#42576E#42576E

#42576E is a dark, muted cyan. Relative luminance 0.091; OKLCH L 44.9% C 0.046 H 251.1°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#42576E
RGB	rgb(66, 87, 110)
HSL	hsl(211, 25%, 35%)
HSV	hsv(211, 40%, 43%)
CMYK	cmyk(40%, 20.9%, 0%, 56.9%)
CIE-LAB	lab(36.18, -1.58, -15.71)
CIE-LCH	lch(36.18, 15.79, 264.26°)
OKLab	oklab(44.9% -0.0148 -0.0434)
OKLCH	oklch(44.9% 0.046 251.1)
XYZ	xyz(8.4685, 9.1000, 16.0591)
Luminance	0.0910 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42576E #6E5942

analogous

#426D6E #42576E #43426E

triadic

#42576E #6E4257 #576E42

tetradic

#42576E #6E426D #6E5942 #426E43

square

#42576E #6E426D #6E5942 #426E43

split-complementary

#42576E #6E4342 #6D6E42

monochromatic

#141A22 #2B3948 #42576E #597594 #7B94B0

Accessibility & contrast

On white

7.45

#42576E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#42576E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42576E

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42576E	#FFFFFF	#000000	##FFFFFF
##42576E	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E586F

Deuteranopia (green-blind)

#49536E

Tritanopia (blue-blind)

#335C5F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #42576e;
/* rgb */ color: rgb(66, 87, 110);
/* oklch */ color: oklch(44.9% 0.046 251.1);

Tailwind

colors: {
  custom: {
    50: '#788697',
    500: '#42576e',
    950: '#000000',
  },
}

SCSS

$custom: #42576e;
$custom-light: #788697;
$custom-dark: #000000;

JSON

{
  "hex": "#42576e",
  "rgb": {
    "r": 66,
    "g": 87,
    "b": 110
  },
  "hsl": {
    "h": 211.364,
    "s": 25,
    "l": 34.51
  },
  "oklch": {
    "l": 0.44899,
    "c": 0.04591,
    "h": 251.1
  },
  "luminance": 0.091
}

Semantic roles & 50–950 ramp

primary

#42576E

secondary

#9B8771

accent

#9666C1

background

#F7F8F9

surface

#EDEFF2

border

#C8CACC

text

#090B0D

muted

#7B7C7E

Preview Lab

Preview with #42576E

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

Preview Lab → · Contrast checker → · Palette generator →