#0B403F#0B403F

#0B403F is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.053 H 193.0°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#0B403F
RGB	rgb(11, 64, 63)
HSL	hsl(179, 71%, 15%)
HSV	hsv(179, 83%, 25%)
CMYK	cmyk(82.8%, 0%, 1.6%, 74.9%)
CIE-LAB	lab(23.99, -16.70, -4.27)
CIE-LCH	lch(23.99, 17.23, 194.34°)
OKLab	oklab(33.85% -0.0513 -0.0119)
OKLCH	oklch(33.85% 0.053 193)
XYZ	xyz(2.8682, 4.0965, 5.3412)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B403F #400B0C

analogous

#0B4025 #0B403F #0B2740

triadic

#0B403F #3F0B40 #403F0B

tetradic

#0B403F #250B40 #400B0C #27400B

square

#0B403F #250B40 #400B0C #27400B

split-complementary

#0B403F #400B27 #40250B

monochromatic

#041A1A #041A1A #0B403F #147472 #1DA8A6

Accessibility & contrast

On white

11.54

#0B403F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0B403F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B403F

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B403F	#FFFFFF	#000000	##FFFFFF
##0B403F	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3C3F

Deuteranopia (green-blind)

#34373F

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b403f;
/* rgb */ color: rgb(11, 64, 63);
/* oklch */ color: oklch(33.9% 0.053 193.0);

Tailwind

colors: {
  custom: {
    50: '#557574',
    500: '#0b403f',
    950: '#000000',
  },
}

SCSS

$custom: #0b403f;
$custom-light: #557574;
$custom-dark: #000000;

JSON

{
  "hex": "#0b403f",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 178.868,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.3385,
    "c": 0.05266,
    "h": 193
  },
  "luminance": 0.04097
}

Semantic roles & 50–950 ramp

primary

#0B403F

secondary

#7D2A2C

accent

#3A3EED

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B403F

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

Preview Lab → · Contrast checker → · Palette generator →