#0B252F#0B252F

#0B252F is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.9% C 0.037 H 226.4°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#0B252F
RGB	rgb(11, 37, 47)
HSL	hsl(197, 62%, 11%)
HSV	hsv(197, 77%, 18%)
CMYK	cmyk(76.6%, 21.3%, 0%, 81.6%)
CIE-LAB	lab(13.23, -6.02, -9.53)
CIE-LCH	lch(13.23, 11.27, 237.72°)
OKLab	oklab(24.95% -0.0253 -0.0266)
OKLCH	oklch(24.95% 0.037 226.4)
XYZ	xyz(1.3125, 1.5994, 2.9283)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B252F #2F150B

analogous

#0B2F27 #0B252F #0B132F

triadic

#0B252F #2F0B25 #252F0B

tetradic

#0B252F #270B2F #2F150B #132F0B

square

#0B252F #270B2F #2F150B #132F0B

split-complementary

#0B252F #2F0B13 #2F270B

monochromatic

#061419 #061419 #0B252F #174C61 #227392

Accessibility & contrast

On white

15.91

#0B252F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0B252F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B252F

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B252F	#FFFFFF	#000000	##FFFFFF
##0B252F	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202430

Deuteranopia (green-blind)

#1B202F

Tritanopia (blue-blind)

#002828

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b252f;
/* rgb */ color: rgb(11, 37, 47);
/* oklch */ color: oklch(24.9% 0.037 226.4);

Tailwind

colors: {
  custom: {
    50: '#4f5f67',
    500: '#0b252f',
    950: '#000000',
  },
}

SCSS

$custom: #0b252f;
$custom-light: #4f5f67;
$custom-dark: #000000;

JSON

{
  "hex": "#0b252f",
  "rgb": {
    "r": 11,
    "g": 37,
    "b": 47
  },
  "hsl": {
    "h": 196.667,
    "s": 62.069,
    "l": 11.373
  },
  "oklch": {
    "l": 0.24947,
    "c": 0.0367,
    "h": 226.4
  },
  "luminance": 0.016
}

Semantic roles & 50–950 ramp

primary

#0B252F

secondary

#6B3C2A

accent

#7043E5

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0B252F

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

Preview Lab → · Contrast checker → · Palette generator →