#0B2339#0B2339

#0B2339 is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 25.0% C 0.051 H 248.9°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#0B2339
RGB	rgb(11, 35, 57)
HSL	hsl(209, 68%, 13%)
HSV	hsv(209, 81%, 22%)
CMYK	cmyk(80.7%, 38.6%, 0%, 77.6%)
CIE-LAB	lab(13.04, -0.38, -16.94)
CIE-LCH	lch(13.04, 16.95, 268.72°)
OKLab	oklab(24.98% -0.0185 -0.048)
OKLCH	oklch(24.98% 0.051 248.9)
XYZ	xyz(1.4773, 1.5685, 4.0950)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2339 #39210B

analogous

#0B3938 #0B2339 #0B0C39

triadic

#0B2339 #390B23 #23390B

tetradic

#0B2339 #380B39 #39210B #0C390B

square

#0B2339 #380B39 #39210B #0C390B

split-complementary

#0B2339 #390B0C #39380B

monochromatic

#05101A #05101A #0B2339 #15426C #1F62A0

Accessibility & contrast

On white

15.98

#0B2339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0B2339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2339

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2339	#FFFFFF	#000000	##FFFFFF
##0B2339	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)

#19243A

Deuteranopia (green-blind)

#132039

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b2339;
/* rgb */ color: rgb(11, 35, 57);
/* oklch */ color: oklch(25.0% 0.051 248.9);

Tailwind

colors: {
  custom: {
    50: '#515d6f',
    500: '#0b2339',
    950: '#000000',
  },
}

SCSS

$custom: #0b2339;
$custom-light: #515d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2339",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 57
  },
  "hsl": {
    "h": 208.696,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24978,
    "c": 0.05149,
    "h": 248.9
  },
  "luminance": 0.01569
}

Semantic roles & 50–950 ramp

primary

#0B2339

secondary

#764E2A

accent

#903DEB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0B2339

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

Preview Lab → · Contrast checker → · Palette generator →