#155A59#155A59

#155A59 is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.7% C 0.066 H 193.5°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#155A59
RGB	rgb(21, 90, 89)
HSL	hsl(179, 62%, 22%)
HSV	hsv(179, 77%, 35%)
CMYK	cmyk(76.7%, 0%, 1.1%, 64.7%)
CIE-LAB	lab(34.38, -20.67, -5.51)
CIE-LCH	lch(34.38, 21.39, 194.92°)
OKLab	oklab(42.66% -0.0637 -0.0153)
OKLCH	oklch(42.66% 0.066 193.5)
XYZ	xyz(5.7678, 8.1923, 10.7266)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A59 #5A1516

analogous

#155A37 #155A59 #15395A

triadic

#155A59 #59155A #5A5915

tetradic

#155A59 #37155A #5A1516 #395A15

square

#155A59 #37155A #5A1516 #395A15

split-complementary

#155A59 #5A1539 #5A3715

monochromatic

#061919 #092828 #155A59 #218C8A #2CBDBB

Accessibility & contrast

On white

7.96

#155A59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#155A59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A59

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A59	#FFFFFF	#000000	##FFFFFF
##155A59	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545559

Deuteranopia (green-blind)

#4A4E5A

Tritanopia (blue-blind)

#005D5A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155a59;
/* rgb */ color: rgb(21, 90, 89);
/* oklch */ color: oklch(42.7% 0.066 193.5);

Tailwind

colors: {
  custom: {
    50: '#5f8987',
    500: '#155a59',
    950: '#000000',
  },
}

SCSS

$custom: #155a59;
$custom-light: #5f8987;
$custom-dark: #000000;

JSON

{
  "hex": "#155a59",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 89
  },
  "hsl": {
    "h": 179.13,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.42659,
    "c": 0.06551,
    "h": 193.5
  },
  "luminance": 0.08193
}

Semantic roles & 50–950 ramp

primary

#155A59

secondary

#92393B

accent

#4345E5

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050B0B

muted

#7A7C7C

Preview Lab

Preview with #155A59

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

Preview Lab → · Contrast checker → · Palette generator →