#155E53#155E53

#155E53 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.6% C 0.071 H 180.3°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#155E53
RGB	rgb(21, 94, 83)
HSL	hsl(171, 63%, 23%)
HSV	hsv(171, 78%, 37%)
CMYK	cmyk(77.7%, 0%, 11.7%, 63.1%)
CIE-LAB	lab(35.57, -24.64, 0.00)
CIE-LCH	lch(35.57, 24.64, 180.00°)
OKLab	oklab(43.57% -0.0713 -0.0004)
OKLCH	oklch(43.57% 0.071 180.3)
XYZ	xyz(5.8725, 8.7887, 9.5688)
Luminance	0.0879 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#155E53 #5E1520

analogous

#155E2F #155E53 #15445E

triadic

#155E53 #53155E #5E5315

tetradic

#155E53 #2F155E #5E1520 #445E15

square

#155E53 #2F155E #5E1520 #445E15

split-complementary

#155E53 #5E1544 #5E2F15

monochromatic

#061916 #0A2C27 #155E53 #20907F #2BC2AB

Accessibility & contrast

On white

7.61

#155E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#155E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #155E53

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##155E53	#FFFFFF	#000000	##FFFFFF
##155E53	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5853

Deuteranopia (green-blind)

#505154

Tritanopia (blue-blind)

#00605B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #155e53;
/* rgb */ color: rgb(21, 94, 83);
/* oklch */ color: oklch(43.6% 0.071 180.3);

Tailwind

colors: {
  custom: {
    50: '#608c83',
    500: '#155e53',
    950: '#000000',
  },
}

SCSS

$custom: #155e53;
$custom-light: #608c83;
$custom-dark: #000000;

JSON

{
  "hex": "#155e53",
  "rgb": {
    "r": 21,
    "g": 94,
    "b": 83
  },
  "hsl": {
    "h": 170.959,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.43567,
    "c": 0.07133,
    "h": 180.3
  },
  "luminance": 0.08789
}

Semantic roles & 50–950 ramp

primary

#155E53

secondary

#953947

accent

#415AE7

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#050C0A

muted

#7A7D7C

Preview Lab

Preview with #155E53

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

Preview Lab → · Contrast checker → · Palette generator →