#42585C#42585C

#42585C is a dark, muted teal. Relative luminance 0.089; OKLCH L 44.4% C 0.028 H 209.9°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#42585C
RGB	rgb(66, 88, 92)
HSL	hsl(189, 16%, 31%)
HSV	hsv(189, 28%, 36%)
CMYK	cmyk(28.3%, 4.3%, 0%, 63.9%)
CIE-LAB	lab(35.81, -7.28, -5.04)
CIE-LCH	lch(35.81, 8.85, 214.72°)
OKLab	oklab(44.39% -0.0239 -0.0137)
OKLCH	oklch(44.39% 0.028 209.9)
XYZ	xyz(7.6677, 8.9101, 11.4389)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42585C #5C4642

analogous

#425C53 #42585C #424B5C

triadic

#42585C #5C4258 #585C42

tetradic

#42585C #53425C #5C4642 #4B5C42

square

#42585C #53425C #5C4642 #4B5C42

split-complementary

#42585C #5C424B #5C5342

monochromatic

#0F1415 #283638 #42585C #5C7A80 #79999F

Accessibility & contrast

On white

7.55

#42585C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#42585C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42585C

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42585C	#FFFFFF	#000000	##FFFFFF
##42585C	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54565C

Deuteranopia (green-blind)

#50535C

Tritanopia (blue-blind)

#3A5A59

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #42585c;
/* rgb */ color: rgb(66, 88, 92);
/* oklch */ color: oklch(44.4% 0.028 209.9);

Tailwind

colors: {
  custom: {
    50: '#77878a',
    500: '#42585c',
    950: '#000000',
  },
}

SCSS

$custom: #42585c;
$custom-light: #77878a;
$custom-dark: #000000;

JSON

{
  "hex": "#42585c",
  "rgb": {
    "r": 66,
    "g": 88,
    "b": 92
  },
  "hsl": {
    "h": 189.231,
    "s": 16.456,
    "l": 30.98
  },
  "oklch": {
    "l": 0.44386,
    "c": 0.02754,
    "h": 209.9
  },
  "luminance": 0.0891
}

Semantic roles & 50–950 ramp

primary

#42585C

secondary

#8B736F

accent

#7A6FB9

background

#F7F8F8

surface

#EDEFF0

border

#C8CACB

text

#080B0B

muted

#7B7C7C

Preview Lab

Preview with #42585C

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

Preview Lab → · Contrast checker → · Palette generator →