#155B41#155B41

#155B41 is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.1% C 0.081 H 163.6°. Best body text is #FFFFFF at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#155B41
RGB	rgb(21, 91, 65)
HSL	hsl(158, 63%, 22%)
HSV	hsv(158, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 28.6%, 64.3%)
CIE-LAB	lab(34.03, -28.25, 8.97)
CIE-LCH	lch(34.03, 29.64, 162.39°)
OKLab	oklab(42.14% -0.0775 0.0229)
OKLCH	oklch(42.14% 0.081 163.6)
XYZ	xyz(5.0039, 8.0227, 6.2848)
Luminance	0.0802 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B41 #5B152F

analogous

#155B1E #155B41 #15525B

triadic

#155B41 #41155B #5B4115

tetradic

#155B41 #1E155B #5B152F #525B15

square

#155B41 #1E155B #5B152F #525B15

split-complementary

#155B41 #5B1552 #5B1E15

monochromatic

#061912 #0A291D #155B41 #208D65 #2CBE88

Accessibility & contrast

On white

8.06

#155B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#155B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B41

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B41	#FFFFFF	#000000	##FFFFFF
##155B41	1.00	8.06	2.60	8.06
#FFFFFF	8.06	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595440

Deuteranopia (green-blind)

#504D43

Tritanopia (blue-blind)

#005B54

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #155b41;
/* rgb */ color: rgb(21, 91, 65);
/* oklch */ color: oklch(42.1% 0.081 163.6);

Tailwind

colors: {
  custom: {
    50: '#5e8a75',
    500: '#155b41',
    950: '#000000',
  },
}

SCSS

$custom: #155b41;
$custom-light: #5e8a75;
$custom-dark: #000000;

JSON

{
  "hex": "#155b41",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 65
  },
  "hsl": {
    "h": 157.714,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42141,
    "c": 0.08083,
    "h": 163.6
  },
  "luminance": 0.08023
}

Semantic roles & 50–950 ramp

primary

#155B41

secondary

#92395A

accent

#427FE6

background

#F5F8F7

surface

#EAF0ED

border

#C6CBC8

text

#050C08

muted

#797D7B

Preview Lab

Preview with #155B41

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

Preview Lab → · Contrast checker → · Palette generator →