#0B4156#0B4156

#0B4156 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.3% C 0.064 H 229.7°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#0B4156
RGB	rgb(11, 65, 86)
HSL	hsl(197, 77%, 19%)
HSV	hsv(197, 87%, 34%)
CMYK	cmyk(87.2%, 24.4%, 0%, 66.3%)
CIE-LAB	lab(25.33, -8.58, -17.38)
CIE-LCH	lch(25.33, 19.39, 243.72°)
OKLab	oklab(35.26% -0.0414 -0.0489)
OKLCH	oklch(35.26% 0.064 229.7)
XYZ	xyz(3.7073, 4.5232, 9.4800)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4156 #56200B

analogous

#0B5646 #0B4156 #0B1C56

triadic

#0B4156 #560B41 #41560B

tetradic

#0B4156 #460B56 #56200B #1C560B

square

#0B4156 #460B56 #56200B #1C560B

split-complementary

#0B4156 #560B1C #56460B

monochromatic

#03151B #041820 #0B4156 #126A8C #1993C3

Accessibility & contrast

On white

11.02

#0B4156 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#0B4156 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4156

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4156	#FFFFFF	#000000	##FFFFFF
##0B4156	1.00	11.02	1.90	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364057

Deuteranopia (green-blind)

#2C3956

Tritanopia (blue-blind)

#004748

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #0b4156;
/* rgb */ color: rgb(11, 65, 86);
/* oklch */ color: oklch(35.3% 0.064 229.7);

Tailwind

colors: {
  custom: {
    50: '#597585',
    500: '#0b4156',
    950: '#000000',
  },
}

SCSS

$custom: #0b4156;
$custom-light: #597585;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4156",
  "rgb": {
    "r": 11,
    "g": 65,
    "b": 86
  },
  "hsl": {
    "h": 196.8,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.35258,
    "c": 0.06411,
    "h": 229.7
  },
  "luminance": 0.04524
}

Semantic roles & 50–950 ramp

primary

#0B4156

secondary

#91482B

accent

#6A34F4

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0B4156

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

Preview Lab → · Contrast checker → · Palette generator →