#155E57#155E57

#155E57 is a dark, moderate teal. Relative luminance 0.089; OKLCH L 43.7% C 0.070 H 185.5°. Best body text is #FFFFFF at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#155E57
RGB	rgb(21, 94, 87)
HSL	hsl(174, 63%, 23%)
HSV	hsv(174, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 7.4%, 63.1%)
CIE-LAB	lab(35.70, -23.40, -2.31)
CIE-LCH	lch(35.70, 23.52, 185.62°)
OKLab	oklab(43.71% -0.0693 -0.0066)
OKLCH	oklch(43.71% 0.07 185.5)
XYZ	xyz(6.0314, 8.8522, 10.4058)
Luminance	0.0885 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E57 #5E151C

analogous

#155E33 #155E57 #15405E

triadic

#155E57 #57155E #5E5715

tetradic

#155E57 #33155E #5E151C #405E15

square

#155E57 #33155E #5E151C #405E15

split-complementary

#155E57 #5E1540 #5E3315

monochromatic

#061917 #0A2C29 #155E57 #209085 #2BC2B4

Accessibility & contrast

On white

7.58

#155E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#155E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E57

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E57	#FFFFFF	#000000	##FFFFFF
##155E57	1.00	7.58	2.77	7.58
#FFFFFF	7.58	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595857

Deuteranopia (green-blind)

#4F5158

Tritanopia (blue-blind)

#00605C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e57;
/* rgb */ color: rgb(21, 94, 87);
/* oklch */ color: oklch(43.7% 0.070 185.5);

Tailwind

colors: {
  custom: {
    50: '#608c86',
    500: '#155e57',
    950: '#000000',
  },
}

SCSS

$custom: #155e57;
$custom-light: #608c86;
$custom-dark: #000000;

JSON

{
  "hex": "#155e57",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 87
  },
  "hsl": {
    "h": 174.247,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43709,
    "c": 0.06956,
    "h": 185.5
  },
  "luminance": 0.08853
}

Semantic roles & 50–950 ramp

primary

#155E57

secondary

#953942

accent

#4151E7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0B

muted

#7A7D7C

Preview Lab

Preview with #155E57

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

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