#255C57#255C57

#255C57 is a dark, muted teal. Relative luminance 0.087; OKLCH L 43.7% C 0.058 H 187.2°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#255C57
RGB	rgb(37, 92, 87)
HSL	hsl(175, 43%, 25%)
HSV	hsv(175, 60%, 36%)
CMYK	cmyk(59.8%, 0%, 5.4%, 63.9%)
CIE-LAB	lab(35.47, -19.40, -2.59)
CIE-LCH	lch(35.47, 19.57, 187.61°)
OKLab	oklab(43.65% -0.0579 -0.0073)
OKLCH	oklch(43.65% 0.058 187.2)
XYZ	xyz(6.3096, 8.7351, 10.3685)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C57 #5C252A

analogous

#255C3B #255C57 #25465C

triadic

#255C57 #57255C #5C5725

tetradic

#255C57 #3B255C #5C252A #465C25

square

#255C57 #3B255C #5C252A #465C25

split-complementary

#255C57 #5C2546 #5C3B25

monochromatic

#091615 #13302E #255C57 #378880 #48B3AA

Accessibility & contrast

On white

7.64

#255C57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#255C57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C57

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C57	#FFFFFF	#000000	##FFFFFF
##255C57	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575757

Deuteranopia (green-blind)

#4E5158

Tritanopia (blue-blind)

#005E5A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255c57;
/* rgb */ color: rgb(37, 92, 87);
/* oklch */ color: oklch(43.7% 0.058 187.2);

Tailwind

colors: {
  custom: {
    50: '#668a86',
    500: '#255c57',
    950: '#000000',
  },
}

SCSS

$custom: #255c57;
$custom-light: #668a86;
$custom-dark: #000000;

JSON

{
  "hex": "#255c57",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 87
  },
  "hsl": {
    "h": 174.545,
    "s": 42.636,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43653,
    "c": 0.05841,
    "h": 187.2
  },
  "luminance": 0.08736
}

Semantic roles & 50–950 ramp

primary

#255C57

secondary

#8F4D53

accent

#5561D2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255C57

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

Preview Lab → · Contrast checker → · Palette generator →