#255E63#255E63

#255E63 is a dark, muted teal. Relative luminance 0.093; OKLCH L 44.7% C 0.059 H 203.2°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#255E63
RGB	rgb(37, 94, 99)
HSL	hsl(185, 46%, 27%)
HSV	hsv(185, 63%, 39%)
CMYK	cmyk(62.6%, 5.1%, 0%, 61.2%)
CIE-LAB	lab(36.55, -16.77, -8.44)
CIE-LCH	lch(36.55, 18.78, 206.72°)
OKLab	oklab(44.67% -0.0546 -0.0234)
OKLCH	oklch(44.67% 0.059 203.2)
XYZ	xyz(7.0168, 9.2989, 13.2270)
Luminance	0.0930 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E63 #632A25

analogous

#256349 #255E63 #253F63

triadic

#255E63 #63255E #5E6325

tetradic

#255E63 #492563 #632A25 #3F6325

square

#255E63 #492563 #632A25 #3F6325

split-complementary

#255E63 #63253F #634925

monochromatic

#081516 #143436 #255E63 #368890 #48B1BB

Accessibility & contrast

On white

7.34

#255E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#255E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E63

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E63	#FFFFFF	#000000	##FFFFFF
##255E63	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575A63

Deuteranopia (green-blind)

#4D5363

Tritanopia (blue-blind)

#00625F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255e63;
/* rgb */ color: rgb(37, 94, 99);
/* oklch */ color: oklch(44.7% 0.059 203.2);

Tailwind

colors: {
  custom: {
    50: '#678c8f',
    500: '#255e63',
    950: '#000000',
  },
}

SCSS

$custom: #255e63;
$custom-light: #678c8f;
$custom-dark: #000000;

JSON

{
  "hex": "#255e63",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 99
  },
  "hsl": {
    "h": 184.839,
    "s": 45.588,
    "l": 26.667
  },
  "oklch": {
    "l": 0.44665,
    "c": 0.05935,
    "h": 203.2
  },
  "luminance": 0.093
}

Semantic roles & 50–950 ramp

primary

#255E63

secondary

#96534E

accent

#5D53D5

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #255E63

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

Preview Lab → · Contrast checker → · Palette generator →