#0B252B#0B252B

#0B252B is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.7% C 0.033 H 215.3°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#0B252B
RGB	rgb(11, 37, 43)
HSL	hsl(191, 59%, 11%)
HSV	hsv(191, 74%, 17%)
CMYK	cmyk(74.4%, 14%, 0%, 83.1%)
CIE-LAB	lab(13.04, -7.60, -6.95)
CIE-LCH	lch(13.04, 10.30, 222.44°)
OKLab	oklab(24.73% -0.0273 -0.0193)
OKLCH	oklch(24.73% 0.033 215.3)
XYZ	xyz(1.2354, 1.5686, 2.5227)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B252B #2B110B

analogous

#0B2B21 #0B252B #0B152B

triadic

#0B252B #2B0B25 #252B0B

tetradic

#0B252B #210B2B #2B110B #152B0B

square

#0B252B #210B2B #2B110B #152B0B

split-complementary

#0B252B #2B0B15 #2B210B

monochromatic

#061518 #061518 #0B252B #174F5C #24798C

Accessibility & contrast

On white

15.98

#0B252B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0B252B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B252B

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B252B	#FFFFFF	#000000	##FFFFFF
##0B252B	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21242B

Deuteranopia (green-blind)

#1C202B

Tritanopia (blue-blind)

#002727

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b252b;
/* rgb */ color: rgb(11, 37, 43);
/* oklch */ color: oklch(24.7% 0.033 215.3);

Tailwind

colors: {
  custom: {
    50: '#4e5f64',
    500: '#0b252b',
    950: '#000000',
  },
}

SCSS

$custom: #0b252b;
$custom-light: #4e5f64;
$custom-dark: #000000;

JSON

{
  "hex": "#0b252b",
  "rgb": {
    "r": 11,
    "g": 37,
    "b": 43
  },
  "hsl": {
    "h": 191.25,
    "s": 59.259,
    "l": 10.588
  },
  "oklch": {
    "l": 0.24733,
    "c": 0.03341,
    "h": 215.3
  },
  "luminance": 0.01569
}

Semantic roles & 50–950 ramp

primary

#0B252B

secondary

#67362B

accent

#6345E2

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020405

muted

#787979

Preview Lab

Preview with #0B252B

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

Preview Lab → · Contrast checker → · Palette generator →