#155C50#155C50

#155C50 is a dark, moderate teal. Relative luminance 0.084; OKLCH L 42.9% C 0.071 H 178.8°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#155C50
RGB	rgb(21, 92, 80)
HSL	hsl(170, 63%, 22%)
HSV	hsv(170, 77%, 36%)
CMYK	cmyk(77.2%, 0%, 13%, 63.9%)
CIE-LAB	lab(34.79, -24.54, 0.72)
CIE-LCH	lch(34.79, 24.55, 178.31°)
OKLab	oklab(42.9% -0.0706 0.0015)
OKLCH	oklch(42.9% 0.071 178.8)
XYZ	xyz(5.5837, 8.3923, 8.9135)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C50 #5C1521

analogous

#155C2D #155C50 #15455C

triadic

#155C50 #50155C #5C5015

tetradic

#155C50 #2D155C #5C1521 #455C15

square

#155C50 #2D155C #5C1521 #455C15

split-complementary

#155C50 #5C1545 #5C2D15

monochromatic

#061916 #0A2A25 #155C50 #208E7B #2CC0A7

Accessibility & contrast

On white

7.84

#155C50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#155C50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C50

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C50	#FFFFFF	#000000	##FFFFFF
##155C50	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585650

Deuteranopia (green-blind)

#4E4F51

Tritanopia (blue-blind)

#005E58

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155c50;
/* rgb */ color: rgb(21, 92, 80);
/* oklch */ color: oklch(42.9% 0.071 178.8);

Tailwind

colors: {
  custom: {
    50: '#5f8a81',
    500: '#155c50',
    950: '#000000',
  },
}

SCSS

$custom: #155c50;
$custom-light: #5f8a81;
$custom-dark: #000000;

JSON

{
  "hex": "#155c50",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 80
  },
  "hsl": {
    "h": 169.859,
    "s": 62.832,
    "l": 22.157
  },
  "oklch": {
    "l": 0.42895,
    "c": 0.07064,
    "h": 178.8
  },
  "luminance": 0.08393
}

Semantic roles & 50–950 ramp

primary

#155C50

secondary

#933949

accent

#425EE6

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C0A

muted

#797D7C

Preview Lab

Preview with #155C50

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

Preview Lab → · Contrast checker → · Palette generator →