#255E5E#255E5E

#255E5E is a dark, muted teal. Relative luminance 0.092; OKLCH L 44.5% C 0.059 H 195.2°. Best body text is #FFFFFF at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#255E5E
RGB	rgb(37, 94, 94)
HSL	hsl(180, 44%, 26%)
HSV	hsv(180, 61%, 37%)
CMYK	cmyk(60.6%, 0%, 0%, 63.1%)
CIE-LAB	lab(36.38, -18.35, -5.60)
CIE-LCH	lch(36.38, 19.19, 196.97°)
OKLab	oklab(44.47% -0.057 -0.0155)
OKLCH	oklch(44.47% 0.059 195.2)
XYZ	xyz(6.7852, 9.2062, 12.0069)
Luminance	0.0921 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E5E #5E2525

analogous

#255E41 #255E5E #25415E

triadic

#255E5E #5E255E #5E5E25

tetradic

#255E5E #41255E #5E2525 #415E25

square

#255E5E #41255E #5E2525 #415E25

split-complementary

#255E5E #5E2541 #5E4125

monochromatic

#091616 #143232 #255E5E #368A8A #48B6B6

Accessibility & contrast

On white

7.39

#255E5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#255E5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E5E

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E5E	#FFFFFF	#000000	##FFFFFF
##255E5E	1.00	7.39	2.84	7.39
#FFFFFF	7.39	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585A5E

Deuteranopia (green-blind)

#4F535E

Tritanopia (blue-blind)

#00615E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255e5e;
/* rgb */ color: rgb(37, 94, 94);
/* oklch */ color: oklch(44.5% 0.059 195.2);

Tailwind

colors: {
  custom: {
    50: '#678c8b',
    500: '#255e5e',
    950: '#000000',
  },
}

SCSS

$custom: #255e5e;
$custom-light: #678c8b;
$custom-dark: #000000;

JSON

{
  "hex": "#255e5e",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 94
  },
  "hsl": {
    "h": 180,
    "s": 43.511,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44465,
    "c": 0.05904,
    "h": 195.2
  },
  "luminance": 0.09207
}

Semantic roles & 50–950 ramp

primary

#255E5E

secondary

#914D4D

accent

#5555D3

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0C

muted

#7A7D7D

Preview Lab

Preview with #255E5E

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

Preview Lab → · Contrast checker → · Palette generator →