#42576F#42576F

#42576F is a dark, muted cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.047 H 252.2°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#42576F
RGB	rgb(66, 87, 111)
HSL	hsl(212, 25%, 35%)
HSV	hsv(212, 41%, 44%)
CMYK	cmyk(40.5%, 21.6%, 0%, 56.5%)
CIE-LAB	lab(36.22, -1.28, -16.27)
CIE-LCH	lch(36.22, 16.32, 265.51°)
OKLab	oklab(44.95% -0.0145 -0.045)
OKLCH	oklch(44.95% 0.047 252.2)
XYZ	xyz(8.5233, 9.1219, 16.3474)
Luminance	0.0912 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42576F #6F5A42

analogous

#426E6F #42576F #44426F

triadic

#42576F #6F4257 #576F42

tetradic

#42576F #6F426E #6F5A42 #426F44

square

#42576F #6F426E #6F5A42 #426F44

split-complementary

#42576F #6F4442 #6E6F42

monochromatic

#141B22 #2B3949 #42576F #597595 #7B94B0

Accessibility & contrast

On white

7.44

#42576F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#42576F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42576F

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42576F	#FFFFFF	#000000	##FFFFFF
##42576F	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5870

Deuteranopia (green-blind)

#49536F

Tritanopia (blue-blind)

#335C5F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #42576f;
/* rgb */ color: rgb(66, 87, 111);
/* oklch */ color: oklch(44.9% 0.047 252.2);

Tailwind

colors: {
  custom: {
    50: '#788698',
    500: '#42576f',
    950: '#000000',
  },
}

SCSS

$custom: #42576f;
$custom-light: #788698;
$custom-dark: #000000;

JSON

{
  "hex": "#42576f",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 111
  },
  "hsl": {
    "h": 212,
    "s": 25.424,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44946,
    "c": 0.0473,
    "h": 252.2
  },
  "luminance": 0.09122
}

Semantic roles & 50–950 ramp

primary

#42576F

secondary

#9C8871

accent

#9766C2

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0D

muted

#7B7C7E

Preview Lab

Preview with #42576F

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

Preview Lab → · Contrast checker → · Palette generator →