#42525C#42525C

#42525C is a dark, muted cyan. Relative luminance 0.080; OKLCH L 42.9% C 0.026 H 235.7°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#42525C
RGB	rgb(66, 82, 92)
HSL	hsl(203, 16%, 31%)
HSV	hsv(203, 28%, 36%)
CMYK	cmyk(28.3%, 10.9%, 0%, 63.9%)
CIE-LAB	lab(33.91, -3.62, -7.88)
CIE-LCH	lch(33.91, 8.67, 245.35°)
OKLab	oklab(42.88% -0.0147 -0.0215)
OKLCH	oklch(42.88% 0.026 235.7)
XYZ	xyz(7.1953, 7.9653, 11.2815)
Luminance	0.0797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42525C #5C4C42

analogous

#425C59 #42525C #42455C

triadic

#42525C #5C4252 #525C42

tetradic

#42525C #59425C #5C4C42 #455C42

square

#42525C #59425C #5C4C42 #455C42

split-complementary

#42525C #5C4245 #5C5942

monochromatic

#0F1215 #283238 #42525C #5C7280 #79919F

Accessibility & contrast

On white

8.10

#42525C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#42525C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42525C

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42525C	#FFFFFF	#000000	##FFFFFF
##42525C	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D515D

Deuteranopia (green-blind)

#4A4E5C

Tritanopia (blue-blind)

#3A5555

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #42525c;
/* rgb */ color: rgb(66, 82, 92);
/* oklch */ color: oklch(42.9% 0.026 235.7);

Tailwind

colors: {
  custom: {
    50: '#77828a',
    500: '#42525c',
    950: '#000000',
  },
}

SCSS

$custom: #42525c;
$custom-light: #77828a;
$custom-dark: #000000;

JSON

{
  "hex": "#42525c",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 92
  },
  "hsl": {
    "h": 203.077,
    "s": 16.456,
    "l": 30.98
  },
  "oklch": {
    "l": 0.42881,
    "c": 0.02604,
    "h": 235.7
  },
  "luminance": 0.07966
}

Semantic roles & 50–950 ramp

primary

#42525C

secondary

#8B7A6F

accent

#8B6FB9

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #42525C

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

Preview Lab → · Contrast checker → · Palette generator →