#155F4F#155F4F

#155F4F is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.7% C 0.075 H 174.6°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#155F4F
RGB	rgb(21, 95, 79)
HSL	hsl(167, 64%, 23%)
HSV	hsv(167, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 16.8%, 62.7%)
CIE-LAB	lab(35.81, -26.32, 2.82)
CIE-LCH	lch(35.81, 26.47, 173.88°)
OKLab	oklab(43.72% -0.0746 0.0071)
OKLCH	oklch(43.72% 0.075 174.6)
XYZ	xyz(5.8120, 8.9077, 8.8087)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F4F #5F1525

analogous

#155F2A #155F4F #154A5F

triadic

#155F4F #4F155F #5F4F15

tetradic

#155F4F #2A155F #5F1525 #4A5F15

square

#155F4F #2A155F #5F1525 #4A5F15

split-complementary

#155F4F #5F154A #5F2A15

monochromatic

#061915 #0A2D25 #155F4F #209179 #2BC3A2

Accessibility & contrast

On white

7.55

#155F4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#155F4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F4F

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F4F	#FFFFFF	#000000	##FFFFFF
##155F4F	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B584E

Deuteranopia (green-blind)

#525150

Tritanopia (blue-blind)

#00605A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155f4f;
/* rgb */ color: rgb(21, 95, 79);
/* oklch */ color: oklch(43.7% 0.075 174.6);

Tailwind

colors: {
  custom: {
    50: '#5f8d80',
    500: '#155f4f',
    950: '#000000',
  },
}

SCSS

$custom: #155f4f;
$custom-light: #5f8d80;
$custom-dark: #000000;

JSON

{
  "hex": "#155f4f",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 79
  },
  "hsl": {
    "h": 167.027,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43718,
    "c": 0.07491,
    "h": 174.6
  },
  "luminance": 0.08908
}

Semantic roles & 50–950 ramp

primary

#155F4F

secondary

#963A4E

accent

#4165E7

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #155F4F

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

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