#155B4E#155B4E

#155B4E is a dark, moderate teal. Relative luminance 0.082; OKLCH L 42.5% C 0.071 H 177.3°. Best body text is #FFFFFF at 7.96:1 contrast (WCAG AA passes).

Color values

HEX	#155B4E
RGB	rgb(21, 91, 78)
HSL	hsl(169, 63%, 22%)
HSV	hsv(169, 77%, 36%)
CMYK	cmyk(76.9%, 0%, 14.3%, 64.3%)
CIE-LAB	lab(34.38, -24.64, 1.38)
CIE-LCH	lch(34.38, 24.67, 176.80°)
OKLab	oklab(42.54% -0.0705 0.0033)
OKLCH	oklch(42.54% 0.071 177.3)
XYZ	xyz(5.4248, 8.1910, 8.5014)
Luminance	0.0819 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155B4E #5B1522

analogous

#155B2B #155B4E #15455B

triadic

#155B4E #4E155B #5B4E15

tetradic

#155B4E #2B155B #5B1522 #455B15

square

#155B4E #2B155B #5B1522 #455B15

split-complementary

#155B4E #5B1545 #5B2B15

monochromatic

#061915 #0A2923 #155B4E #208D79 #2CBEA3

Accessibility & contrast

On white

7.96

#155B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#155B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155B4E

7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155B4E	#FFFFFF	#000000	##FFFFFF
##155B4E	1.00	7.96	2.64	7.96
#FFFFFF	7.96	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57554D

Deuteranopia (green-blind)

#4E4E4F

Tritanopia (blue-blind)

#005C57

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #155b4e;
/* rgb */ color: rgb(21, 91, 78);
/* oklch */ color: oklch(42.5% 0.071 177.3);

Tailwind

colors: {
  custom: {
    50: '#5f8a7f',
    500: '#155b4e',
    950: '#000000',
  },
}

SCSS

$custom: #155b4e;
$custom-light: #5f8a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#155b4e",
  "rgb": {
    "r": 21,
    "g": 91,
    "b": 78
  },
  "hsl": {
    "h": 168.857,
    "s": 62.5,
    "l": 21.961
  },
  "oklch": {
    "l": 0.42541,
    "c": 0.07061,
    "h": 177.3
  },
  "luminance": 0.08192
}

Semantic roles & 50–950 ramp

primary

#155B4E

secondary

#92394A

accent

#4261E6

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #155B4E

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

Preview Lab → · Contrast checker → · Palette generator →