#0B2B39#0B2B39

#0B2B39 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.3% C 0.045 H 230.6°. Best body text is #FFFFFF at 14.80:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B39
RGB	rgb(11, 43, 57)
HSL	hsl(198, 68%, 13%)
HSV	hsv(198, 81%, 22%)
CMYK	cmyk(80.7%, 24.6%, 0%, 77.6%)
CIE-LAB	lab(15.97, -6.04, -12.36)
CIE-LCH	lch(15.97, 13.75, 243.96°)
OKLab	oklab(27.31% -0.0285 -0.0346)
OKLCH	oklch(27.31% 0.045 230.6)
XYZ	xyz(1.7401, 2.0941, 4.1826)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B39 #39190B

analogous

#0B3930 #0B2B39 #0B1439

triadic

#0B2B39 #390B2B #2B390B

tetradic

#0B2B39 #300B39 #39190B #14390B

square

#0B2B39 #300B39 #39190B #14390B

split-complementary

#0B2B39 #390B14 #39300B

monochromatic

#05131A #05131A #0B2B39 #15526C #1F78A0

Accessibility & contrast

On white

14.80

#0B2B39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0B2B39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B39

14.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B39	#FFFFFF	#000000	##FFFFFF
##0B2B39	1.00	14.80	1.42	14.80
#FFFFFF	14.80	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242A3A

Deuteranopia (green-blind)

#1E2639

Tritanopia (blue-blind)

#002F30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b2b39;
/* rgb */ color: rgb(11, 43, 57);
/* oklch */ color: oklch(27.3% 0.045 230.6);

Tailwind

colors: {
  custom: {
    50: '#51646f',
    500: '#0b2b39',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b39;
$custom-light: #51646f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b39",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 57
  },
  "hsl": {
    "h": 198.261,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.27305,
    "c": 0.04486,
    "h": 230.6
  },
  "luminance": 0.02094
}

Semantic roles & 50–950 ramp

primary

#0B2B39

secondary

#76412A

accent

#723DEB

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2B39

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

Preview Lab → · Contrast checker → · Palette generator →