#4D66E1#4D66E1

#4D66E1 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.188 H 270.5°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4D66E1
RGB	rgb(77, 102, 225)
HSL	hsl(230, 71%, 59%)
HSV	hsv(230, 66%, 88%)
CMYK	cmyk(65.8%, 54.7%, 0%, 11.8%)
CIE-LAB	lab(47.64, 29.85, -65.54)
CIE-LCH	lch(47.64, 72.02, 294.48°)
OKLab	oklab(56% 0.0016 -0.1885)
OKLCH	oklch(56% 0.188 270.5)
XYZ	xyz(21.3979, 16.5148, 73.2796)
Luminance	0.1652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66E1 #E1C84D

analogous

#4DB0E1 #4D66E1 #7E4DE1

triadic

#4D66E1 #E14D66 #66E14D

tetradic

#4D66E1 #E14DB0 #E1C84D #4DE17E

square

#4D66E1 #E14DB0 #E1C84D #4DE17E

split-complementary

#4D66E1 #E17E4D #B0E14D

monochromatic

#1A2F9A #2340CE #4D66E1 #8193EA #B6C0F3

Accessibility & contrast

On white

4.88

#4D66E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4D66E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66E1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66E1	#FFFFFF	#000000	##FFFFFF
##4D66E1	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E5

Deuteranopia (green-blind)

#006BDF

Tritanopia (blue-blind)

#00849A

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4d66e1;
/* rgb */ color: rgb(77, 102, 225);
/* oklch */ color: oklch(56.0% 0.188 270.5);

Tailwind

colors: {
  custom: {
    50: '#8e91eb',
    500: '#4d66e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d66e1;
$custom-light: #8e91eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66e1",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 225
  },
  "hsl": {
    "h": 229.865,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.56002,
    "c": 0.18848,
    "h": 270.5
  },
  "luminance": 0.16517
}

Semantic roles & 50–950 ramp

primary

#4D66E1

secondary

#E2D8A8

accent

#CF3AEE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4D66E1

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

Preview Lab → · Contrast checker → · Palette generator →