#42576C#42576C

#42576C is a dark, muted cyan. Relative luminance 0.091; OKLCH L 44.8% C 0.043 H 248.8°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#42576C
RGB	rgb(66, 87, 108)
HSL	hsl(210, 24%, 34%)
HSV	hsv(210, 39%, 42%)
CMYK	cmyk(38.9%, 19.4%, 0%, 57.6%)
CIE-LAB	lab(36.09, -2.17, -14.59)
CIE-LCH	lch(36.09, 14.76, 261.53°)
OKLab	oklab(44.81% -0.0156 -0.0403)
OKLCH	oklch(44.81% 0.043 248.8)
XYZ	xyz(8.3609, 9.0569, 15.4921)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42576C #6C5742

analogous

#426C6C #42576C #42426C

triadic

#42576C #6C4257 #576C42

tetradic

#42576C #6C426C #6C5742 #426C42

square

#42576C #6C426C #6C5742 #426C42

split-complementary

#42576C #6C4242 #6C6C42

monochromatic

#141A20 #2B3846 #42576C #597692 #7A94AE

Accessibility & contrast

On white

7.47

#42576C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#42576C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42576C

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42576C	#FFFFFF	#000000	##FFFFFF
##42576C	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F576D

Deuteranopia (green-blind)

#4A536C

Tritanopia (blue-blind)

#345C5E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #42576c;
/* rgb */ color: rgb(66, 87, 108);
/* oklch */ color: oklch(44.8% 0.043 248.8);

Tailwind

colors: {
  custom: {
    50: '#788696',
    500: '#42576c',
    950: '#000000',
  },
}

SCSS

$custom: #42576c;
$custom-light: #788696;
$custom-dark: #000000;

JSON

{
  "hex": "#42576c",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 108
  },
  "hsl": {
    "h": 210,
    "s": 24.138,
    "l": 34.118
  },
  "oklch": {
    "l": 0.44807,
    "c": 0.04321,
    "h": 248.8
  },
  "luminance": 0.09057
}

Semantic roles & 50–950 ramp

primary

#42576C

secondary

#9A8570

accent

#9467C1

background

#F7F8F9

surface

#EDEFF1

border

#C8CACB

text

#090B0D

muted

#7B7C7E

Preview Lab

Preview with #42576C

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

Preview Lab → · Contrast checker → · Palette generator →