#0B2C3B#0B2C3B

#0B2C3B is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.7% C 0.047 H 231.7°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#0B2C3B
RGB	rgb(11, 44, 59)
HSL	hsl(199, 69%, 14%)
HSV	hsv(199, 81%, 23%)
CMYK	cmyk(81.4%, 25.4%, 0%, 76.9%)
CIE-LAB	lab(16.44, -5.89, -13.02)
CIE-LCH	lch(16.44, 14.29, 245.65°)
OKLab	oklab(27.71% -0.0288 -0.0365)
OKLCH	oklch(27.71% 0.047 231.7)
XYZ	xyz(1.8278, 2.1881, 4.4628)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2C3B #3B1A0B

analogous

#0B3B32 #0B2C3B #0B143B

triadic

#0B2C3B #3B0B2C #2C3B0B

tetradic

#0B2C3B #320B3B #3B1A0B #143B0B

square

#0B2C3B #320B3B #3B1A0B #143B0B

split-complementary

#0B2C3B #3B0B14 #3B320B

monochromatic

#05131A #05131A #0B2C3B #15526F #1E79A2

Accessibility & contrast

On white

14.61

#0B2C3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#0B2C3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2C3B

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2C3B	#FFFFFF	#000000	##FFFFFF
##0B2C3B	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#242B3C

Deuteranopia (green-blind)

#1E273B

Tritanopia (blue-blind)

#003031

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0b2c3b;
/* rgb */ color: rgb(11, 44, 59);
/* oklch */ color: oklch(27.7% 0.047 231.7);

Tailwind

colors: {
  custom: {
    50: '#526571',
    500: '#0b2c3b',
    950: '#000000',
  },
}

SCSS

$custom: #0b2c3b;
$custom-light: #526571;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2c3b",
  "rgb": {
    "r": 11,
    "g": 44,
    "b": 59
  },
  "hsl": {
    "h": 198.75,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.27714,
    "c": 0.04656,
    "h": 231.7
  },
  "luminance": 0.02188
}

Semantic roles & 50–950 ramp

primary

#0B2C3B

secondary

#78422A

accent

#733CEB

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020507

muted

#787A7A

Preview Lab

Preview with #0B2C3B

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

Preview Lab → · Contrast checker → · Palette generator →