#0B3956#0B3956

#0B3956 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.0% C 0.070 H 241.9°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#0B3956
RGB	rgb(11, 57, 86)
HSL	hsl(203, 77%, 19%)
HSV	hsv(203, 87%, 34%)
CMYK	cmyk(87.2%, 33.7%, 0%, 66.3%)
CIE-LAB	lab(22.55, -3.35, -21.74)
CIE-LCH	lch(22.55, 22.00, 261.23°)
OKLab	oklab(33.04% -0.0329 -0.0617)
OKLCH	oklch(33.04% 0.07 241.9)
XYZ	xyz(3.2802, 3.6689, 9.3376)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3956 #56280B

analogous

#0B564E #0B3956 #0B1456

triadic

#0B3956 #560B39 #39560B

tetradic

#0B3956 #4E0B56 #56280B #14560B

square

#0B3956 #4E0B56 #56280B #14560B

split-complementary

#0B3956 #560B14 #564E0B

monochromatic

#03121B #041520 #0B3956 #125D8C #1981C3

Accessibility & contrast

On white

12.11

#0B3956 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#0B3956 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3956

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3956	#FFFFFF	#000000	##FFFFFF
##0B3956	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3A57

Deuteranopia (green-blind)

#213355

Tritanopia (blue-blind)

#004043

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #0b3956;
/* rgb */ color: rgb(11, 57, 86);
/* oklch */ color: oklch(33.0% 0.070 241.9);

Tailwind

colors: {
  custom: {
    50: '#586f86',
    500: '#0b3956',
    950: '#000000',
  },
}

SCSS

$custom: #0b3956;
$custom-light: #586f86;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3956",
  "rgb": {
    "r": 11,
    "g": 57,
    "b": 86
  },
  "hsl": {
    "h": 203.2,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33041,
    "c": 0.0699,
    "h": 241.9
  },
  "luminance": 0.03669
}

Semantic roles & 50–950 ramp

primary

#0B3956

secondary

#91532B

accent

#7E34F4

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #0B3956

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

Preview Lab → · Contrast checker → · Palette generator →