#0B4450#0B4450

#0B4450 is a dark, muted cyan. Relative luminance 0.048; OKLCH L 35.8% C 0.058 H 215.8°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#0B4450
RGB	rgb(11, 68, 80)
HSL	hsl(190, 76%, 18%)
HSV	hsv(190, 86%, 31%)
CMYK	cmyk(86.3%, 15%, 0%, 68.6%)
CIE-LAB	lab(26.11, -12.78, -12.26)
CIE-LCH	lch(26.11, 17.71, 223.81°)
OKLab	oklab(35.79% -0.0474 -0.0342)
OKLCH	oklch(35.79% 0.058 215.8)
XYZ	xyz(3.6525, 4.7841, 8.3188)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4450 #50170B

analogous

#0B5039 #0B4450 #0B2150

triadic

#0B4450 #500B44 #44500B

tetradic

#0B4450 #390B50 #50170B #21500B

square

#0B4450 #390B50 #50170B #21500B

split-complementary

#0B4450 #500B21 #50390B

monochromatic

#04171B #04171B #0B4450 #127286 #1A9FBC

Accessibility & contrast

On white

10.73

#0B4450 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#0B4450 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4450

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4450	#FFFFFF	#000000	##FFFFFF
##0B4450	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4251

Deuteranopia (green-blind)

#333B50

Tritanopia (blue-blind)

#004848

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #0b4450;
/* rgb */ color: rgb(11, 68, 80);
/* oklch */ color: oklch(35.8% 0.058 215.8);

Tailwind

colors: {
  custom: {
    50: '#587881',
    500: '#0b4450',
    950: '#000000',
  },
}

SCSS

$custom: #0b4450;
$custom-light: #587881;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4450",
  "rgb": {
    "r": 11,
    "g": 68,
    "b": 80
  },
  "hsl": {
    "h": 190.435,
    "s": 75.824,
    "l": 17.843
  },
  "oklch": {
    "l": 0.35792,
    "c": 0.05848,
    "h": 215.8
  },
  "luminance": 0.04785
}

Semantic roles & 50–950 ramp

primary

#0B4450

secondary

#8C3C2B

accent

#5635F2

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #0B4450

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

Preview Lab → · Contrast checker → · Palette generator →