#0B2B3B#0B2B3B

#0B2B3B is a dark, muted cyan. Relative luminance 0.021; OKLCH L 27.4% C 0.047 H 234.1°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B3B
RGB	rgb(11, 43, 59)
HSL	hsl(200, 69%, 14%)
HSV	hsv(200, 81%, 23%)
CMYK	cmyk(81.4%, 27.1%, 0%, 76.9%)
CIE-LAB	lab(16.08, -5.21, -13.59)
CIE-LCH	lch(16.08, 14.55, 249.02°)
OKLab	oklab(27.42% -0.0276 -0.0382)
OKLCH	oklch(27.42% 0.047 234.1)
XYZ	xyz(1.7910, 2.1145, 4.4506)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B3B #3B1B0B

analogous

#0B3B33 #0B2B3B #0B133B

triadic

#0B2B3B #3B0B2B #2B3B0B

tetradic

#0B2B3B #330B3B #3B1B0B #133B0B

square

#0B2B3B #330B3B #3B1B0B #133B0B

split-complementary

#0B2B3B #3B0B13 #3B330B

monochromatic

#05131A #05131A #0B2B3B #15516F #1E76A2

Accessibility & contrast

On white

14.76

#0B2B3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#0B2B3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B3B

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B3B	#FFFFFF	#000000	##FFFFFF
##0B2B3B	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#232B3C

Deuteranopia (green-blind)

#1D263B

Tritanopia (blue-blind)

#002F30

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #0b2b3b;
/* rgb */ color: rgb(11, 43, 59);
/* oklch */ color: oklch(27.4% 0.047 234.1);

Tailwind

colors: {
  custom: {
    50: '#516471',
    500: '#0b2b3b',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b3b;
$custom-light: #516471;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b3b",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 59
  },
  "hsl": {
    "h": 200,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.27421,
    "c": 0.04713,
    "h": 234.1
  },
  "luminance": 0.02115
}

Semantic roles & 50–950 ramp

primary

#0B2B3B

secondary

#78442A

accent

#773CEB

background

#F4F5F6

surface

#E7EAEC

border

#C3C6C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2B3B

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

Preview Lab → · Contrast checker → · Palette generator →