#255758#255758

#255758 is a dark, muted teal. Relative luminance 0.079; OKLCH L 42.3% C 0.054 H 197.1°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#255758
RGB	rgb(37, 87, 88)
HSL	hsl(181, 41%, 25%)
HSV	hsv(181, 58%, 35%)
CMYK	cmyk(58%, 1.1%, 0%, 65.5%)
CIE-LAB	lab(33.80, -16.34, -5.69)
CIE-LCH	lch(33.80, 17.30, 199.20°)
OKLab	oklab(42.32% -0.0512 -0.0157)
OKLCH	oklch(42.32% 0.054 197.1)
XYZ	xyz(5.9319, 7.9137, 10.4455)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255758 #582625

analogous

#255840 #255758 #253E58

triadic

#255758 #582557 #575825

tetradic

#255758 #402558 #582625 #3E5825

square

#255758 #402558 #582625 #3E5825

split-complementary

#255758 #58253E #584025

monochromatic

#091516 #132C2D #255758 #378283 #49ACAE

Accessibility & contrast

On white

8.13

#255758 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#255758 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255758

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255758	#FFFFFF	#000000	##FFFFFF
##255758	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515358

Deuteranopia (green-blind)

#494D58

Tritanopia (blue-blind)

#005A57

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #255758;
/* rgb */ color: rgb(37, 87, 88);
/* oklch */ color: oklch(42.3% 0.054 197.1);

Tailwind

colors: {
  custom: {
    50: '#658687',
    500: '#255758',
    950: '#000000',
  },
}

SCSS

$custom: #255758;
$custom-light: #658687;
$custom-dark: #000000;

JSON

{
  "hex": "#255758",
  "rgb": {
    "r": 37,
    "g": 87,
    "b": 88
  },
  "hsl": {
    "h": 181.176,
    "s": 40.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.42318,
    "c": 0.05352,
    "h": 197.1
  },
  "luminance": 0.07914
}

Semantic roles & 50–950 ramp

primary

#255758

secondary

#8B4F4D

accent

#5A57D1

background

#F6F8F8

surface

#EBEFEF

border

#C6CACA

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255758

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

Preview Lab → · Contrast checker → · Palette generator →