#155B52#155B52

#155B52 is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.7% C 0.068 H 182.5°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#155B52
RGB	rgb(21, 91, 82)
HSL	hsl(172, 63%, 22%)
HSV	hsv(172, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 9.9%, 64.3%)
CIE-LAB	lab(34.50, -23.42, -0.95)
CIE-LCH	lch(34.50, 23.44, 182.32°)
OKLab	oklab(42.68% -0.0684 -0.0029)
OKLCH	oklch(42.68% 0.068 182.5)
XYZ	xyz(5.5726, 8.2501, 9.2797)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B52 #5B151E

analogous

#155B2F #155B52 #15415B

triadic

#155B52 #52155B #5B5215

tetradic

#155B52 #2F155B #5B151E #415B15

square

#155B52 #2F155B #5B151E #415B15

split-complementary

#155B52 #5B1541 #5B2F15

monochromatic

#061916 #0A2925 #155B52 #208D7F #2CBEAC

Accessibility & contrast

On white

7.92

#155B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#155B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B52

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B52	#FFFFFF	#000000	##FFFFFF
##155B52	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565552

Deuteranopia (green-blind)

#4D4E53

Tritanopia (blue-blind)

#005D58

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155b52;
/* rgb */ color: rgb(21, 91, 82);
/* oklch */ color: oklch(42.7% 0.068 182.5);

Tailwind

colors: {
  custom: {
    50: '#5f8a82',
    500: '#155b52',
    950: '#000000',
  },
}

SCSS

$custom: #155b52;
$custom-light: #5f8a82;
$custom-dark: #000000;

JSON

{
  "hex": "#155b52",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 82
  },
  "hsl": {
    "h": 172.286,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.4268,
    "c": 0.06849,
    "h": 182.5
  },
  "luminance": 0.08251
}

Semantic roles & 50–950 ramp

primary

#155B52

secondary

#923945

accent

#4257E6

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #155B52

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

Preview Lab → · Contrast checker → · Palette generator →