#0B4556#0B4556

#0B4556 is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.4% C 0.063 H 223.0°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#0B4556
RGB	rgb(11, 69, 86)
HSL	hsl(194, 77%, 19%)
HSV	hsv(194, 87%, 34%)
CMYK	cmyk(87.2%, 19.8%, 0%, 66.3%)
CIE-LAB	lab(26.73, -11.07, -15.21)
CIE-LCH	lch(26.73, 18.81, 233.97°)
OKLab	oklab(36.38% -0.0458 -0.0427)
OKLCH	oklch(36.38% 0.063 223)
XYZ	xyz(3.9451, 4.9988, 9.5592)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4556 #561C0B

analogous

#0B5642 #0B4556 #0B2056

triadic

#0B4556 #560B45 #45560B

tetradic

#0B4556 #420B56 #561C0B #20560B

square

#0B4556 #420B56 #561C0B #20560B

split-complementary

#0B4556 #560B20 #56420B

monochromatic

#03161B #041920 #0B4556 #12718C #199CC3

Accessibility & contrast

On white

10.50

#0B4556 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#0B4556 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4556

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4556	#FFFFFF	#000000	##FFFFFF
##0B4556	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4357

Deuteranopia (green-blind)

#313C56

Tritanopia (blue-blind)

#004A4B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #0b4556;
/* rgb */ color: rgb(11, 69, 86);
/* oklch */ color: oklch(36.4% 0.063 223.0);

Tailwind

colors: {
  custom: {
    50: '#597885',
    500: '#0b4556',
    950: '#000000',
  },
}

SCSS

$custom: #0b4556;
$custom-light: #597885;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4556",
  "rgb": {
    "r": 11,
    "g": 69,
    "b": 86
  },
  "hsl": {
    "h": 193.6,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.3638,
    "c": 0.06258,
    "h": 223
  },
  "luminance": 0.04999
}

Semantic roles & 50–950 ramp

primary

#0B4556

secondary

#91422B

accent

#5F34F4

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04090B

muted

#797B7C

Preview Lab

Preview with #0B4556

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

Preview Lab → · Contrast checker → · Palette generator →