#0B4240#0B4240

#0B4240 is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.5% C 0.054 H 191.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#0B4240
RGB	rgb(11, 66, 64)
HSL	hsl(178, 71%, 15%)
HSV	hsv(178, 83%, 26%)
CMYK	cmyk(83.3%, 0%, 3%, 74.1%)
CIE-LAB	lab(24.76, -17.47, -3.79)
CIE-LCH	lch(24.76, 17.87, 192.23°)
OKLab	oklab(34.49% -0.0531 -0.0106)
OKLCH	oklch(34.49% 0.054 191.2)
XYZ	xyz(3.0112, 4.3374, 5.5280)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4240 #420B0D

analogous

#0B4224 #0B4240 #0B2942

triadic

#0B4240 #400B42 #42400B

tetradic

#0B4240 #240B42 #420B0D #29420B

square

#0B4240 #240B42 #420B0D #29420B

split-complementary

#0B4240 #420B29 #42240B

monochromatic

#041A19 #041A19 #0B4240 #147673 #1CABA6

Accessibility & contrast

On white

11.24

#0B4240 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#0B4240 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4240

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4240	#FFFFFF	#000000	##FFFFFF
##0B4240	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3E40

Deuteranopia (green-blind)

#363840

Tritanopia (blue-blind)

#004441

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #0b4240;
/* rgb */ color: rgb(11, 66, 64);
/* oklch */ color: oklch(34.5% 0.054 191.2);

Tailwind

colors: {
  custom: {
    50: '#557674',
    500: '#0b4240',
    950: '#000000',
  },
}

SCSS

$custom: #0b4240;
$custom-light: #557674;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4240",
  "rgb": {
    "r": 11,
    "g": 66,
    "b": 64
  },
  "hsl": {
    "h": 177.818,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34487,
    "c": 0.05419,
    "h": 191.2
  },
  "luminance": 0.04338
}

Semantic roles & 50–950 ramp

primary

#0B4240

secondary

#7F2A2D

accent

#3A40EE

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B4240

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

Preview Lab → · Contrast checker → · Palette generator →