#0B4545#0B4545

#0B4545 is a dark, muted teal. Relative luminance 0.048; OKLCH L 35.6% C 0.056 H 194.9°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#0B4545
RGB	rgb(11, 69, 69)
HSL	hsl(180, 73%, 16%)
HSV	hsv(180, 84%, 27%)
CMYK	cmyk(84.1%, 0%, 0%, 72.9%)
CIE-LAB	lab(26.03, -17.40, -5.18)
CIE-LCH	lch(26.03, 18.15, 196.58°)
OKLab	oklab(35.58% -0.054 -0.0144)
OKLCH	oklch(35.58% 0.056 194.9)
XYZ	xyz(3.3398, 4.7567, 6.3712)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4545 #450B0B

analogous

#0B4528 #0B4545 #0B2845

triadic

#0B4545 #450B45 #45450B

tetradic

#0B4545 #280B45 #450B0B #28450B

square

#0B4545 #280B45 #450B0B #28450B

split-complementary

#0B4545 #450B28 #45280B

monochromatic

#041A1A #041A1A #0B4545 #137A7A #1CAFAF

Accessibility & contrast

On white

10.76

#0B4545 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#0B4545 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4545

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4545	#FFFFFF	#000000	##FFFFFF
##0B4545	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404145

Deuteranopia (green-blind)

#383B45

Tritanopia (blue-blind)

#004845

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #0b4545;
/* rgb */ color: rgb(11, 69, 69);
/* oklch */ color: oklch(35.6% 0.056 194.9);

Tailwind

colors: {
  custom: {
    50: '#577978',
    500: '#0b4545',
    950: '#000000',
  },
}

SCSS

$custom: #0b4545;
$custom-light: #577978;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4545",
  "rgb": {
    "r": 11,
    "g": 69,
    "b": 69
  },
  "hsl": {
    "h": 180,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.35581,
    "c": 0.05592,
    "h": 194.9
  },
  "luminance": 0.04757
}

Semantic roles & 50–950 ramp

primary

#0B4545

secondary

#812A2A

accent

#3939EF

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030909

muted

#787B7B

Preview Lab

Preview with #0B4545

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

Preview Lab → · Contrast checker → · Palette generator →