#155C59#155C59

#155C59 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.2% C 0.067 H 190.7°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#155C59
RGB	rgb(21, 92, 89)
HSL	hsl(177, 63%, 22%)
HSV	hsv(177, 77%, 36%)
CMYK	cmyk(77.2%, 0%, 3.3%, 63.9%)
CIE-LAB	lab(35.07, -21.73, -4.48)
CIE-LCH	lch(35.07, 22.19, 191.64°)
OKLab	oklab(43.22% -0.066 -0.0125)
OKLCH	oklch(43.22% 0.067 190.7)
XYZ	xyz(5.9387, 8.5343, 10.7835)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C59 #5C1518

analogous

#155C36 #155C59 #153C5C

triadic

#155C59 #59155C #5C5915

tetradic

#155C59 #36155C #5C1518 #3C5C15

square

#155C59 #36155C #5C1518 #3C5C15

split-complementary

#155C59 #5C153C #5C3615

monochromatic

#061918 #0A2A29 #155C59 #208E89 #2CC0B9

Accessibility & contrast

On white

7.76

#155C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#155C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C59

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C59	#FFFFFF	#000000	##FFFFFF
##155C59	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565759

Deuteranopia (green-blind)

#4C4F5A

Tritanopia (blue-blind)

#005F5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155c59;
/* rgb */ color: rgb(21, 92, 89);
/* oklch */ color: oklch(43.2% 0.067 190.7);

Tailwind

colors: {
  custom: {
    50: '#608a87',
    500: '#155c59',
    950: '#000000',
  },
}

SCSS

$custom: #155c59;
$custom-light: #608a87;
$custom-dark: #000000;

JSON

{
  "hex": "#155c59",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 89
  },
  "hsl": {
    "h": 177.465,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43221,
    "c": 0.06714,
    "h": 190.7
  },
  "luminance": 0.08535
}

Semantic roles & 50–950 ramp

primary

#155C59

secondary

#93393D

accent

#4249E6

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155C59

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

Preview Lab → · Contrast checker → · Palette generator →