#0B4540#0B4540

#0B4540 is a dark, muted teal. Relative luminance 0.047; OKLCH L 35.4% C 0.057 H 186.2°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#0B4540
RGB	rgb(11, 69, 64)
HSL	hsl(175, 73%, 16%)
HSV	hsv(175, 84%, 27%)
CMYK	cmyk(84.1%, 0%, 7.2%, 72.9%)
CIE-LAB	lab(25.85, -19.10, -2.16)
CIE-LCH	lch(25.85, 19.23, 186.46°)
OKLab	oklab(35.38% -0.0567 -0.0062)
OKLCH	oklch(35.38% 0.057 186.2)
XYZ	xyz(3.1911, 4.6972, 5.5880)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4540 #450B10

analogous

#0B4523 #0B4540 #0B2D45

triadic

#0B4540 #400B45 #45400B

tetradic

#0B4540 #230B45 #450B10 #2D450B

square

#0B4540 #230B45 #450B10 #2D450B

split-complementary

#0B4540 #450B2D #45230B

monochromatic

#041A18 #041A18 #0B4540 #137A71 #1CAFA2

Accessibility & contrast

On white

10.83

#0B4540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#0B4540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4540

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4540	#FFFFFF	#000000	##FFFFFF
##0B4540	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414140

Deuteranopia (green-blind)

#393B41

Tritanopia (blue-blind)

#004743

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #0b4540;
/* rgb */ color: rgb(11, 69, 64);
/* oklch */ color: oklch(35.4% 0.057 186.2);

Tailwind

colors: {
  custom: {
    50: '#567974',
    500: '#0b4540',
    950: '#000000',
  },
}

SCSS

$custom: #0b4540;
$custom-light: #567974;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4540",
  "rgb": {
    "r": 11,
    "g": 69,
    "b": 64
  },
  "hsl": {
    "h": 174.828,
    "s": 72.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.3538,
    "c": 0.05704,
    "h": 186.2
  },
  "luminance": 0.04698
}

Semantic roles & 50–950 ramp

primary

#0B4540

secondary

#812A32

accent

#3948EF

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030908

muted

#787B7B

Preview Lab

Preview with #0B4540

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

Preview Lab → · Contrast checker → · Palette generator →