#155D63#155D63

#155D63 is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.9% C 0.068 H 203.4°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#155D63
RGB	rgb(21, 93, 99)
HSL	hsl(185, 65%, 24%)
HSV	hsv(185, 79%, 39%)
CMYK	cmyk(78.8%, 6.1%, 0%, 61.2%)
CIE-LAB	lab(35.77, -18.93, -9.67)
CIE-LCH	lch(35.77, 21.26, 207.05°)
OKLab	oklab(43.9% -0.0621 -0.0269)
OKLCH	oklch(43.9% 0.068 203.4)
XYZ	xyz(6.4747, 8.8882, 13.1763)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D63 #631B15

analogous

#156342 #155D63 #153663

triadic

#155D63 #63155D #5D6315

tetradic

#155D63 #421563 #631B15 #366315

square

#155D63 #421563 #631B15 #366315

split-complementary

#155D63 #631536 #634215

monochromatic

#051819 #0A2E31 #155D63 #208C95 #2ABCC8

Accessibility & contrast

On white

7.56

#155D63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155D63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D63

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D63	#FFFFFF	#000000	##FFFFFF
##155D63	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555963

Deuteranopia (green-blind)

#4A5163

Tritanopia (blue-blind)

#00615F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155d63;
/* rgb */ color: rgb(21, 93, 99);
/* oklch */ color: oklch(43.9% 0.068 203.4);

Tailwind

colors: {
  custom: {
    50: '#618b8f',
    500: '#155d63',
    950: '#000000',
  },
}

SCSS

$custom: #155d63;
$custom-light: #618b8f;
$custom-dark: #000000;

JSON

{
  "hex": "#155d63",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 99
  },
  "hsl": {
    "h": 184.615,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.43903,
    "c": 0.06771,
    "h": 203.4
  },
  "luminance": 0.08889
}

Semantic roles & 50–950 ramp

primary

#155D63

secondary

#9A413A

accent

#4D40E8

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #155D63

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

Preview Lab → · Contrast checker → · Palette generator →