#0B2B37#0B2B37

#0B2B37 is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.2% C 0.043 H 226.6°. Best body text is #FFFFFF at 14.84:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B37
RGB	rgb(11, 43, 55)
HSL	hsl(196, 67%, 13%)
HSV	hsv(196, 80%, 22%)
CMYK	cmyk(80%, 21.8%, 0%, 78.4%)
CIE-LAB	lab(15.87, -6.85, -11.11)
CIE-LCH	lch(15.87, 13.06, 238.33°)
OKLab	oklab(27.19% -0.0294 -0.0311)
OKLCH	oklch(27.19% 0.043 226.6)
XYZ	xyz(1.6912, 2.0746, 3.9250)
Luminance	0.0208 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B37 #37170B

analogous

#0B372D #0B2B37 #0B1537

triadic

#0B2B37 #370B2B #2B370B

tetradic

#0B2B37 #2D0B37 #37170B #15370B

square

#0B2B37 #2D0B37 #37170B #15370B

split-complementary

#0B2B37 #370B15 #372D0B

monochromatic

#05141A #05141A #0B2B37 #15536A #1F7B9D

Accessibility & contrast

On white

14.84

#0B2B37 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0B2B37 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B37

14.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B37	#FFFFFF	#000000	##FFFFFF
##0B2B37	1.00	14.84	1.42	14.84
#FFFFFF	14.84	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#252A38

Deuteranopia (green-blind)

#1E2637

Tritanopia (blue-blind)

#002E2F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #0b2b37;
/* rgb */ color: rgb(11, 43, 55);
/* oklch */ color: oklch(27.2% 0.043 226.6);

Tailwind

colors: {
  custom: {
    50: '#51646d',
    500: '#0b2b37',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b37;
$custom-light: #51646d;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b37",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 55
  },
  "hsl": {
    "h": 196.364,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.27192,
    "c": 0.04279,
    "h": 226.6
  },
  "luminance": 0.02075
}

Semantic roles & 50–950 ramp

primary

#0B2B37

secondary

#743E2A

accent

#6D3EEA

background

#F4F5F6

surface

#E7EAEB

border

#C3C6C6

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2B37

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

Preview Lab → · Contrast checker → · Palette generator →