#4F5366#4F5366

#4F5366 is a dark, muted blue. Relative luminance 0.088; OKLCH L 44.6% C 0.032 H 275.7°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#4F5366
RGB	rgb(79, 83, 102)
HSL	hsl(230, 13%, 35%)
HSV	hsv(230, 23%, 40%)
CMYK	cmyk(22.5%, 18.6%, 0%, 60%)
CIE-LAB	lab(35.61, 3.00, -11.50)
CIE-LCH	lch(35.61, 11.88, 284.64°)
OKLab	oklab(44.6% 0.0032 -0.0314)
OKLCH	oklch(44.6% 0.032 275.7)
XYZ	xyz(8.7154, 8.8079, 13.8087)
Luminance	0.0881 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F5366 #66624F

analogous

#4F5E66 #4F5366 #564F66

triadic

#4F5366 #664F53 #53664F

tetradic

#4F5366 #664F5E #66624F #4F6656

square

#4F5366 #664F5E #66624F #4F6656

split-complementary

#4F5366 #66564F #5E664F

monochromatic

#1A1B21 #343744 #4F5366 #6A6F88 #8B8FA5

Accessibility & contrast

On white

7.60

#4F5366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#4F5366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F5366

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F5366	#FFFFFF	#000000	##FFFFFF
##4F5366	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5567

Deuteranopia (green-blind)

#4C5366

Tritanopia (blue-blind)

#4A5659

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #4f5366;
/* rgb */ color: rgb(79, 83, 102);
/* oklch */ color: oklch(44.6% 0.032 275.7);

Tailwind

colors: {
  custom: {
    50: '#808391',
    500: '#4f5366',
    950: '#000000',
  },
}

SCSS

$custom: #4f5366;
$custom-light: #808391;
$custom-dark: #000000;

JSON

{
  "hex": "#4f5366",
  "rgb": {
    "r": 79,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 229.565,
    "s": 12.707,
    "l": 35.49
  },
  "oklch": {
    "l": 0.446,
    "c": 0.03155,
    "h": 275.7
  },
  "luminance": 0.08808
}

Semantic roles & 50–950 ramp

primary

#4F5366

secondary

#938F7E

accent

#AA72B6

background

#F7F8F8

surface

#EEEFF0

border

#C9CACB

text

#0A0A0C

muted

#7C7C7D

Preview Lab

Preview with #4F5366

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

Preview Lab → · Contrast checker → · Palette generator →