#255B56#255B56

#255B56 is a dark, muted teal. Relative luminance 0.085; OKLCH L 43.3% C 0.058 H 187.1°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#255B56
RGB	rgb(37, 91, 86)
HSL	hsl(174, 42%, 25%)
HSV	hsv(174, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 5.5%, 64.3%)
CIE-LAB	lab(35.10, -19.15, -2.52)
CIE-LCH	lch(35.10, 19.32, 187.48°)
OKLab	oklab(43.34% -0.0572 -0.0071)
OKLCH	oklch(43.34% 0.058 187.1)
XYZ	xyz(6.1830, 8.5468, 10.1261)
Luminance	0.0855 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B56 #5B252A

analogous

#255B3B #255B56 #25455B

triadic

#255B56 #56255B #5B5625

tetradic

#255B56 #3B255B #5B252A #455B25

square

#255B56 #3B255B #5B252A #455B25

split-complementary

#255B56 #5B2545 #5B3B25

monochromatic

#091615 #132F2D #255B56 #37877F #48B2A8

Accessibility & contrast

On white

7.75

#255B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#255B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B56

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B56	#FFFFFF	#000000	##FFFFFF
##255B56	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565656

Deuteranopia (green-blind)

#4E5057

Tritanopia (blue-blind)

#005D59

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255b56;
/* rgb */ color: rgb(37, 91, 86);
/* oklch */ color: oklch(43.3% 0.058 187.1);

Tailwind

colors: {
  custom: {
    50: '#668985',
    500: '#255b56',
    950: '#000000',
  },
}

SCSS

$custom: #255b56;
$custom-light: #668985;
$custom-dark: #000000;

JSON

{
  "hex": "#255b56",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 86
  },
  "hsl": {
    "h": 174.444,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.43341,
    "c": 0.05764,
    "h": 187.1
  },
  "luminance": 0.08547
}

Semantic roles & 50–950 ramp

primary

#255B56

secondary

#8E4D53

accent

#5661D2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255B56

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

Preview Lab → · Contrast checker → · Palette generator →