#4D5366#4D5366

#4D5366 is a dark, muted blue. Relative luminance 0.087; OKLCH L 44.4% C 0.032 H 271.3°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4D5366
RGB	rgb(77, 83, 102)
HSL	hsl(226, 14%, 35%)
HSV	hsv(226, 25%, 40%)
CMYK	cmyk(24.5%, 18.6%, 0%, 60%)
CIE-LAB	lab(35.45, 2.30, -11.76)
CIE-LCH	lch(35.45, 11.99, 281.04°)
OKLab	oklab(44.43% 0.0007 -0.0322)
OKLCH	oklch(44.43% 0.032 271.3)
XYZ	xyz(8.5515, 8.7234, 13.8010)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D5366 #66604D

analogous

#4D5F66 #4D5366 #544D66

triadic

#4D5366 #664D53 #53664D

tetradic

#4D5366 #664D5F #66604D #4D6654

square

#4D5366 #664D5F #66604D #4D6654

split-complementary

#4D5366 #66544D #5F664D

monochromatic

#181A20 #333743 #4D5366 #676F89 #888FA5

Accessibility & contrast

On white

7.65

#4D5366 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#4D5366 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D5366

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D5366	#FFFFFF	#000000	##FFFFFF
##4D5366	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5467

Deuteranopia (green-blind)

#4C5266

Tritanopia (blue-blind)

#475759

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4d5366;
/* rgb */ color: rgb(77, 83, 102);
/* oklch */ color: oklch(44.4% 0.032 271.3);

Tailwind

colors: {
  custom: {
    50: '#7f8391',
    500: '#4d5366',
    950: '#000000',
  },
}

SCSS

$custom: #4d5366;
$custom-light: #7f8391;
$custom-dark: #000000;

JSON

{
  "hex": "#4d5366",
  "rgb": {
    "r": 77,
    "g": 83,
    "b": 102
  },
  "hsl": {
    "h": 225.6,
    "s": 13.966,
    "l": 35.098
  },
  "oklch": {
    "l": 0.44429,
    "c": 0.03218,
    "h": 271.3
  },
  "luminance": 0.08724
}

Semantic roles & 50–950 ramp

primary

#4D5366

secondary

#938D7C

accent

#A671B7

background

#F7F8F8

surface

#EEEFF0

border

#C9CACB

text

#0A0A0C

muted

#7C7C7D

Preview Lab

Preview with #4D5366

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

Preview Lab → · Contrast checker → · Palette generator →