#0B313E#0B313E

#0B313E is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.048 H 225.0°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#0B313E
RGB	rgb(11, 49, 62)
HSL	hsl(195, 70%, 14%)
HSV	hsv(195, 82%, 24%)
CMYK	cmyk(82.3%, 21%, 0%, 75.7%)
CIE-LAB	lab(18.43, -7.99, -12.02)
CIE-LCH	lch(18.43, 14.43, 236.38°)
OKLab	oklab(29.35% -0.0336 -0.0336)
OKLCH	oklch(29.35% 0.048 225)
XYZ	xyz(2.1055, 2.6153, 4.9503)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B313E #3E180B

analogous

#0B3E32 #0B313E #0B183E

triadic

#0B313E #3E0B31 #313E0B

tetradic

#0B313E #320B3E #3E180B #183E0B

square

#0B313E #320B3E #3E180B #183E0B

split-complementary

#0B313E #3E0B18 #3E320B

monochromatic

#05151A #05151A #0B313E #145A72 #1D83A6

Accessibility & contrast

On white

13.79

#0B313E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0B313E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B313E

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B313E	#FFFFFF	#000000	##FFFFFF
##0B313E	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303F

Deuteranopia (green-blind)

#232B3E

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b313e;
/* rgb */ color: rgb(11, 49, 62);
/* oklch */ color: oklch(29.4% 0.048 225.0);

Tailwind

colors: {
  custom: {
    50: '#536973',
    500: '#0b313e',
    950: '#000000',
  },
}

SCSS

$custom: #0b313e;
$custom-light: #536973;
$custom-dark: #000000;

JSON

{
  "hex": "#0b313e",
  "rgb": {
    "r": 11,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 195.294,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.29352,
    "c": 0.04757,
    "h": 225
  },
  "luminance": 0.02616
}

Semantic roles & 50–950 ramp

primary

#0B313E

secondary

#7B3F2A

accent

#683BED

background

#F4F6F6

surface

#E8EBEC

border

#C4C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B313E

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

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