#0B4A39#0B4A39

#0B4A39 is a dark, moderate teal. Relative luminance 0.053; OKLCH L 36.6% C 0.068 H 169.7°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#0B4A39
RGB	rgb(11, 74, 57)
HSL	hsl(164, 74%, 17%)
HSV	hsv(164, 85%, 29%)
CMYK	cmyk(85.1%, 0%, 23%, 71%)
CIE-LAB	lab(27.47, -23.86, 4.74)
CIE-LCH	lch(27.47, 24.33, 168.76°)
OKLab	oklab(36.63% -0.0665 0.0121)
OKLCH	oklch(36.63% 0.068 169.7)
XYZ	xyz(3.3249, 5.2637, 4.7109)
Luminance	0.0526 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4A39 #4A0B1C

analogous

#0B4A1A #0B4A39 #0B3C4A

triadic

#0B4A39 #390B4A #4A390B

tetradic

#0B4A39 #1A0B4A #4A0B1C #3C4A0B

square

#0B4A39 #1A0B4A #4A0B1C #3C4A0B

split-complementary

#0B4A39 #4A0B3C #4A1A0B

monochromatic

#041B15 #041B15 #0B4A39 #137F62 #1BB58B

Accessibility & contrast

On white

10.23

#0B4A39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#0B4A39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4A39

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4A39	#FFFFFF	#000000	##FFFFFF
##0B4A39	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484438

Deuteranopia (green-blind)

#403E3A

Tritanopia (blue-blind)

#004B45

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #0b4a39;
/* rgb */ color: rgb(11, 74, 57);
/* oklch */ color: oklch(36.6% 0.068 169.7);

Tailwind

colors: {
  custom: {
    50: '#577d6f',
    500: '#0b4a39',
    950: '#000000',
  },
}

SCSS

$custom: #0b4a39;
$custom-light: #577d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4a39",
  "rgb": {
    "r": 11,
    "g": 74,
    "b": 57
  },
  "hsl": {
    "h": 163.81,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.36633,
    "c": 0.06756,
    "h": 169.7
  },
  "luminance": 0.05264
}

Semantic roles & 50–950 ramp

primary

#0B4A39

secondary

#862B43

accent

#3769F1

background

#F5F7F6

surface

#E9EEEC

border

#C5C9C7

text

#030907

muted

#787B7A

Preview Lab

Preview with #0B4A39

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

Preview Lab → · Contrast checker → · Palette generator →