#4D66EC#4D66EC

#4D66EC is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 56.8% C 0.203 H 270.6°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4D66EC
RGB	rgb(77, 102, 236)
HSL	hsl(231, 81%, 61%)
HSV	hsv(231, 67%, 93%)
CMYK	cmyk(67.4%, 56.8%, 0%, 7.5%)
CIE-LAB	lab(48.43, 33.63, -70.46)
CIE-LCH	lch(48.43, 78.07, 295.51°)
OKLab	oklab(56.84% 0.002 -0.2029)
OKLCH	oklch(56.84% 0.203 270.6)
XYZ	xyz(22.9471, 17.1345, 81.4386)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D66EC #ECD34D

analogous

#4DB6EC #4D66EC #844DEC

triadic

#4D66EC #EC4D66 #66EC4D

tetradic

#4D66EC #EC4DB6 #ECD34D #4DEC84

square

#4D66EC #EC4DB6 #ECD34D #4DEC84

split-complementary

#4D66EC #EC844D #B6EC4D

monochromatic

#122BAC #1838E4 #4D66EC #8496F2 #BCC5F8

Accessibility & contrast

On white

4.74

#4D66EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#4D66EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D66EC

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D66EC	#FFFFFF	#000000	##FFFFFF
##4D66EC	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AF1

Deuteranopia (green-blind)

#006CE9

Tritanopia (blue-blind)

#00879F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4d66ec;
/* rgb */ color: rgb(77, 102, 236);
/* oklch */ color: oklch(56.8% 0.203 270.6);

Tailwind

colors: {
  custom: {
    50: '#9091f3',
    500: '#4d66ec',
    950: '#000000',
  },
}

SCSS

$custom: #4d66ec;
$custom-light: #9091f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d66ec",
  "rgb": {
    "r": 77,
    "g": 102,
    "b": 236
  },
  "hsl": {
    "h": 230.566,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.56838,
    "c": 0.20295,
    "h": 270.6
  },
  "luminance": 0.17137
}

Semantic roles & 50–950 ramp

primary

#4D66EC

secondary

#E8DFAD

accent

#BC08DD

background

#F9F8FF

surface

#F2F0FE

border

#CCCBD6

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #4D66EC

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

Preview Lab → · Contrast checker → · Palette generator →