#155A4F#155A4F

#155A4F is a dark, moderate teal. Relative luminance 0.080; OKLCH L 42.3% C 0.069 H 179.7°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#155A4F
RGB	rgb(21, 90, 79)
HSL	hsl(170, 62%, 22%)
HSV	hsv(170, 77%, 35%)
CMYK	cmyk(76.7%, 0%, 12.2%, 64.7%)
CIE-LAB	lab(34.06, -23.83, 0.28)
CIE-LCH	lch(34.06, 23.83, 179.32°)
OKLab	oklab(42.29% -0.0688 0.0004)
OKLCH	oklch(42.29% 0.069 179.7)
XYZ	xyz(5.3760, 8.0356, 8.6633)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155A4F #5A1520

analogous

#155A2D #155A4F #15435A

triadic

#155A4F #4F155A #5A4F15

tetradic

#155A4F #2D155A #5A1520 #435A15

square

#155A4F #2D155A #5A1520 #435A15

split-complementary

#155A4F #5A1543 #5A2D15

monochromatic

#061916 #092823 #155A4F #218C7B #2CBDA6

Accessibility & contrast

On white

8.05

#155A4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#155A4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155A4F

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155A4F	#FFFFFF	#000000	##FFFFFF
##155A4F	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56544F

Deuteranopia (green-blind)

#4C4D50

Tritanopia (blue-blind)

#005C57

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #155a4f;
/* rgb */ color: rgb(21, 90, 79);
/* oklch */ color: oklch(42.3% 0.069 179.7);

Tailwind

colors: {
  custom: {
    50: '#5e8980',
    500: '#155a4f',
    950: '#000000',
  },
}

SCSS

$custom: #155a4f;
$custom-light: #5e8980;
$custom-dark: #000000;

JSON

{
  "hex": "#155a4f",
  "rgb": {
    "r": 21,
    "g": 90,
    "b": 79
  },
  "hsl": {
    "h": 170.435,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.42289,
    "c": 0.06885,
    "h": 179.7
  },
  "luminance": 0.08036
}

Semantic roles & 50–950 ramp

primary

#155A4F

secondary

#923947

accent

#435CE5

background

#F5F8F7

surface

#EAF0EE

border

#C6CBC9

text

#050B0A

muted

#797C7C

Preview Lab

Preview with #155A4F

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

Preview Lab → · Contrast checker → · Palette generator →