#4D66DF#4D66DF

#4D66DF is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.9% C 0.186 H 270.5°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#4D66DF
RGB	rgb(77, 102, 223)
HSL	hsl(230, 70%, 59%)
HSV	hsv(230, 65%, 87%)
CMYK	cmyk(65.5%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(47.50, 29.16, -64.63)
CIE-LCH	lch(47.50, 70.91, 294.28°)
OKLab	oklab(55.85% 0.0015 -0.1858)
OKLCH	oklch(55.85% 0.186 270.5)
XYZ	xyz(21.1267, 16.4063, 71.8511)
Luminance	0.1641 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66DF #DFC64D

analogous

#4DAFDF #4D66DF #7D4DDF

triadic

#4D66DF #DF4D66 #66DF4D

tetradic

#4D66DF #DF4DAF #DFC64D #4DDF7D

square

#4D66DF #DF4DAF #DFC64D #4DDF7D

split-complementary

#4D66DF #DF7D4D #AFDF4D

monochromatic

#1B3097 #2441CA #4D66DF #8193E8 #B5BFF2

Accessibility & contrast

On white

4.90

#4D66DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#4D66DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66DF

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66DF	#FFFFFF	#000000	##FFFFFF
##4D66DF	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E3

Deuteranopia (green-blind)

#006ADD

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4d66df;
/* rgb */ color: rgb(77, 102, 223);
/* oklch */ color: oklch(55.9% 0.186 270.5);

Tailwind

colors: {
  custom: {
    50: '#8e91ea',
    500: '#4d66df',
    950: '#000000',
  },
}

SCSS

$custom: #4d66df;
$custom-light: #8e91ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66df",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 229.726,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55853,
    "c": 0.18582,
    "h": 270.5
  },
  "luminance": 0.16408
}

Semantic roles & 50–950 ramp

primary

#4D66DF

secondary

#E1D7A7

accent

#CE3BEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4D66DF

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

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