#255B5A#255B5A

#255B5A is a dark, muted teal. Relative luminance 0.086; OKLCH L 43.5% C 0.057 H 193.6°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#255B5A
RGB	rgb(37, 91, 90)
HSL	hsl(179, 42%, 25%)
HSV	hsv(179, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 1.1%, 64.3%)
CIE-LAB	lab(35.23, -17.94, -4.82)
CIE-LCH	lch(35.23, 18.58, 195.04°)
OKLab	oklab(43.49% -0.0552 -0.0134)
OKLCH	oklch(43.49% 0.057 193.6)
XYZ	xyz(6.3487, 8.6131, 10.9988)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B5A #5B2526

analogous

#255B3F #255B5A #25415B

triadic

#255B5A #5A255B #5B5A25

tetradic

#255B5A #3F255B #5B2526 #415B25

square

#255B5A #3F255B #5B2526 #415B25

split-complementary

#255B5A #5B2541 #5B3F25

monochromatic

#091616 #132F2F #255B5A #378785 #48B2B0

Accessibility & contrast

On white

7.71

#255B5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#255B5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B5A

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B5A	#FFFFFF	#000000	##FFFFFF
##255B5A	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56575A

Deuteranopia (green-blind)

#4D505A

Tritanopia (blue-blind)

#005E5B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255b5a;
/* rgb */ color: rgb(37, 91, 90);
/* oklch */ color: oklch(43.5% 0.057 193.6);

Tailwind

colors: {
  custom: {
    50: '#668988',
    500: '#255b5a',
    950: '#000000',
  },
}

SCSS

$custom: #255b5a;
$custom-light: #668988;
$custom-dark: #000000;

JSON

{
  "hex": "#255b5a",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 90
  },
  "hsl": {
    "h": 178.889,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.43491,
    "c": 0.05681,
    "h": 193.6
  },
  "luminance": 0.08614
}

Semantic roles & 50–950 ramp

primary

#255B5A

secondary

#8E4D4F

accent

#5658D2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255B5A

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

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