#0B4256#0B4256

#0B4256 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.5% C 0.064 H 228.1°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#0B4256
RGB	rgb(11, 66, 86)
HSL	hsl(196, 77%, 19%)
HSV	hsv(196, 87%, 34%)
CMYK	cmyk(87.2%, 23.3%, 0%, 66.3%)
CIE-LAB	lab(25.68, -9.21, -16.84)
CIE-LCH	lch(25.68, 19.20, 241.32°)
OKLab	oklab(35.54% -0.0425 -0.0474)
OKLCH	oklch(35.54% 0.064 228.1)
XYZ	xyz(3.7652, 4.6390, 9.4993)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4256 #561F0B

analogous

#0B5645 #0B4256 #0B1D56

triadic

#0B4256 #560B42 #42560B

tetradic

#0B4256 #450B56 #561F0B #1D560B

square

#0B4256 #450B56 #561F0B #1D560B

split-complementary

#0B4256 #560B1D #56450B

monochromatic

#03151B #041820 #0B4256 #126C8C #1995C3

Accessibility & contrast

On white

10.89

#0B4256 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#0B4256 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4256

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4256	#FFFFFF	#000000	##FFFFFF
##0B4256	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#374157

Deuteranopia (green-blind)

#2E3A56

Tritanopia (blue-blind)

#004849

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #0b4256;
/* rgb */ color: rgb(11, 66, 86);
/* oklch */ color: oklch(35.5% 0.064 228.1);

Tailwind

colors: {
  custom: {
    50: '#597685',
    500: '#0b4256',
    950: '#000000',
  },
}

SCSS

$custom: #0b4256;
$custom-light: #597685;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4256",
  "rgb": {
    "r": 11,
    "g": 66,
    "b": 86
  },
  "hsl": {
    "h": 196,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.35538,
    "c": 0.06365,
    "h": 228.1
  },
  "luminance": 0.04639
}

Semantic roles & 50–950 ramp

primary

#0B4256

secondary

#91472B

accent

#6734F4

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #0B4256

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

Preview Lab → · Contrast checker → · Palette generator →