#42525E#42525E

#42525E is a dark, muted cyan. Relative luminance 0.080; OKLCH L 43.0% C 0.028 H 240.7°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#42525E
RGB	rgb(66, 82, 94)
HSL	hsl(206, 18%, 31%)
HSV	hsv(206, 30%, 37%)
CMYK	cmyk(29.8%, 12.8%, 0%, 63.1%)
CIE-LAB	lab(33.98, -3.07, -9.03)
CIE-LCH	lch(33.98, 9.54, 251.22°)
OKLab	oklab(42.96% -0.0138 -0.0247)
OKLCH	oklch(42.96% 0.028 240.7)
XYZ	xyz(7.2838, 8.0007, 11.7480)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42525E #5E4E42

analogous

#425E5C #42525E #42445E

triadic

#42525E #5E4252 #525E42

tetradic

#42525E #5C425E #5E4E42 #445E42

square

#42525E #5C425E #5E4E42 #445E42

split-complementary

#42525E #5E4244 #5E5C42

monochromatic

#101316 #29333A #42525E #5B7182 #7990A1

Accessibility & contrast

On white

8.08

#42525E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#42525E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42525E

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42525E	#FFFFFF	#000000	##FFFFFF
##42525E	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D525F

Deuteranopia (green-blind)

#494F5E

Tritanopia (blue-blind)

#3A5556

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #42525e;
/* rgb */ color: rgb(66, 82, 94);
/* oklch */ color: oklch(43.0% 0.028 240.7);

Tailwind

colors: {
  custom: {
    50: '#77828b',
    500: '#42525e',
    950: '#000000',
  },
}

SCSS

$custom: #42525e;
$custom-light: #77828b;
$custom-dark: #000000;

JSON

{
  "hex": "#42525e",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 94
  },
  "hsl": {
    "h": 205.714,
    "s": 17.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42964,
    "c": 0.02829,
    "h": 240.7
  },
  "luminance": 0.08001
}

Semantic roles & 50–950 ramp

primary

#42525E

secondary

#8D7C6E

accent

#8E6EBA

background

#F7F7F8

surface

#EDEEF0

border

#C8C9CB

text

#080A0C

muted

#7B7C7D

Preview Lab

Preview with #42525E

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

Preview Lab → · Contrast checker → · Palette generator →