#255E57#255E57

#255E57 is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.2% C 0.061 H 184.4°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#255E57
RGB	rgb(37, 94, 87)
HSL	hsl(173, 44%, 26%)
HSV	hsv(173, 61%, 37%)
CMYK	cmyk(60.6%, 0%, 7.4%, 63.1%)
CIE-LAB	lab(36.15, -20.47, -1.59)
CIE-LCH	lch(36.15, 20.53, 184.44°)
OKLab	oklab(44.2% -0.0604 -0.0046)
OKLCH	oklch(44.2% 0.061 184.4)
XYZ	xyz(6.4852, 9.0862, 10.4270)
Luminance	0.0909 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E57 #5E252C

analogous

#255E3A #255E57 #25485E

triadic

#255E57 #57255E #5E5725

tetradic

#255E57 #3A255E #5E252C #485E25

square

#255E57 #3A255E #5E252C #485E25

split-complementary

#255E57 #5E2548 #5E3A25

monochromatic

#091614 #14322E #255E57 #368A80 #48B6A8

Accessibility & contrast

On white

7.45

#255E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#255E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E57

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E57	#FFFFFF	#000000	##FFFFFF
##255E57	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5957

Deuteranopia (green-blind)

#515258

Tritanopia (blue-blind)

#00605C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255e57;
/* rgb */ color: rgb(37, 94, 87);
/* oklch */ color: oklch(44.2% 0.061 184.4);

Tailwind

colors: {
  custom: {
    50: '#668c86',
    500: '#255e57',
    950: '#000000',
  },
}

SCSS

$custom: #255e57;
$custom-light: #668c86;
$custom-dark: #000000;

JSON

{
  "hex": "#255e57",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 87
  },
  "hsl": {
    "h": 172.632,
    "s": 43.511,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44204,
    "c": 0.06061,
    "h": 184.4
  },
  "luminance": 0.09087
}

Semantic roles & 50–950 ramp

primary

#255E57

secondary

#914D56

accent

#5564D3

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255E57

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

Preview Lab → · Contrast checker → · Palette generator →