#155C63#155C63

#155C63 is a dark, moderate teal. Relative luminance 0.087; OKLCH L 43.6% C 0.067 H 204.9°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#155C63
RGB	rgb(21, 92, 99)
HSL	hsl(185, 65%, 24%)
HSV	hsv(185, 79%, 39%)
CMYK	cmyk(78.8%, 7.1%, 0%, 61.2%)
CIE-LAB	lab(35.43, -18.39, -10.18)
CIE-LCH	lch(35.43, 21.02, 208.98°)
OKLab	oklab(43.63% -0.061 -0.0283)
OKLCH	oklch(43.63% 0.067 204.9)
XYZ	xyz(6.3875, 8.7138, 13.1472)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155C63 #631C15

analogous

#156343 #155C63 #153563

triadic

#155C63 #63155C #5C6315

tetradic

#155C63 #431563 #631C15 #356315

square

#155C63 #431563 #631C15 #356315

split-complementary

#155C63 #631535 #634315

monochromatic

#051719 #0A2D31 #155C63 #208B95 #2ABAC8

Accessibility & contrast

On white

7.66

#155C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#155C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155C63

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155C63	#FFFFFF	#000000	##FFFFFF
##155C63	1.00	7.66	2.74	7.66
#FFFFFF	7.66	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545863

Deuteranopia (green-blind)

#495063

Tritanopia (blue-blind)

#00605E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #155c63;
/* rgb */ color: rgb(21, 92, 99);
/* oklch */ color: oklch(43.6% 0.067 204.9);

Tailwind

colors: {
  custom: {
    50: '#618a8f',
    500: '#155c63',
    950: '#000000',
  },
}

SCSS

$custom: #155c63;
$custom-light: #618a8f;
$custom-dark: #000000;

JSON

{
  "hex": "#155c63",
  "rgb": {
    "r": 21,
    "g": 92,
    "b": 99
  },
  "hsl": {
    "h": 185.385,
    "s": 65,
    "l": 23.529
  },
  "oklch": {
    "l": 0.43627,
    "c": 0.06729,
    "h": 204.9
  },
  "luminance": 0.08715
}

Semantic roles & 50–950 ramp

primary

#155C63

secondary

#9A423A

accent

#4F40E8

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #155C63

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

Preview Lab → · Contrast checker → · Palette generator →