#4D579D#4D579D

#4D579D is a mid, moderate blue. Relative luminance 0.108; OKLCH L 48.3% C 0.112 H 275.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4D579D
RGB	rgb(77, 87, 157)
HSL	hsl(233, 34%, 46%)
HSV	hsv(233, 51%, 62%)
CMYK	cmyk(51%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(39.29, 16.31, -39.45)
CIE-LCH	lch(39.29, 42.69, 292.46°)
OKLab	oklab(48.28% 0.0103 -0.1119)
OKLCH	oklch(48.28% 0.112 275.2)
XYZ	xyz(12.5526, 10.8277, 33.3203)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D579D #9D934D

analogous

#4D7F9D #4D579D #6B4D9D

triadic

#4D579D #9D4D57 #579D4D

tetradic

#4D579D #9D4D7F #9D934D #4D9D6B

square

#4D579D #9D4D7F #9D934D #4D9D6B

split-complementary

#4D579D #9D6B4D #7F9D4D

monochromatic

#25294B #394074 #4D579D #6F78B8 #989FCC

Accessibility & contrast

On white

6.63

#4D579D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4D579D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D579D

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D579D	#FFFFFF	#000000	##FFFFFF
##4D579D	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A60A0

Deuteranopia (green-blind)

#32599B

Tritanopia (blue-blind)

#2C6672

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4d579d;
/* rgb */ color: rgb(77, 87, 157);
/* oklch */ color: oklch(48.3% 0.112 275.2);

Tailwind

colors: {
  custom: {
    50: '#8486ba',
    500: '#4d579d',
    950: '#000000',
  },
}

SCSS

$custom: #4d579d;
$custom-light: #8486ba;
$custom-dark: #000000;

JSON

{
  "hex": "#4d579d",
  "rgb": {
    "r": 77,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 232.5,
    "s": 34.188,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48277,
    "c": 0.11241,
    "h": 275.2
  },
  "luminance": 0.10828
}

Semantic roles & 50–950 ramp

primary

#4D579D

secondary

#B9B38D

accent

#BD5ECA

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4D579D

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

Preview Lab → · Contrast checker → · Palette generator →