#0B0C19#0B0C19

#0B0C19 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 16.1% C 0.027 H 279.5°. Best body text is #FFFFFF at 19.43:1 contrast (WCAG AA passes).

Color values

HEX	#0B0C19
RGB	rgb(11, 12, 25)
HSL	hsl(236, 39%, 7%)
HSV	hsv(236, 56%, 10%)
CMYK	cmyk(56%, 52%, 0%, 90.2%)
CIE-LAB	lab(3.65, 2.48, -7.64)
CIE-LCH	lch(3.65, 8.03, 288.02°)
OKLab	oklab(16.08% 0.0045 -0.0271)
OKLCH	oklch(16.08% 0.027 279.5)
XYZ	xyz(0.4449, 0.4043, 0.9741)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B0C19 #19180B

analogous

#0B1319 #0B0C19 #110B19

triadic

#0B0C19 #190B0C #0C190B

tetradic

#0B0C19 #190B13 #19180B #0B1911

square

#0B0C19 #190B13 #19180B #0B1911

split-complementary

#0B0C19 #19110B #13190B

monochromatic

#090A15 #090A15 #0B0C19 #1E2044 #30356E

Accessibility & contrast

On white

19.43

#0B0C19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#0B0C19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B0C19

19.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B0C19	#FFFFFF	#000000	##FFFFFF
##0B0C19	1.00	19.43	1.08	19.43
#FFFFFF	19.43	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080E1A

Deuteranopia (green-blind)

#070D19

Tritanopia (blue-blind)

#070F11

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #0b0c19;
/* rgb */ color: rgb(11, 12, 25);
/* oklch */ color: oklch(16.1% 0.027 279.5);

Tailwind

colors: {
  custom: {
    50: '#4b4c55',
    500: '#0b0c19',
    950: '#000000',
  },
}

SCSS

$custom: #0b0c19;
$custom-light: #4b4c55;
$custom-dark: #000000;

JSON

{
  "hex": "#0b0c19",
  "rgb": {
    "r": 11,
    "g": 12,
    "b": 25
  },
  "hsl": {
    "h": 235.714,
    "s": 38.889,
    "l": 7.059
  },
  "oklch": {
    "l": 0.1608,
    "c": 0.02744,
    "h": 279.5
  },
  "luminance": 0.00404
}

Semantic roles & 50–950 ramp

primary

#0B0C19

secondary

#514F2F

accent

#C659CF

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010103

muted

#777778

Preview Lab

Preview with #0B0C19

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

Preview Lab → · Contrast checker → · Palette generator →