#155657#155657

#155657 is a dark, moderate teal. Relative luminance 0.075; OKLCH L 41.5% C 0.063 H 196.5°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#155657
RGB	rgb(21, 86, 87)
HSL	hsl(181, 61%, 21%)
HSV	hsv(181, 76%, 34%)
CMYK	cmyk(75.9%, 1.1%, 0%, 65.9%)
CIE-LAB	lab(32.92, -19.18, -6.42)
CIE-LCH	lch(32.92, 20.23, 198.51°)
OKLab	oklab(41.46% -0.0601 -0.0178)
OKLCH	oklch(41.46% 0.063 196.5)
XYZ	xyz(5.3566, 7.5025, 10.1808)
Luminance	0.0750 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155657 #571615

analogous

#155737 #155657 #153557

triadic

#155657 #571556 #565715

tetradic

#155657 #371557 #571615 #355715

square

#155657 #371557 #571615 #355715

split-complementary

#155657 #571535 #573715

monochromatic

#061819 #092526 #155657 #218788 #2DB7BA

Accessibility & contrast

On white

8.40

#155657 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#155657 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155657

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155657	#FFFFFF	#000000	##FFFFFF
##155657	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505257

Deuteranopia (green-blind)

#464A57

Tritanopia (blue-blind)

#005956

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #155657;
/* rgb */ color: rgb(21, 86, 87);
/* oklch */ color: oklch(41.5% 0.063 196.5);

Tailwind

colors: {
  custom: {
    50: '#5f8686',
    500: '#155657',
    950: '#000000',
  },
}

SCSS

$custom: #155657;
$custom-light: #5f8686;
$custom-dark: #000000;

JSON

{
  "hex": "#155657",
  "rgb": {
    "r": 21,
    "g": 86,
    "b": 87
  },
  "hsl": {
    "h": 180.909,
    "s": 61.111,
    "l": 21.176
  },
  "oklch": {
    "l": 0.41455,
    "c": 0.0627,
    "h": 196.5
  },
  "luminance": 0.07503
}

Semantic roles & 50–950 ramp

primary

#155657

secondary

#8F3A39

accent

#4644E4

background

#F5F8F8

surface

#EAEFEF

border

#C6CACA

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #155657

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

Preview Lab → · Contrast checker → · Palette generator →