#0B4552#0B4552

#0B4552 is a dark, muted cyan. Relative luminance 0.049; OKLCH L 36.2% C 0.060 H 217.1°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#0B4552
RGB	rgb(11, 69, 82)
HSL	hsl(191, 76%, 18%)
HSV	hsv(191, 87%, 32%)
CMYK	cmyk(86.6%, 15.9%, 0%, 67.8%)
CIE-LAB	lab(26.55, -12.62, -12.89)
CIE-LCH	lch(26.55, 18.04, 225.61°)
OKLab	oklab(36.18% -0.0476 -0.036)
OKLCH	oklch(36.18% 0.06 217.1)
XYZ	xyz(3.7885, 4.9361, 8.7341)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4552 #52180B

analogous

#0B523B #0B4552 #0B2152

triadic

#0B4552 #520B45 #45520B

tetradic

#0B4552 #3B0B52 #52180B #21520B

square

#0B4552 #3B0B52 #52180B #21520B

split-complementary

#0B4552 #520B21 #523B0B

monochromatic

#04171B #04181C #0B4552 #127288 #19A0BE

Accessibility & contrast

On white

10.57

#0B4552 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#0B4552 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4552

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4552	#FFFFFF	#000000	##FFFFFF
##0B4552	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4353

Deuteranopia (green-blind)

#333C52

Tritanopia (blue-blind)

#004A49

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #0b4552;
/* rgb */ color: rgb(11, 69, 82);
/* oklch */ color: oklch(36.2% 0.060 217.1);

Tailwind

colors: {
  custom: {
    50: '#597882',
    500: '#0b4552',
    950: '#000000',
  },
}

SCSS

$custom: #0b4552;
$custom-light: #597882;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4552",
  "rgb": {
    "r": 11,
    "g": 69,
    "b": 82
  },
  "hsl": {
    "h": 190.986,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.36177,
    "c": 0.05969,
    "h": 217.1
  },
  "luminance": 0.04937
}

Semantic roles & 50–950 ramp

primary

#0B4552

secondary

#8E3D2B

accent

#5835F3

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #0B4552

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

Preview Lab → · Contrast checker → · Palette generator →