xyz(0.7045, 0.6185, 2.0013)
Luminance	0.0062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B1127 #27210B

analogous

#0B1F27 #0B1127 #130B27

triadic

#0B1127 #270B11 #11270B

tetradic

#0B1127 #270B1F #27210B #0B2713

square

#0B1127 #270B1F #27210B #0B2713

split-complementary

#0B1127 #27130B #1F270B

monochromatic

#070A18 #070A18 #0B1127 #182657 #263B86

Accessibility & contrast

On white

18.69

#0B1127 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B1127 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B1127

18.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B1127	#FFFFFF	#000000	##FFFFFF
##0B1127	1.00	18.69	1.12	18.69
#FFFFFF	18.69	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#071428

Deuteranopia (green-blind)

#051127

Tritanopia (blue-blind)

#00161A

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0b1127;
/* rgb */ color: rgb(11, 17, 39);
/* oklch */ color: oklch(18.6% 0.046 270.0);

Tailwind

colors: {
  custom: {
    50: '#4c4f61',
    500: '#0b1127',
    950: '#000000',
  },
}

SCSS

$custom: #0b1127;
$custom-light: #4c4f61;
$custom-dark: #000000;

JSON

{
  "hex": "#0b1127",
  "rgb": {
    "r": 11,
    "g": 17,
    "b": 39
  },
  "hsl": {
    "h": 227.143,
    "s": 56,
    "l": 9.804
  },
  "oklch": {
    "l": 0.18563,
    "c": 0.04575,
    "h": 270
  },
  "luminance": 0.00619
}

Semantic roles & 50–950 ramp

primary

#0B1127

secondary

#63572B

accent

#BF49DF

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010105

muted

#777779

Preview Lab

Preview with #0B1127

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

Preview Lab → · Contrast checker → · Palette generator →