#0B4040#0B4040

#0B4040 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.053 H 195.0°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#0B4040
RGB	rgb(11, 64, 64)
HSL	hsl(180, 71%, 15%)
HSV	hsv(180, 83%, 25%)
CMYK	cmyk(82.8%, 0%, 0%, 74.9%)
CIE-LAB	lab(24.02, -16.35, -4.88)
CIE-LCH	lch(24.02, 17.06, 196.61°)
OKLab	oklab(33.89% -0.0508 -0.0136)
OKLCH	oklch(33.89% 0.053 195)
XYZ	xyz(2.8964, 4.1078, 5.4897)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4040 #400B0B

analogous

#0B4026 #0B4040 #0B2640

triadic

#0B4040 #400B40 #40400B

tetradic

#0B4040 #260B40 #400B0B #26400B

square

#0B4040 #260B40 #400B0B #26400B

split-complementary

#0B4040 #400B26 #40260B

monochromatic

#041A1A #041A1A #0B4040 #147474 #1DA8A8

Accessibility & contrast

On white

11.53

#0B4040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0B4040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4040

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4040	#FFFFFF	#000000	##FFFFFF
##0B4040	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3C40

Deuteranopia (green-blind)

#333740

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b4040;
/* rgb */ color: rgb(11, 64, 64);
/* oklch */ color: oklch(33.9% 0.053 195.0);

Tailwind

colors: {
  custom: {
    50: '#557574',
    500: '#0b4040',
    950: '#000000',
  },
}

SCSS

$custom: #0b4040;
$custom-light: #557574;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4040",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 64
  },
  "hsl": {
    "h": 180,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33892,
    "c": 0.05255,
    "h": 195
  },
  "luminance": 0.04108
}

Semantic roles & 50–950 ramp

primary

#0B4040

secondary

#7D2A2A

accent

#3A3AED

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B4040

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

Preview Lab → · Contrast checker → · Palette generator →