#255A55#255A55

#255A55 is a dark, muted teal. Relative luminance 0.084; OKLCH L 43.0% C 0.057 H 187.0°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#255A55
RGB	rgb(37, 90, 85)
HSL	hsl(174, 42%, 25%)
HSV	hsv(174, 59%, 35%)
CMYK	cmyk(58.9%, 0%, 5.6%, 64.7%)
CIE-LAB	lab(34.72, -18.91, -2.44)
CIE-LCH	lch(34.72, 19.07, 187.35°)
OKLab	oklab(43.03% -0.0564 -0.0069)
OKLCH	oklch(43.03% 0.057 187)
XYZ	xyz(6.0581, 8.3609, 9.8871)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A55 #5A252A

analogous

#255A3B #255A55 #25445A

triadic

#255A55 #55255A #5A5525

tetradic

#255A55 #3B255A #5A252A #445A25

square

#255A55 #3B255A #5A252A #445A25

split-complementary

#255A55 #5A2544 #5A3B25

monochromatic

#091614 #132F2C #255A55 #37857E #49B1A7

Accessibility & contrast

On white

7.86

#255A55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#255A55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A55

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A55	#FFFFFF	#000000	##FFFFFF
##255A55	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555555

Deuteranopia (green-blind)

#4D4F56

Tritanopia (blue-blind)

#005C58

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255a55;
/* rgb */ color: rgb(37, 90, 85);
/* oklch */ color: oklch(43.0% 0.057 187.0);

Tailwind

colors: {
  custom: {
    50: '#658984',
    500: '#255a55',
    950: '#000000',
  },
}

SCSS

$custom: #255a55;
$custom-light: #658984;
$custom-dark: #000000;

JSON

{
  "hex": "#255a55",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 85
  },
  "hsl": {
    "h": 174.34,
    "s": 41.732,
    "l": 24.902
  },
  "oklch": {
    "l": 0.43029,
    "c": 0.05686,
    "h": 187
  },
  "luminance": 0.08362
}

Semantic roles & 50–950 ramp

primary

#255A55

secondary

#8D4D53

accent

#5662D2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255A55

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

Preview Lab → · Contrast checker → · Palette generator →