#0B151E#0B151E

#0B151E is a very dark, muted cyan. Relative luminance 0.007; OKLCH L 19.1% C 0.024 H 246.6°. Best body text is #FFFFFF at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#0B151E
RGB	rgb(11, 21, 30)
HSL	hsl(208, 46%, 8%)
HSV	hsv(208, 63%, 12%)
CMYK	cmyk(63.3%, 30%, 0%, 88.2%)
CIE-LAB	lab(6.33, -1.07, -7.55)
CIE-LCH	lch(6.33, 7.62, 261.95°)
OKLab	oklab(19.08% -0.0094 -0.0216)
OKLCH	oklch(19.08% 0.024 246.6)
XYZ	xyz(0.6404, 0.7012, 1.3296)
Luminance	0.0070 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B151E #1E140B

analogous

#0B1E1D #0B151E #0B0B1E

triadic

#0B151E #1E0B15 #151E0B

tetradic

#0B151E #1D0B1E #1E140B #0B1E0B

square

#0B151E #1D0B1E #1E140B #0B1E0B

split-complementary

#0B151E #1E0B0B #1E1D0B

monochromatic

#081016 #081016 #0B151E #1B344B #2C5478

Accessibility & contrast

On white

18.42

#0B151E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0B151E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B151E

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B151E	#FFFFFF	#000000	##FFFFFF
##0B151E	1.00	18.42	1.14	18.42
#FFFFFF	18.42	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11151E

Deuteranopia (green-blind)

#0F131E

Tritanopia (blue-blind)

#041718

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0b151e;
/* rgb */ color: rgb(11, 21, 30);
/* oklch */ color: oklch(19.1% 0.024 246.6);

Tailwind

colors: {
  custom: {
    50: '#4b5259',
    500: '#0b151e',
    950: '#000000',
  },
}

SCSS

$custom: #0b151e;
$custom-light: #4b5259;
$custom-dark: #000000;

JSON

{
  "hex": "#0b151e",
  "rgb": {
    "r": 11,
    "g": 21,
    "b": 30
  },
  "hsl": {
    "h": 208.421,
    "s": 46.341,
    "l": 8.039
  },
  "oklch": {
    "l": 0.1908,
    "c": 0.02359,
    "h": 246.6
  },
  "luminance": 0.00701
}

Semantic roles & 50–950 ramp

primary

#0B151E

secondary

#58412D

accent

#9052D6

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0B151E

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

Preview Lab → · Contrast checker → · Palette generator →