#4D66E0#4D66E0

#4D66E0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.9% C 0.187 H 270.5°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4D66E0
RGB	rgb(77, 102, 224)
HSL	hsl(230, 70%, 59%)
HSV	hsv(230, 66%, 88%)
CMYK	cmyk(65.6%, 54.5%, 0%, 12.2%)
CIE-LAB	lab(47.57, 29.50, -65.09)
CIE-LCH	lch(47.57, 71.46, 294.38°)
OKLab	oklab(55.93% 0.0016 -0.1871)
OKLCH	oklch(55.93% 0.187 270.5)
XYZ	xyz(21.2619, 16.4604, 72.5632)
Luminance	0.1646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66E0 #E0C74D

analogous

#4DB0E0 #4D66E0 #7E4DE0

triadic

#4D66E0 #E04D66 #66E04D

tetradic

#4D66E0 #E04DB0 #E0C74D #4DE07E

square

#4D66E0 #E04DB0 #E0C74D #4DE07E

split-complementary

#4D66E0 #E07E4D #B0E04D

monochromatic

#1A3098 #2440CC #4D66E0 #8193E9 #B5C0F2

Accessibility & contrast

On white

4.89

#4D66E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#4D66E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66E0

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66E0	#FFFFFF	#000000	##FFFFFF
##4D66E0	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E4

Deuteranopia (green-blind)

#006ADE

Tritanopia (blue-blind)

#008399

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4d66e0;
/* rgb */ color: rgb(77, 102, 224);
/* oklch */ color: oklch(55.9% 0.187 270.5);

Tailwind

colors: {
  custom: {
    50: '#8e91ea',
    500: '#4d66e0',
    950: '#000000',
  },
}

SCSS

$custom: #4d66e0;
$custom-light: #8e91ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66e0",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 224
  },
  "hsl": {
    "h": 229.796,
    "s": 70.335,
    "l": 59.02
  },
  "oklch": {
    "l": 0.55927,
    "c": 0.18715,
    "h": 270.5
  },
  "luminance": 0.16462
}

Semantic roles & 50–950 ramp

primary

#4D66E0

secondary

#E1D7A8

accent

#CF3BED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #4D66E0

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

Preview Lab → · Contrast checker → · Palette generator →