#0B303E#0B303E

#0B303E is a dark, muted cyan. Relative luminance 0.025; OKLCH L 29.1% C 0.048 H 227.4°. Best body text is #FFFFFF at 13.94:1 contrast (WCAG AA passes).

Color values

HEX	#0B303E
RGB	rgb(11, 48, 62)
HSL	hsl(196, 70%, 14%)
HSV	hsv(196, 82%, 24%)
CMYK	cmyk(82.3%, 22.6%, 0%, 75.7%)
CIE-LAB	lab(18.07, -7.34, -12.58)
CIE-LCH	lch(18.07, 14.56, 239.76°)
OKLab	oklab(29.06% -0.0324 -0.0353)
OKLCH	oklch(29.06% 0.048 227.4)
XYZ	xyz(2.0641, 2.5326, 4.9366)
Luminance	0.0253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B303E #3E190B

analogous

#0B3E33 #0B303E #0B173E

triadic

#0B303E #3E0B30 #303E0B

tetradic

#0B303E #330B3E #3E190B #173E0B

square

#0B303E #330B3E #3E190B #173E0B

split-complementary

#0B303E #3E0B17 #3E330B

monochromatic

#05141A #05141A #0B303E #145872 #1D80A6

Accessibility & contrast

On white

13.94

#0B303E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#0B303E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B303E

13.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B303E	#FFFFFF	#000000	##FFFFFF
##0B303E	1.00	13.94	1.51	13.94
#FFFFFF	13.94	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292F3F

Deuteranopia (green-blind)

#222A3E

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #0b303e;
/* rgb */ color: rgb(11, 48, 62);
/* oklch */ color: oklch(29.1% 0.048 227.4);

Tailwind

colors: {
  custom: {
    50: '#536873',
    500: '#0b303e',
    950: '#000000',
  },
}

SCSS

$custom: #0b303e;
$custom-light: #536873;
$custom-dark: #000000;

JSON

{
  "hex": "#0b303e",
  "rgb": {
    "r": 11,
    "g": 48,
    "b": 62
  },
  "hsl": {
    "h": 196.471,
    "s": 69.863,
    "l": 14.314
  },
  "oklch": {
    "l": 0.29058,
    "c": 0.04791,
    "h": 227.4
  },
  "luminance": 0.02533
}

Semantic roles & 50–950 ramp

primary

#0B303E

secondary

#7B402A

accent

#6C3BED

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B303E

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

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