#155A64#155A64

#155A64 is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.067 H 209.3°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#155A64
RGB	rgb(21, 90, 100)
HSL	hsl(188, 65%, 24%)
HSV	hsv(188, 79%, 39%)
CMYK	cmyk(79%, 10%, 0%, 60.8%)
CIE-LAB	lab(34.78, -16.93, -11.78)
CIE-LCH	lch(34.78, 20.62, 214.84°)
OKLab	oklab(43.12% -0.0583 -0.0328)
OKLCH	oklch(43.12% 0.067 209.3)
XYZ	xyz(6.2647, 8.3911, 13.3436)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A64 #641F15

analogous

#156446 #155A64 #153264

triadic

#155A64 #64155A #5A6415

tetradic

#155A64 #461564 #641F15 #326415

square

#155A64 #461564 #641F15 #326415

split-complementary

#155A64 #641532 #644615

monochromatic

#051719 #0A2C31 #155A64 #208897 #2AB5C9

Accessibility & contrast

On white

7.84

#155A64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#155A64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A64

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A64	#FFFFFF	#000000	##FFFFFF
##155A64	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515665

Deuteranopia (green-blind)

#464E64

Tritanopia (blue-blind)

#005F5D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155a64;
/* rgb */ color: rgb(21, 90, 100);
/* oklch */ color: oklch(43.1% 0.067 209.3);

Tailwind

colors: {
  custom: {
    50: '#618990',
    500: '#155a64',
    950: '#000000',
  },
}

SCSS

$custom: #155a64;
$custom-light: #618990;
$custom-dark: #000000;

JSON

{
  "hex": "#155a64",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 100
  },
  "hsl": {
    "h": 187.595,
    "s": 65.289,
    "l": 23.725
  },
  "oklch": {
    "l": 0.43121,
    "c": 0.06693,
    "h": 209.3
  },
  "luminance": 0.08392
}

Semantic roles & 50–950 ramp

primary

#155A64

secondary

#9B463A

accent

#5540E8

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #155A64

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

Preview Lab → · Contrast checker → · Palette generator →