#155D4C#155D4C

#155D4C is a dark, moderate teal. Relative luminance 0.085; OKLCH L 43.0% C 0.074 H 173.1°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#155D4C
RGB	rgb(21, 93, 76)
HSL	hsl(166, 63%, 22%)
HSV	hsv(166, 77%, 36%)
CMYK	cmyk(77.4%, 0%, 18.3%, 63.5%)
CIE-LAB	lab(35.02, -26.21, 3.55)
CIE-LCH	lch(35.02, 26.45, 172.28°)
OKLab	oklab(43.05% -0.0739 0.009)
OKLCH	oklch(43.05% 0.074 173.1)
XYZ	xyz(5.5274, 8.5093, 8.1872)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155D4C #5D1526

analogous

#155D28 #155D4C #154A5D

triadic

#155D4C #4C155D #5D4C15

tetradic

#155D4C #28155D #5D1526 #4A5D15

square

#155D4C #28155D #5D1526 #4A5D15

split-complementary

#155D4C #5D154A #5D2815

monochromatic

#061914 #0A2B23 #155D4C #208F75 #2CC19E

Accessibility & contrast

On white

7.77

#155D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#155D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155D4C

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155D4C	#FFFFFF	#000000	##FFFFFF
##155D4C	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A564B

Deuteranopia (green-blind)

#504F4D

Tritanopia (blue-blind)

#005E58

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #155d4c;
/* rgb */ color: rgb(21, 93, 76);
/* oklch */ color: oklch(43.0% 0.074 173.1);

Tailwind

colors: {
  custom: {
    50: '#5f8b7e',
    500: '#155d4c',
    950: '#000000',
  },
}

SCSS

$custom: #155d4c;
$custom-light: #5f8b7e;
$custom-dark: #000000;

JSON

{
  "hex": "#155d4c",
  "rgb": {
    "r": 21,
    "g": 93,
    "b": 76
  },
  "hsl": {
    "h": 165.833,
    "s": 63.158,
    "l": 22.353
  },
  "oklch": {
    "l": 0.43048,
    "c": 0.07444,
    "h": 173.1
  },
  "luminance": 0.0851
}

Semantic roles & 50–950 ramp

primary

#155D4C

secondary

#94394F

accent

#4268E6

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050C09

muted

#797D7B

Preview Lab

Preview with #155D4C

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

Preview Lab → · Contrast checker → · Palette generator →