#4D66D3#4D66D3

#4D66D3 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.170 H 270.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#4D66D3
RGB	rgb(77, 102, 211)
HSL	hsl(229, 60%, 56%)
HSV	hsv(229, 64%, 83%)
CMYK	cmyk(63.5%, 51.7%, 0%, 17.3%)
CIE-LAB	lab(46.69, 25.02, -59.13)
CIE-LCH	lch(46.69, 64.21, 292.94°)
OKLab	oklab(54.98% 0.0007 -0.1696)
OKLCH	oklch(54.98% 0.17 270.2)
XYZ	xyz(19.5658, 15.7819, 63.6305)
Luminance	0.1578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66D3 #D3BA4D

analogous

#4DA9D3 #4D66D3 #774DD3

triadic

#4D66D3 #D34D66 #66D34D

tetradic

#4D66D3 #D34DA9 #D3BA4D #4DD377

square

#4D66D3 #D34DA9 #D3BA4D #4DD377

split-complementary

#4D66D3 #D3774D #A9D34D

monochromatic

#213385 #2D46B6 #4D66D3 #7E90DF #AFBAEB

Accessibility & contrast

On white

5.05

#4D66D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#4D66D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66D3

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66D3	#FFFFFF	#000000	##FFFFFF
##4D66D3	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2475D7

Deuteranopia (green-blind)

#0069D1

Tritanopia (blue-blind)

#007F93

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4d66d3;
/* rgb */ color: rgb(77, 102, 211);
/* oklch */ color: oklch(55.0% 0.170 270.2);

Tailwind

colors: {
  custom: {
    50: '#8c91e1',
    500: '#4d66d3',
    950: '#000000',
  },
}

SCSS

$custom: #4d66d3;
$custom-light: #8c91e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66d3",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 211
  },
  "hsl": {
    "h": 228.806,
    "s": 60.36,
    "l": 56.471
  },
  "oklch": {
    "l": 0.54979,
    "c": 0.16961,
    "h": 270.2
  },
  "luminance": 0.15784
}

Semantic roles & 50–950 ramp

primary

#4D66D3

secondary

#D9CFA2

accent

#C644E4

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D66D3

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

Preview Lab → · Contrast checker → · Palette generator →