#0B3047#0B3047

#0B3047 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.058 H 240.6°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#0B3047
RGB	rgb(11, 48, 71)
HSL	hsl(203, 73%, 16%)
HSV	hsv(203, 85%, 28%)
CMYK	cmyk(84.5%, 32.4%, 0%, 72.2%)
CIE-LAB	lab(18.54, -3.59, -18.00)
CIE-LCH	lch(18.54, 18.35, 258.72°)
OKLab	oklab(29.59% -0.0287 -0.0509)
OKLCH	oklch(29.59% 0.058 240.6)
XYZ	xyz(2.3318, 2.6397, 6.3466)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3047 #47220B

analogous

#0B4740 #0B3047 #0B1247

triadic

#0B3047 #470B30 #30470B

tetradic

#0B3047 #400B47 #47220B #12470B

square

#0B3047 #400B47 #47220B #12470B

split-complementary

#0B3047 #470B12 #47400B

monochromatic

#04121A #04121A #0B3047 #13547C #1B78B1

Accessibility & contrast

On white

13.74

#0B3047 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0B3047 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3047

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3047	#FFFFFF	#000000	##FFFFFF
##0B3047	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253048

Deuteranopia (green-blind)

#1D2B47

Tritanopia (blue-blind)

#003638

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b3047;
/* rgb */ color: rgb(11, 48, 71);
/* oklch */ color: oklch(29.6% 0.058 240.6);

Tailwind

colors: {
  custom: {
    50: '#54687a',
    500: '#0b3047',
    950: '#000000',
  },
}

SCSS

$custom: #0b3047;
$custom-light: #54687a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3047",
  "rgb": {
    "r": 11,
    "g": 48,
    "b": 71
  },
  "hsl": {
    "h": 203,
    "s": 73.171,
    "l": 16.078
  },
  "oklch": {
    "l": 0.29591,
    "c": 0.05842,
    "h": 240.6
  },
  "luminance": 0.0264
}

Semantic roles & 50–950 ramp

primary

#0B3047

secondary

#834D2A

accent

#7E38F0

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030609

muted

#787A7B

Preview Lab

Preview with #0B3047

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

Preview Lab → · Contrast checker → · Palette generator →