#4D66D7#4D66D7

#4D66D7 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.3% C 0.175 H 270.3°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#4D66D7
RGB	rgb(77, 102, 215)
HSL	hsl(229, 63%, 57%)
HSV	hsv(229, 64%, 84%)
CMYK	cmyk(64.2%, 52.6%, 0%, 15.7%)
CIE-LAB	lab(46.95, 26.40, -60.98)
CIE-LCH	lch(46.95, 66.45, 293.41°)
OKLab	oklab(55.27% 0.001 -0.175)
OKLCH	oklch(55.27% 0.175 270.3)
XYZ	xyz(20.0735, 15.9850, 66.3044)
Luminance	0.1599 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66D7 #D7BE4D

analogous

#4DABD7 #4D66D7 #794DD7

triadic

#4D66D7 #D74D66 #66D74D

tetradic

#4D66D7 #D74DAB #D7BE4D #4DD779

square

#4D66D7 #D74DAB #D7BE4D #4DD779

split-complementary

#4D66D7 #D7794D #ABD74D

monochromatic

#1F338A #2A45BC #4D66D7 #7F91E2 #B1BCED

Accessibility & contrast

On white

5.00

#4D66D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#4D66D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66D7

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66D7	#FFFFFF	#000000	##FFFFFF
##4D66D7	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C76DB

Deuteranopia (green-blind)

#0069D5

Tritanopia (blue-blind)

#008195

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #4d66d7;
/* rgb */ color: rgb(77, 102, 215);
/* oklch */ color: oklch(55.3% 0.175 270.3);

Tailwind

colors: {
  custom: {
    50: '#8d91e4',
    500: '#4d66d7',
    950: '#000000',
  },
}

SCSS

$custom: #4d66d7;
$custom-light: #8d91e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66d7",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 215
  },
  "hsl": {
    "h": 229.13,
    "s": 63.303,
    "l": 57.255
  },
  "oklch": {
    "l": 0.55266,
    "c": 0.17505,
    "h": 270.3
  },
  "luminance": 0.15987
}

Semantic roles & 50–950 ramp

primary

#4D66D7

secondary

#DCD2A4

accent

#C841E6

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4D66D7

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

Preview Lab → · Contrast checker → · Palette generator →