#5C66E3#5C66E3

#5C66E3 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 57.0% C 0.187 H 275.3°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5C66E3
RGB	rgb(92, 102, 227)
HSL	hsl(236, 71%, 63%)
HSV	hsv(236, 59%, 89%)
CMYK	cmyk(59.5%, 55.1%, 0%, 11%)
CIE-LAB	lab(48.66, 32.97, -64.97)
CIE-LCH	lch(48.66, 72.86, 296.91°)
OKLab	oklab(57.04% 0.0173 -0.1864)
OKLCH	oklch(57.04% 0.187 275.3)
XYZ	xyz(23.0256, 17.3223, 74.7883)
Luminance	0.1732 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C66E3 #E3D95C

analogous

#5CA9E3 #5C66E3 #965CE3

triadic

#5C66E3 #E35C66 #66E35C

tetradic

#5C66E3 #E35CA9 #E3D95C #5CE396

square

#5C66E3 #E35CA9 #E3D95C #5CE396

split-complementary

#5C66E3 #E3965C #A9E35C

monochromatic

#1D27A8 #2835DA #5C66E3 #9097EC #C4C8F5

Accessibility & contrast

On white

4.70

#5C66E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#5C66E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5C66E3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C66E3	#FFFFFF	#000000	##FFFFFF
##5C66E3	1.00	4.70	4.46	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AE7

Deuteranopia (green-blind)

#006EE0

Tritanopia (blue-blind)

#00839B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5c66e3;
/* rgb */ color: rgb(92, 102, 227);
/* oklch */ color: oklch(57.0% 0.187 275.3);

Tailwind

colors: {
  custom: {
    50: '#9691ed',
    500: '#5c66e3',
    950: '#000000',
  },
}

SCSS

$custom: #5c66e3;
$custom-light: #9691ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5c66e3",
  "rgb": {
    "r": 92,
    "g": 102,
    "b": 227
  },
  "hsl": {
    "h": 235.556,
    "s": 70.681,
    "l": 62.549
  },
  "oklch": {
    "l": 0.57042,
    "c": 0.18725,
    "h": 275.3
  },
  "luminance": 0.17324
}

Semantic roles & 50–950 ramp

primary

#5C66E3

secondary

#E6E2B5

accent

#C413D3

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5C66E3

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

Preview Lab → · Contrast checker → · Palette generator →