#255A5D#255A5D

#255A5D is a dark, muted teal. Relative luminance 0.085; OKLCH L 43.3% C 0.056 H 200.4°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#255A5D
RGB	rgb(37, 90, 93)
HSL	hsl(183, 43%, 25%)
HSV	hsv(183, 60%, 36%)
CMYK	cmyk(60.2%, 3.2%, 0%, 63.5%)
CIE-LAB	lab(34.99, -16.45, -7.05)
CIE-LCH	lch(34.99, 17.89, 203.19°)
OKLab	oklab(43.34% -0.0525 -0.0195)
OKLCH	oklch(43.34% 0.056 200.4)
XYZ	xyz(6.3941, 8.4953, 11.6566)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A5D #5D2825

analogous

#255D44 #255A5D #253E5D

triadic

#255A5D #5D255A #5A5D25

tetradic

#255A5D #44255D #5D2825 #3E5D25

square

#255A5D #44255D #5D2825 #3E5D25

split-complementary

#255A5D #5D253E #5D4425

monochromatic

#091516 #143031 #255A5D #368489 #48AFB5

Accessibility & contrast

On white

7.78

#255A5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#255A5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255A5D

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A5D	#FFFFFF	#000000	##FFFFFF
##255A5D	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)

#54565D

Deuteranopia (green-blind)

#4B4F5D

Tritanopia (blue-blind)

#005D5B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255a5d;
/* rgb */ color: rgb(37, 90, 93);
/* oklch */ color: oklch(43.3% 0.056 200.4);

Tailwind

colors: {
  custom: {
    50: '#66898a',
    500: '#255a5d',
    950: '#000000',
  },
}

SCSS

$custom: #255a5d;
$custom-light: #66898a;
$custom-dark: #000000;

JSON

{
  "hex": "#255a5d",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 93
  },
  "hsl": {
    "h": 183.214,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.43337,
    "c": 0.056,
    "h": 200.4
  },
  "luminance": 0.08496
}

Semantic roles & 50–950 ramp

primary

#255A5D

secondary

#90514D

accent

#5C55D3

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255A5D

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

Preview Lab → · Contrast checker → · Palette generator →