#155A56#155A56

#155A56 is a dark, moderate teal. Relative luminance 0.081; OKLCH L 42.5% C 0.066 H 189.2°. Best body text is #FFFFFF at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#155A56
RGB	rgb(21, 90, 86)
HSL	hsl(177, 62%, 22%)
HSV	hsv(177, 77%, 35%)
CMYK	cmyk(76.7%, 0%, 4.4%, 64.7%)
CIE-LAB	lab(34.28, -21.65, -3.78)
CIE-LCH	lch(34.28, 21.97, 189.90°)
OKLab	oklab(42.54% -0.0652 -0.0106)
OKLCH	oklch(42.54% 0.066 189.2)
XYZ	xyz(5.6444, 8.1430, 10.0766)
Luminance	0.0814 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A56 #5A1519

analogous

#155A34 #155A56 #153C5A

triadic

#155A56 #56155A #5A5615

tetradic

#155A56 #34155A #5A1519 #3C5A15

square

#155A56 #34155A #5A1519 #3C5A15

split-complementary

#155A56 #5A153C #5A3415

monochromatic

#061918 #092827 #155A56 #218C85 #2CBDB5

Accessibility & contrast

On white

7.99

#155A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#155A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A56

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A56	#FFFFFF	#000000	##FFFFFF
##155A56	1.00	7.99	2.63	7.99
#FFFFFF	7.99	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545556

Deuteranopia (green-blind)

#4B4E57

Tritanopia (blue-blind)

#005D59

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155a56;
/* rgb */ color: rgb(21, 90, 86);
/* oklch */ color: oklch(42.5% 0.066 189.2);

Tailwind

colors: {
  custom: {
    50: '#5f8985',
    500: '#155a56',
    950: '#000000',
  },
}

SCSS

$custom: #155a56;
$custom-light: #5f8985;
$custom-dark: #000000;

JSON

{
  "hex": "#155a56",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 86
  },
  "hsl": {
    "h": 176.522,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.42543,
    "c": 0.06606,
    "h": 189.2
  },
  "luminance": 0.08144
}

Semantic roles & 50–950 ramp

primary

#155A56

secondary

#92393E

accent

#434CE5

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #155A56

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

Preview Lab → · Contrast checker → · Palette generator →