#155C57#155C57

#155C57 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.1% C 0.068 H 188.0°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#155C57
RGB	rgb(21, 92, 87)
HSL	hsl(176, 63%, 22%)
HSV	hsv(176, 77%, 36%)
CMYK	cmyk(77.2%, 0%, 5.4%, 63.9%)
CIE-LAB	lab(35.01, -22.37, -3.33)
CIE-LCH	lch(35.01, 22.62, 188.46°)
OKLab	oklab(43.15% -0.067 -0.0094)
OKLCH	oklch(43.15% 0.068 188)
XYZ	xyz(5.8559, 8.5011, 10.3472)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C57 #5C151A

analogous

#155C34 #155C57 #153D5C

triadic

#155C57 #57155C #5C5715

tetradic

#155C57 #34155C #5C151A #3D5C15

square

#155C57 #34155C #5C151A #3D5C15

split-complementary

#155C57 #5C153D #5C3415

monochromatic

#061918 #0A2A28 #155C57 #208E86 #2CC0B5

Accessibility & contrast

On white

7.78

#155C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#155C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C57

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C57	#FFFFFF	#000000	##FFFFFF
##155C57	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575757

Deuteranopia (green-blind)

#4C4F58

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155c57;
/* rgb */ color: rgb(21, 92, 87);
/* oklch */ color: oklch(43.1% 0.068 188.0);

Tailwind

colors: {
  custom: {
    50: '#608a86',
    500: '#155c57',
    950: '#000000',
  },
}

SCSS

$custom: #155c57;
$custom-light: #608a86;
$custom-dark: #000000;

JSON

{
  "hex": "#155c57",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 87
  },
  "hsl": {
    "h": 175.775,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43145,
    "c": 0.06763,
    "h": 188
  },
  "luminance": 0.08502
}

Semantic roles & 50–950 ramp

primary

#155C57

secondary

#933940

accent

#424DE6

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155C57

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

Preview Lab → · Contrast checker → · Palette generator →