#0B0937#0B0937

#0B0937 is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 18.4% C 0.086 H 275.8°. Best body text is #FFFFFF at 18.95:1 contrast (WCAG AA passes).

Color values

HEX	#0B0937
RGB	rgb(11, 9, 55)
HSL	hsl(243, 72%, 13%)
HSV	hsv(243, 84%, 22%)
CMYK	cmyk(80%, 83.6%, 0%, 78.4%)
CIE-LAB	lab(4.90, 16.67, -28.57)
CIE-LCH	lch(4.90, 33.08, 300.27°)
OKLab	oklab(18.37% 0.0087 -0.0851)
OKLCH	oklch(18.37% 0.086 275.8)
XYZ	xyz(0.9251, 0.5423, 3.6696)
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

#0B0937 #353709

analogous

#091E37 #0B0937 #220937

triadic

#0B0937 #370B09 #09370B

tetradic

#0B0937 #37091E #353709 #093722

square

#0B0937 #37091E #353709 #093722

split-complementary

#0B0937 #372209 #1E3709

monochromatic

#05041A #05041A #0B0937 #16126C #201AA0

Accessibility & contrast

On white

18.95

#0B0937 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0B0937 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0937

18.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0937	#FFFFFF	#000000	##FFFFFF
##0B0937	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)

#001338

Deuteranopia (green-blind)

#000F36

Tritanopia (blue-blind)

#00161F

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b0937;
/* rgb */ color: rgb(11, 9, 55);
/* oklch */ color: oklch(18.4% 0.086 275.8);

Tailwind

colors: {
  custom: {
    50: '#514a6e',
    500: '#0b0937',
    950: '#000000',
  },
}

SCSS

$custom: #0b0937;
$custom-light: #514a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0937",
  "rgb": {
    "r": 11,
    "g": 9,
    "b": 55
  },
  "hsl": {
    "h": 242.609,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.18373,
    "c": 0.08558,
    "h": 275.8
  },
  "luminance": 0.00542
}

Semantic roles & 50–950 ramp

primary

#0B0937

secondary

#727527

accent

#EF39E7

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020107

muted

#78777A

Preview Lab

Preview with #0B0937

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

Preview Lab → · Contrast checker → · Palette generator →