#155E52#155E52

#155E52 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.5% C 0.072 H 179.1°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#155E52
RGB	rgb(21, 94, 82)
HSL	hsl(170, 63%, 23%)
HSV	hsv(170, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 12.8%, 63.1%)
CIE-LAB	lab(35.54, -24.94, 0.58)
CIE-LCH	lch(35.54, 24.94, 178.67°)
OKLab	oklab(43.53% -0.0718 0.0011)
OKLCH	oklch(43.53% 0.072 179.1)
XYZ	xyz(5.8342, 8.7733, 9.3669)
Luminance	0.0877 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E52 #5E1521

analogous

#155E2E #155E52 #15455E

triadic

#155E52 #52155E #5E5215

tetradic

#155E52 #2E155E #5E1521 #455E15

square

#155E52 #2E155E #5E1521 #455E15

split-complementary

#155E52 #5E1545 #5E2E15

monochromatic

#061916 #0A2C26 #155E52 #20907E #2BC2A9

Accessibility & contrast

On white

7.62

#155E52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#155E52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E52

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E52	#FFFFFF	#000000	##FFFFFF
##155E52	1.00	7.62	2.75	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5852

Deuteranopia (green-blind)

#505153

Tritanopia (blue-blind)

#00605A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e52;
/* rgb */ color: rgb(21, 94, 82);
/* oklch */ color: oklch(43.5% 0.072 179.1);

Tailwind

colors: {
  custom: {
    50: '#5f8c82',
    500: '#155e52',
    950: '#000000',
  },
}

SCSS

$custom: #155e52;
$custom-light: #5f8c82;
$custom-dark: #000000;

JSON

{
  "hex": "#155e52",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 82
  },
  "hsl": {
    "h": 170.137,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43533,
    "c": 0.07186,
    "h": 179.1
  },
  "luminance": 0.08774
}

Semantic roles & 50–950 ramp

primary

#155E52

secondary

#953949

accent

#415CE7

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #155E52

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

Preview Lab → · Contrast checker → · Palette generator →