#155F54#155F54

#155F54 is a dark, moderate teal. Relative luminance 0.090; OKLCH L 43.9% C 0.072 H 180.5°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#155F54
RGB	rgb(21, 95, 84)
HSL	hsl(171, 64%, 23%)
HSV	hsv(171, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 11.6%, 62.7%)
CIE-LAB	lab(35.95, -24.83, -0.07)
CIE-LCH	lch(35.95, 24.83, 180.16°)
OKLab	oklab(43.89% -0.0719 -0.0006)
OKLCH	oklch(43.89% 0.072 180.5)
XYZ	xyz(6.0009, 8.9832, 9.8035)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F54 #5F1520

analogous

#155F2F #155F54 #15455F

triadic

#155F54 #54155F #5F5415

tetradic

#155F54 #2F155F #5F1520 #455F15

square

#155F54 #2F155F #5F1520 #455F15

split-complementary

#155F54 #5F1545 #5F2F15

monochromatic

#061916 #0A2D28 #155F54 #209180 #2BC3AD

Accessibility & contrast

On white

7.51

#155F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#155F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F54

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F54	#FFFFFF	#000000	##FFFFFF
##155F54	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5954

Deuteranopia (green-blind)

#505155

Tritanopia (blue-blind)

#00615C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f54;
/* rgb */ color: rgb(21, 95, 84);
/* oklch */ color: oklch(43.9% 0.072 180.5);

Tailwind

colors: {
  custom: {
    50: '#608d84',
    500: '#155f54',
    950: '#000000',
  },
}

SCSS

$custom: #155f54;
$custom-light: #608d84;
$custom-dark: #000000;

JSON

{
  "hex": "#155f54",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 84
  },
  "hsl": {
    "h": 171.081,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43885,
    "c": 0.07194,
    "h": 180.5
  },
  "luminance": 0.08984
}

Semantic roles & 50–950 ramp

primary

#155F54

secondary

#963A47

accent

#415AE7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #155F54

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

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