#255C5B#255C5B

#255C5B is a dark, muted teal. Relative luminance 0.088; OKLCH L 43.8% C 0.058 H 193.6°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#255C5B
RGB	rgb(37, 92, 91)
HSL	hsl(179, 43%, 25%)
HSV	hsv(179, 60%, 36%)
CMYK	cmyk(59.8%, 0%, 1.1%, 63.9%)
CIE-LAB	lab(35.60, -18.18, -4.89)
CIE-LCH	lch(35.60, 18.83, 195.05°)
OKLab	oklab(43.8% -0.056 -0.0136)
OKLCH	oklch(43.8% 0.058 193.6)
XYZ	xyz(6.4776, 8.8023, 11.2531)
Luminance	0.0880 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C5B #5C2526

analogous

#255C3F #255C5B #25415C

triadic

#255C5B #5B255C #5C5B25

tetradic

#255C5B #3F255C #5C2526 #415C25

square

#255C5B #3F255C #5C2526 #415C25

split-complementary

#255C5B #5C2541 #5C3F25

monochromatic

#091616 #133030 #255C5B #378886 #48B3B1

Accessibility & contrast

On white

7.61

#255C5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#255C5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C5B

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C5B	#FFFFFF	#000000	##FFFFFF
##255C5B	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)

#56585B

Deuteranopia (green-blind)

#4D515B

Tritanopia (blue-blind)

#005F5C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255c5b;
/* rgb */ color: rgb(37, 92, 91);
/* oklch */ color: oklch(43.8% 0.058 193.6);

Tailwind

colors: {
  custom: {
    50: '#668a89',
    500: '#255c5b',
    950: '#000000',
  },
}

SCSS

$custom: #255c5b;
$custom-light: #668a89;
$custom-dark: #000000;

JSON

{
  "hex": "#255c5b",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 91
  },
  "hsl": {
    "h": 178.909,
    "s": 42.636,
    "l": 25.294
  },
  "oklch": {
    "l": 0.43803,
    "c": 0.05758,
    "h": 193.6
  },
  "luminance": 0.08803
}

Semantic roles & 50–950 ramp

primary

#255C5B

secondary

#8F4D4F

accent

#5558D2

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255C5B

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

Preview Lab → · Contrast checker → · Palette generator →