#0B4B40#0B4B40

#0B4B40 is a dark, moderate teal. Relative luminance 0.055; OKLCH L 37.2% C 0.064 H 177.8°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#0B4B40
RGB	rgb(11, 75, 64)
HSL	hsl(170, 74%, 17%)
HSV	hsv(170, 85%, 29%)
CMYK	cmyk(85.3%, 0%, 14.7%, 70.6%)
CIE-LAB	lab(28.04, -22.25, 1.04)
CIE-LCH	lch(28.04, 22.27, 177.32°)
OKLab	oklab(37.17% -0.0637 0.0024)
OKLCH	oklch(37.17% 0.064 177.8)
XYZ	xyz(3.5790, 5.4730, 5.7173)
Luminance	0.0547 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4B40 #4B0B16

analogous

#0B4B20 #0B4B40 #0B364B

triadic

#0B4B40 #400B4B #4B400B

tetradic

#0B4B40 #200B4B #4B0B16 #364B0B

square

#0B4B40 #200B4B #4B0B16 #364B0B

split-complementary

#0B4B40 #4B0B36 #4B200B

monochromatic

#041B17 #041B17 #0B4B40 #13806E #1BB69B

Accessibility & contrast

On white

10.03

#0B4B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#0B4B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4B40

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4B40	#FFFFFF	#000000	##FFFFFF
##0B4B40	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484640

Deuteranopia (green-blind)

#3F4041

Tritanopia (blue-blind)

#004C48

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #0b4b40;
/* rgb */ color: rgb(11, 75, 64);
/* oklch */ color: oklch(37.2% 0.064 177.8);

Tailwind

colors: {
  custom: {
    50: '#577e74',
    500: '#0b4b40',
    950: '#000000',
  },
}

SCSS

$custom: #0b4b40;
$custom-light: #577e74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4b40",
  "rgb": {
    "r": 11,
    "g": 75,
    "b": 64
  },
  "hsl": {
    "h": 169.688,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.37166,
    "c": 0.06378,
    "h": 177.8
  },
  "luminance": 0.05473
}

Semantic roles & 50–950 ramp

primary

#0B4B40

secondary

#872B3B

accent

#3757F1

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040A08

muted

#797C7B

Preview Lab

Preview with #0B4B40

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

Preview Lab → · Contrast checker → · Palette generator →