#4D63E1#4D63E1

#4D63E1 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.4% C 0.192 H 271.2°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#4D63E1
RGB	rgb(77, 99, 225)
HSL	hsl(231, 71%, 59%)
HSV	hsv(231, 66%, 88%)
CMYK	cmyk(65.8%, 56%, 0%, 11.8%)
CIE-LAB	lab(46.89, 31.71, -66.76)
CIE-LCH	lch(46.89, 73.91, 295.41°)
OKLab	oklab(55.44% 0.0042 -0.1921)
OKLCH	oklch(55.44% 0.192 271.2)
XYZ	xyz(21.1084, 15.9358, 73.1831)
Luminance	0.1594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D63E1 #E1CB4D

analogous

#4DADE1 #4D63E1 #814DE1

triadic

#4D63E1 #E14D63 #63E14D

tetradic

#4D63E1 #E14DAD #E1CB4D #4DE181

square

#4D63E1 #E14DAD #E1CB4D #4DE181

split-complementary

#4D63E1 #E1814D #ADE14D

monochromatic

#1A2D9A #233CCE #4D63E1 #8191EA #B6BFF3

Accessibility & contrast

On white

5.01

#4D63E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#4D63E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D63E1

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D63E1	#FFFFFF	#000000	##FFFFFF
##4D63E1	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E5

Deuteranopia (green-blind)

#0069DE

Tritanopia (blue-blind)

#008298

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4d63e1;
/* rgb */ color: rgb(77, 99, 225);
/* oklch */ color: oklch(55.4% 0.192 271.2);

Tailwind

colors: {
  custom: {
    50: '#8f8feb',
    500: '#4d63e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d63e1;
$custom-light: #8f8feb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d63e1",
  "rgb": {
    "r": 77,
    "g": 99,
    "b": 225
  },
  "hsl": {
    "h": 231.081,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.55438,
    "c": 0.19214,
    "h": 271.2
  },
  "luminance": 0.15938
}

Semantic roles & 50–950 ramp

primary

#4D63E1

secondary

#E2D9A8

accent

#D33AEE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4D63E1

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

Preview Lab → · Contrast checker → · Palette generator →