#155E56#155E56

#155E56 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.7% C 0.070 H 184.1°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#155E56
RGB	rgb(21, 94, 86)
HSL	hsl(173, 63%, 23%)
HSV	hsv(173, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 8.5%, 63.1%)
CIE-LAB	lab(35.67, -23.72, -1.73)
CIE-LCH	lch(35.67, 23.78, 184.17°)
OKLab	oklab(43.67% -0.0698 -0.005)
OKLCH	oklch(43.67% 0.07 184.1)
XYZ	xyz(5.9909, 8.8360, 10.1921)
Luminance	0.0884 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E56 #5E151D

analogous

#155E32 #155E56 #15415E

triadic

#155E56 #56155E #5E5615

tetradic

#155E56 #32155E #5E151D #415E15

square

#155E56 #32155E #5E151D #415E15

split-complementary

#155E56 #5E1541 #5E3215

monochromatic

#061917 #0A2C28 #155E56 #209084 #2BC2B2

Accessibility & contrast

On white

7.59

#155E56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#155E56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E56

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E56	#FFFFFF	#000000	##FFFFFF
##155E56	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595856

Deuteranopia (green-blind)

#4F5157

Tritanopia (blue-blind)

#00605B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e56;
/* rgb */ color: rgb(21, 94, 86);
/* oklch */ color: oklch(43.7% 0.070 184.1);

Tailwind

colors: {
  custom: {
    50: '#608c85',
    500: '#155e56',
    950: '#000000',
  },
}

SCSS

$custom: #155e56;
$custom-light: #608c85;
$custom-dark: #000000;

JSON

{
  "hex": "#155e56",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 86
  },
  "hsl": {
    "h": 173.425,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43673,
    "c": 0.06995,
    "h": 184.1
  },
  "luminance": 0.08837
}

Semantic roles & 50–950 ramp

primary

#155E56

secondary

#953944

accent

#4153E7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E56

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

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