#4D66DA#4D66DA

#4D66DA is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.5% C 0.179 H 270.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4D66DA
RGB	rgb(77, 102, 218)
HSL	hsl(229, 66%, 58%)
HSV	hsv(229, 65%, 85%)
CMYK	cmyk(64.7%, 53.2%, 0%, 14.5%)
CIE-LAB	lab(47.16, 27.44, -62.36)
CIE-LCH	lch(47.16, 68.12, 293.75°)
OKLab	oklab(55.48% 0.0012 -0.1791)
OKLCH	oklch(55.48% 0.179 270.4)
XYZ	xyz(20.4625, 16.1406, 68.3532)
Luminance	0.1614 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66DA #DAC14D

analogous

#4DACDA #4D66DA #7B4DDA

triadic

#4D66DA #DA4D66 #66DA4D

tetradic

#4D66DA #DA4DAC #DAC14D #4DDA7B

square

#4D66DA #DA4DAC #DAC14D #4DDA7B

split-complementary

#4D66DA #DA7B4D #ACDA4D

monochromatic

#1E328F #2843C2 #4D66DA #8092E5 #B2BDEF

Accessibility & contrast

On white

4.97

#4D66DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#4D66DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66DA

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66DA	#FFFFFF	#000000	##FFFFFF
##4D66DA	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1576DE

Deuteranopia (green-blind)

#006AD8

Tritanopia (blue-blind)

#008196

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4d66da;
/* rgb */ color: rgb(77, 102, 218);
/* oklch */ color: oklch(55.5% 0.179 270.4);

Tailwind

colors: {
  custom: {
    50: '#8d91e6',
    500: '#4d66da',
    950: '#000000',
  },
}

SCSS

$custom: #4d66da;
$custom-light: #8d91e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66da",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 218
  },
  "hsl": {
    "h": 229.362,
    "s": 65.581,
    "l": 57.843
  },
  "oklch": {
    "l": 0.55484,
    "c": 0.1791,
    "h": 270.4
  },
  "luminance": 0.16142
}

Semantic roles & 50–950 ramp

primary

#4D66DA

secondary

#DED4A5

accent

#CB3FE9

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #4D66DA

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

Preview Lab → · Contrast checker → · Palette generator →