#155C56#155C56

#155C56 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.1% C 0.068 H 186.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#155C56
RGB	rgb(21, 92, 86)
HSL	hsl(175, 63%, 22%)
HSV	hsv(175, 77%, 36%)
CMYK	cmyk(77.2%, 0%, 6.5%, 63.9%)
CIE-LAB	lab(34.97, -22.69, -2.75)
CIE-LCH	lch(34.97, 22.86, 186.91°)
OKLab	oklab(43.11% -0.0675 -0.0078)
OKLCH	oklch(43.11% 0.068 186.6)
XYZ	xyz(5.8153, 8.4849, 10.1336)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C56 #5C151B

analogous

#155C33 #155C56 #153E5C

triadic

#155C56 #56155C #5C5615

tetradic

#155C56 #33155C #5C151B #3E5C15

square

#155C56 #33155C #5C151B #3E5C15

split-complementary

#155C56 #5C153E #5C3315

monochromatic

#061917 #0A2A27 #155C56 #208E85 #2CC0B3

Accessibility & contrast

On white

7.79

#155C56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#155C56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C56

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C56	#FFFFFF	#000000	##FFFFFF
##155C56	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575756

Deuteranopia (green-blind)

#4D4F57

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155c56;
/* rgb */ color: rgb(21, 92, 86);
/* oklch */ color: oklch(43.1% 0.068 186.6);

Tailwind

colors: {
  custom: {
    50: '#5f8a85',
    500: '#155c56',
    950: '#000000',
  },
}

SCSS

$custom: #155c56;
$custom-light: #5f8a85;
$custom-dark: #000000;

JSON

{
  "hex": "#155c56",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 86
  },
  "hsl": {
    "h": 174.93,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43108,
    "c": 0.06794,
    "h": 186.6
  },
  "luminance": 0.08486
}

Semantic roles & 50–950 ramp

primary

#155C56

secondary

#933941

accent

#4250E6

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155C56

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

Preview Lab → · Contrast checker → · Palette generator →