#155F57#155F57

#155F57 is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.0% C 0.071 H 184.3°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#155F57
RGB	rgb(21, 95, 87)
HSL	hsl(174, 64%, 23%)
HSV	hsv(174, 78%, 37%)
CMYK	cmyk(77.9%, 0%, 8.4%, 62.7%)
CIE-LAB	lab(36.04, -23.91, -1.80)
CIE-LCH	lch(36.04, 23.98, 184.29°)
OKLab	oklab(43.99% -0.0704 -0.0052)
OKLCH	oklch(43.99% 0.071 184.3)
XYZ	xyz(6.1209, 9.0312, 10.4356)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155F57 #5F151D

analogous

#155F32 #155F57 #15425F

triadic

#155F57 #57155F #5F5715

tetradic

#155F57 #32155F #5F151D #425F15

square

#155F57 #32155F #5F151D #425F15

split-complementary

#155F57 #5F1542 #5F3215

monochromatic

#061917 #0A2D29 #155F57 #209185 #2BC3B3

Accessibility & contrast

On white

7.48

#155F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#155F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155F57

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155F57	#FFFFFF	#000000	##FFFFFF
##155F57	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5957

Deuteranopia (green-blind)

#505258

Tritanopia (blue-blind)

#00615C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #155f57;
/* rgb */ color: rgb(21, 95, 87);
/* oklch */ color: oklch(44.0% 0.071 184.3);

Tailwind

colors: {
  custom: {
    50: '#608d86',
    500: '#155f57',
    950: '#000000',
  },
}

SCSS

$custom: #155f57;
$custom-light: #608d86;
$custom-dark: #000000;

JSON

{
  "hex": "#155f57",
  "rgb": {
    "r": 21,
    "g": 95,
    "b": 87
  },
  "hsl": {
    "h": 173.514,
    "s": 63.793,
    "l": 22.745
  },
  "oklch": {
    "l": 0.43991,
    "c": 0.07057,
    "h": 184.3
  },
  "luminance": 0.09032
}

Semantic roles & 50–950 ramp

primary

#155F57

secondary

#963A44

accent

#4153E7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155F57

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

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