#0B0839#0B0839

#0B0839 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.4% C 0.090 H 275.7°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#0B0839
RGB	rgb(11, 8, 57)
HSL	hsl(244, 75%, 13%)
HSV	hsv(244, 86%, 22%)
CMYK	cmyk(80.7%, 86%, 0%, 77.6%)
CIE-LAB	lab(4.88, 18.20, -30.06)
CIE-LCH	lch(4.88, 35.14, 301.19°)
OKLab	oklab(18.43% 0.009 -0.0895)
OKLCH	oklch(18.43% 0.09 275.7)
XYZ	xyz(0.9631, 0.5401, 3.9236)
Luminance	0.0054 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0839 #363908

analogous

#081E39 #0B0839 #230839

triadic

#0B0839 #390B08 #08390B

tetradic

#0B0839 #39081E #363908 #083923

square

#0B0839 #39081E #363908 #083923

split-complementary

#0B0839 #392308 #1E3908

monochromatic

#05041B #05041B #0B0839 #15106F #2017A4

Accessibility & contrast

On white

18.95

#0B0839 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0839 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0839

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0839	#FFFFFF	#000000	##FFFFFF
##0B0839	1.00	18.95	1.11	18.95
#FFFFFF	18.95	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00133A

Deuteranopia (green-blind)

#000E38

Tritanopia (blue-blind)

#001620

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0839;
/* rgb */ color: rgb(11, 8, 57);
/* oklch */ color: oklch(18.4% 0.090 275.7);

Tailwind

colors: {
  custom: {
    50: '#514970',
    500: '#0b0839',
    950: '#000000',
  },
}

SCSS

$custom: #0b0839;
$custom-light: #514970;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0839",
  "rgb": {
    "r": 11,
    "g": 8,
    "b": 57
  },
  "hsl": {
    "h": 243.673,
    "s": 75.385,
    "l": 12.745
  },
  "oklch": {
    "l": 0.18428,
    "c": 0.08997,
    "h": 275.7
  },
  "luminance": 0.0054
}

Semantic roles & 50–950 ramp

primary

#0B0839

secondary

#737825

accent

#F236E6

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0839

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

Preview Lab → · Contrast checker → · Palette generator →