#255E5A#255E5A

#255E5A is a dark, muted teal. Relative luminance 0.091; OKLCH L 44.3% C 0.060 H 188.9°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#255E5A
RGB	rgb(37, 94, 90)
HSL	hsl(176, 44%, 26%)
HSV	hsv(176, 61%, 37%)
CMYK	cmyk(60.6%, 0%, 4.3%, 63.1%)
CIE-LAB	lab(36.25, -19.58, -3.31)
CIE-LCH	lch(36.25, 19.85, 189.60°)
OKLab	oklab(44.31% -0.0589 -0.0093)
OKLCH	oklch(44.31% 0.06 188.9)
XYZ	xyz(6.6103, 9.1363, 11.0860)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E5A #5E2529

analogous

#255E3D #255E5A #25455E

triadic

#255E5A #5A255E #5E5A25

tetradic

#255E5A #3D255E #5E2529 #455E25

square

#255E5A #3D255E #5E2529 #455E25

split-complementary

#255E5A #5E2545 #5E3D25

monochromatic

#091615 #143230 #255E5A #368A84 #48B6AE

Accessibility & contrast

On white

7.43

#255E5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#255E5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E5A

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E5A	#FFFFFF	#000000	##FFFFFF
##255E5A	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59595A

Deuteranopia (green-blind)

#50525B

Tritanopia (blue-blind)

#00605D

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255e5a;
/* rgb */ color: rgb(37, 94, 90);
/* oklch */ color: oklch(44.3% 0.060 188.9);

Tailwind

colors: {
  custom: {
    50: '#668c88',
    500: '#255e5a',
    950: '#000000',
  },
}

SCSS

$custom: #255e5a;
$custom-light: #668c88;
$custom-dark: #000000;

JSON

{
  "hex": "#255e5a",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 90
  },
  "hsl": {
    "h": 175.789,
    "s": 43.511,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44314,
    "c": 0.05965,
    "h": 188.9
  },
  "luminance": 0.09137
}

Semantic roles & 50–950 ramp

primary

#255E5A

secondary

#914D52

accent

#555DD3

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255E5A

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

Preview Lab → · Contrast checker → · Palette generator →