#4D66D5#4D66D5

#4D66D5 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.1% C 0.172 H 270.3°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#4D66D5
RGB	rgb(77, 102, 213)
HSL	hsl(229, 62%, 57%)
HSV	hsv(229, 64%, 84%)
CMYK	cmyk(63.8%, 52.1%, 0%, 16.5%)
CIE-LAB	lab(46.82, 25.71, -60.06)
CIE-LCH	lch(46.82, 65.33, 293.18°)
OKLab	oklab(55.12% 0.0009 -0.1723)
OKLCH	oklch(55.12% 0.172 270.3)
XYZ	xyz(19.8181, 15.8829, 64.9592)
Luminance	0.1588 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66D5 #D5BC4D

analogous

#4DAAD5 #4D66D5 #784DD5

triadic

#4D66D5 #D54D66 #66D54D

tetradic

#4D66D5 #D54DAA #D5BC4D #4DD578

square

#4D66D5 #D54DAA #D5BC4D #4DD578

split-complementary

#4D66D5 #D5784D #AAD54D

monochromatic

#203388 #2C46B9 #4D66D5 #7F91E1 #B0BBEC

Accessibility & contrast

On white

5.03

#4D66D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#4D66D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66D5

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66D5	#FFFFFF	#000000	##FFFFFF
##4D66D5	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2175D9

Deuteranopia (green-blind)

#0069D3

Tritanopia (blue-blind)

#008094

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4d66d5;
/* rgb */ color: rgb(77, 102, 213);
/* oklch */ color: oklch(55.1% 0.172 270.3);

Tailwind

colors: {
  custom: {
    50: '#8c91e3',
    500: '#4d66d5',
    950: '#000000',
  },
}

SCSS

$custom: #4d66d5;
$custom-light: #8c91e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66d5",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 213
  },
  "hsl": {
    "h": 228.971,
    "s": 61.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55122,
    "c": 0.17234,
    "h": 270.3
  },
  "luminance": 0.15885
}

Semantic roles & 50–950 ramp

primary

#4D66D5

secondary

#DBD0A3

accent

#C743E5

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C15

muted

#7E7D84

Preview Lab

Preview with #4D66D5

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

Preview Lab → · Contrast checker → · Palette generator →