#155D53#155D53

#155D53 is a dark, moderate teal. Relative luminance 0.086; OKLCH L 43.3% C 0.070 H 181.4°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#155D53
RGB	rgb(21, 93, 83)
HSL	hsl(172, 63%, 22%)
HSV	hsv(172, 77%, 36%)
CMYK	cmyk(77.4%, 0%, 10.8%, 63.5%)
CIE-LAB	lab(35.23, -24.13, -0.51)
CIE-LCH	lch(35.23, 24.14, 181.20°)
OKLab	oklab(43.28% -0.0702 -0.0018)
OKLCH	oklch(43.28% 0.07 181.4)
XYZ	xyz(5.7842, 8.6120, 9.5394)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D53 #5D151F

analogous

#155D2F #155D53 #15435D

triadic

#155D53 #53155D #5D5315

tetradic

#155D53 #2F155D #5D151F #435D15

square

#155D53 #2F155D #5D151F #435D15

split-complementary

#155D53 #5D1543 #5D2F15

monochromatic

#061916 #0A2B26 #155D53 #208F80 #2CC1AC

Accessibility & contrast

On white

7.71

#155D53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#155D53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D53

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D53	#FFFFFF	#000000	##FFFFFF
##155D53	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585753

Deuteranopia (green-blind)

#4F5054

Tritanopia (blue-blind)

#005F5A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155d53;
/* rgb */ color: rgb(21, 93, 83);
/* oklch */ color: oklch(43.3% 0.070 181.4);

Tailwind

colors: {
  custom: {
    50: '#5f8b83',
    500: '#155d53',
    950: '#000000',
  },
}

SCSS

$custom: #155d53;
$custom-light: #5f8b83;
$custom-dark: #000000;

JSON

{
  "hex": "#155d53",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 83
  },
  "hsl": {
    "h": 171.667,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.43283,
    "c": 0.07021,
    "h": 181.4
  },
  "luminance": 0.08613
}

Semantic roles & 50–950 ramp

primary

#155D53

secondary

#943946

accent

#4258E6

background

#F5F8F8

surface

#EAF0EF

border

#C6CBCA

text

#050C0A

muted

#797D7C

Preview Lab

Preview with #155D53

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

Preview Lab → · Contrast checker → · Palette generator →