#155C55#155C55

#155C55 is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.1% C 0.068 H 185.2°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#155C55
RGB	rgb(21, 92, 85)
HSL	hsl(174, 63%, 22%)
HSV	hsv(174, 77%, 36%)
CMYK	cmyk(77.2%, 0%, 7.6%, 63.9%)
CIE-LAB	lab(34.94, -23.00, -2.17)
CIE-LCH	lch(34.94, 23.11, 185.40°)
OKLab	oklab(43.07% -0.068 -0.0062)
OKLCH	oklch(43.07% 0.068 185.2)
XYZ	xyz(5.7753, 8.4689, 9.9229)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C55 #5C151C

analogous

#155C32 #155C55 #153F5C

triadic

#155C55 #55155C #5C5515

tetradic

#155C55 #32155C #5C151C #3F5C15

square

#155C55 #32155C #5C151C #3F5C15

split-complementary

#155C55 #5C153F #5C3215

monochromatic

#061917 #0A2A27 #155C55 #208E83 #2CC0B1

Accessibility & contrast

On white

7.80

#155C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#155C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C55

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C55	#FFFFFF	#000000	##FFFFFF
##155C55	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575655

Deuteranopia (green-blind)

#4D4F56

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155c55;
/* rgb */ color: rgb(21, 92, 85);
/* oklch */ color: oklch(43.1% 0.068 185.2);

Tailwind

colors: {
  custom: {
    50: '#5f8a84',
    500: '#155c55',
    950: '#000000',
  },
}

SCSS

$custom: #155c55;
$custom-light: #5f8a84;
$custom-dark: #000000;

JSON

{
  "hex": "#155c55",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 85
  },
  "hsl": {
    "h": 174.085,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43071,
    "c": 0.0683,
    "h": 185.2
  },
  "luminance": 0.0847
}

Semantic roles & 50–950 ramp

primary

#155C55

secondary

#933942

accent

#4252E6

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050C0B

muted

#797D7C

Preview Lab

Preview with #155C55

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

Preview Lab → · Contrast checker → · Palette generator →