#155D5E#155D5E

#155D5E is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.7% C 0.067 H 196.4°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#155D5E
RGB	rgb(21, 93, 94)
HSL	hsl(181, 63%, 23%)
HSV	hsv(181, 78%, 37%)
CMYK	cmyk(77.7%, 1.1%, 0%, 63.1%)
CIE-LAB	lab(35.59, -20.62, -6.83)
CIE-LCH	lch(35.59, 21.72, 198.32°)
OKLab	oklab(43.7% -0.0646 -0.019)
OKLCH	oklch(43.7% 0.067 196.4)
XYZ	xyz(6.2431, 8.7955, 11.9562)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D5E #5E1615

analogous

#155E3B #155D5E #15385E

triadic

#155D5E #5E155D #5D5E15

tetradic

#155D5E #3B155E #5E1615 #385E15

square

#155D5E #3B155E #5E1615 #385E15

split-complementary

#155D5E #5E1538 #5E3B15

monochromatic

#061919 #0A2C2C #155D5E #208E90 #2BC0C2

Accessibility & contrast

On white

7.61

#155D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#155D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D5E

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D5E	#FFFFFF	#000000	##FFFFFF
##155D5E	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56585E

Deuteranopia (green-blind)

#4C505E

Tritanopia (blue-blind)

#00605D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155d5e;
/* rgb */ color: rgb(21, 93, 94);
/* oklch */ color: oklch(43.7% 0.067 196.4);

Tailwind

colors: {
  custom: {
    50: '#618b8b',
    500: '#155d5e',
    950: '#000000',
  },
}

SCSS

$custom: #155d5e;
$custom-light: #618b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#155d5e",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 94
  },
  "hsl": {
    "h": 180.822,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43697,
    "c": 0.06731,
    "h": 196.4
  },
  "luminance": 0.08796
}

Semantic roles & 50–950 ramp

primary

#155D5E

secondary

#953B39

accent

#4441E7

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#050C0C

muted

#7A7D7D

Preview Lab

Preview with #155D5E

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

Preview Lab → · Contrast checker → · Palette generator →