#255A4E#255A4E

#255A4E is a dark, moderate teal. Relative luminance 0.083; OKLCH L 42.8% C 0.060 H 176.2°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#255A4E
RGB	rgb(37, 90, 78)
HSL	hsl(166, 42%, 25%)
HSV	hsv(166, 59%, 35%)
CMYK	cmyk(58.9%, 0%, 13.3%, 64.7%)
CIE-LAB	lab(34.51, -20.93, 1.63)
CIE-LCH	lch(34.51, 21.00, 175.56°)
OKLab	oklab(42.78% -0.06 0.004)
OKLCH	oklch(42.78% 0.06 176.2)
XYZ	xyz(5.7936, 8.2552, 8.4943)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A4E #5A2531

analogous

#255A34 #255A4E #254C5A

triadic

#255A4E #4E255A #5A4E25

tetradic

#255A4E #34255A #5A2531 #4C5A25

square

#255A4E #34255A #5A2531 #4C5A25

split-complementary

#255A4E #5A254C #5A3425

monochromatic

#091613 #132F28 #255A4E #378574 #49B199

Accessibility & contrast

On white

7.92

#255A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#255A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A4E

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A4E	#FFFFFF	#000000	##FFFFFF
##255A4E	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57554D

Deuteranopia (green-blind)

#4F4F4F

Tritanopia (blue-blind)

#065B56

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #255a4e;
/* rgb */ color: rgb(37, 90, 78);
/* oklch */ color: oklch(42.8% 0.060 176.2);

Tailwind

colors: {
  custom: {
    50: '#65897f',
    500: '#255a4e',
    950: '#000000',
  },
}

SCSS

$custom: #255a4e;
$custom-light: #65897f;
$custom-dark: #000000;

JSON

{
  "hex": "#255a4e",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 78
  },
  "hsl": {
    "h": 166.415,
    "s": 41.732,
    "l": 24.902
  },
  "oklch": {
    "l": 0.42783,
    "c": 0.06016,
    "h": 176.2
  },
  "luminance": 0.08256
}

Semantic roles & 50–950 ramp

primary

#255A4E

secondary

#8D4D5C

accent

#5672D2

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#060B0A

muted

#7A7C7C

Preview Lab

Preview with #255A4E

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

Preview Lab → · Contrast checker → · Palette generator →