#255B53#255B53

#255B53 is a dark, muted teal. Relative luminance 0.085; OKLCH L 43.2% C 0.059 H 182.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#255B53
RGB	rgb(37, 91, 83)
HSL	hsl(171, 42%, 25%)
HSV	hsv(171, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 8.8%, 64.3%)
CIE-LAB	lab(35.00, -20.04, -0.78)
CIE-LCH	lch(35.00, 20.05, 182.23°)
OKLab	oklab(43.23% -0.0587 -0.0024)
OKLCH	oklch(43.23% 0.059 182.4)
XYZ	xyz(6.0647, 8.4994, 9.5029)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B53 #5B252D

analogous

#255B38 #255B53 #25485B

triadic

#255B53 #53255B #5B5325

tetradic

#255B53 #38255B #5B252D #485B25

square

#255B53 #38255B #5B252D #485B25

split-complementary

#255B53 #5B2548 #5B3825

monochromatic

#091614 #132F2B #255B53 #37877B #48B2A2

Accessibility & contrast

On white

7.78

#255B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#255B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B53

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B53	#FFFFFF	#000000	##FFFFFF
##255B53	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575653

Deuteranopia (green-blind)

#4E5054

Tritanopia (blue-blind)

#005D58

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255b53;
/* rgb */ color: rgb(37, 91, 83);
/* oklch */ color: oklch(43.2% 0.059 182.4);

Tailwind

colors: {
  custom: {
    50: '#658983',
    500: '#255b53',
    950: '#000000',
  },
}

SCSS

$custom: #255b53;
$custom-light: #658983;
$custom-dark: #000000;

JSON

{
  "hex": "#255b53",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 83
  },
  "hsl": {
    "h": 171.111,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.43233,
    "c": 0.05877,
    "h": 182.4
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary

#255B53

secondary

#8E4D57

accent

#5668D2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060B0A

muted

#7A7C7C

Preview Lab

Preview with #255B53

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

Preview Lab → · Contrast checker → · Palette generator →