#4D66C8#4D66C8

#4D66C8 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.2% C 0.154 H 269.8°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#4D66C8
RGB	rgb(77, 102, 200)
HSL	hsl(228, 53%, 54%)
HSV	hsv(228, 62%, 78%)
CMYK	cmyk(61.5%, 49%, 0%, 21.6%)
CIE-LAB	lab(45.97, 21.24, -53.97)
CIE-LCH	lch(45.97, 58.00, 291.48°)
OKLab	oklab(54.21% -0.0004 -0.1544)
OKLCH	oklch(54.21% 0.154 269.8)
XYZ	xyz(18.2338, 15.2491, 56.6149)
Luminance	0.1525 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66C8 #C8AF4D

analogous

#4DA4C8 #4D66C8 #724DC8

triadic

#4D66C8 #C84D66 #66C84D

tetradic

#4D66C8 #C84DA4 #C8AF4D #4DC872

square

#4D66C8 #C84DA4 #C8AF4D #4DC872

split-complementary

#4D66C8 #C8724D #A4C84D

monochromatic

#243576 #334AA5 #4D66C8 #7C8ED6 #ABB6E5

Accessibility & contrast

On white

5.18

#4D66C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#4D66C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66C8

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66C8	#FFFFFF	#000000	##FFFFFF
##4D66C8	1.00	5.18	4.05	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3373CC

Deuteranopia (green-blind)

#1968C6

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4d66c8;
/* rgb */ color: rgb(77, 102, 200);
/* oklch */ color: oklch(54.2% 0.154 269.8);

Tailwind

colors: {
  custom: {
    50: '#8a91d9',
    500: '#4d66c8',
    950: '#000000',
  },
}

SCSS

$custom: #4d66c8;
$custom-light: #8a91d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66c8",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 227.805,
    "s": 52.79,
    "l": 54.314
  },
  "oklch": {
    "l": 0.5421,
    "c": 0.15444,
    "h": 269.8
  },
  "luminance": 0.15251
}

Semantic roles & 50–950 ramp

primary

#4D66C8

secondary

#D2C89E

accent

#BF4CDC

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4D66C8

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

Preview Lab → · Contrast checker → · Palette generator →