#155B42#155B42

#155B42 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.2% C 0.080 H 164.5°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#155B42
RGB	rgb(21, 91, 66)
HSL	hsl(159, 63%, 22%)
HSV	hsv(159, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 27.5%, 64.3%)
CIE-LAB	lab(34.05, -27.99, 8.38)
CIE-LCH	lch(34.05, 29.22, 163.33°)
OKLab	oklab(42.17% -0.077 0.0214)
OKLCH	oklch(42.17% 0.08 164.5)
XYZ	xyz(5.0332, 8.0344, 6.4387)
Luminance	0.0804 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B42 #5B152E

analogous

#155B1F #155B42 #15515B

triadic

#155B42 #42155B #5B4215

tetradic

#155B42 #1F155B #5B152E #515B15

square

#155B42 #1F155B #5B152E #515B15

split-complementary

#155B42 #5B1551 #5B1F15

monochromatic

#061912 #0A291E #155B42 #208D66 #2CBE8A

Accessibility & contrast

On white

8.06

#155B42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#155B42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B42

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B42	#FFFFFF	#000000	##FFFFFF
##155B42	1.00	8.06	2.61	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595441

Deuteranopia (green-blind)

#504D44

Tritanopia (blue-blind)

#005B54

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #155b42;
/* rgb */ color: rgb(21, 91, 66);
/* oklch */ color: oklch(42.2% 0.080 164.5);

Tailwind

colors: {
  custom: {
    50: '#5e8a76',
    500: '#155b42',
    950: '#000000',
  },
}

SCSS

$custom: #155b42;
$custom-light: #5e8a76;
$custom-dark: #000000;

JSON

{
  "hex": "#155b42",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 66
  },
  "hsl": {
    "h": 158.571,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42169,
    "c": 0.07991,
    "h": 164.5
  },
  "luminance": 0.08035
}

Semantic roles & 50–950 ramp

primary

#155B42

secondary

#923959

accent

#427DE6

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155B42

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

Preview Lab → · Contrast checker → · Palette generator →