#0B4139#0B4139

#0B4139 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.056 H 180.5°. Best body text is #FFFFFF at 11.48:1 contrast (WCAG AA passes).

Color values

HEX	#0B4139
RGB	rgb(11, 65, 57)
HSL	hsl(171, 71%, 15%)
HSV	hsv(171, 83%, 25%)
CMYK	cmyk(83.1%, 0%, 12.3%, 74.5%)
CIE-LAB	lab(24.15, -19.26, -0.05)
CIE-LCH	lch(24.15, 19.26, 180.14°)
OKLab	oklab(33.91% -0.0558 -0.0004)
OKLCH	oklch(33.91% 0.056 180.5)
XYZ	xyz(2.7665, 4.1468, 4.5247)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4139 #410B13

analogous

#0B411E #0B4139 #0B2E41

triadic

#0B4139 #390B41 #41390B

tetradic

#0B4139 #1E0B41 #410B13 #2E410B

square

#0B4139 #1E0B41 #410B13 #2E410B

split-complementary

#0B4139 #410B2E #411E0B

monochromatic

#041A17 #041A17 #0B4139 #147567 #1DAA95

Accessibility & contrast

On white

11.48

#0B4139 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#0B4139 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4139

11.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4139	#FFFFFF	#000000	##FFFFFF
##0B4139	1.00	11.48	1.83	11.48
#FFFFFF	11.48	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D39

Deuteranopia (green-blind)

#36373A

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b4139;
/* rgb */ color: rgb(11, 65, 57);
/* oklch */ color: oklch(33.9% 0.056 180.5);

Tailwind

colors: {
  custom: {
    50: '#54766f',
    500: '#0b4139',
    950: '#000000',
  },
}

SCSS

$custom: #0b4139;
$custom-light: #54766f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4139",
  "rgb": {
    "r": 11,
    "g": 65,
    "b": 57
  },
  "hsl": {
    "h": 171.111,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.33914,
    "c": 0.05579,
    "h": 180.5
  },
  "luminance": 0.04147
}

Semantic roles & 50–950 ramp

primary

#0B4139

secondary

#7E2A37

accent

#3A55EE

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0B4139

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

Preview Lab → · Contrast checker → · Palette generator →