#5C66E9#5C66E9

#5C66E9 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.5% C 0.195 H 275.1°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#5C66E9
RGB	rgb(92, 102, 233)
HSL	hsl(236, 76%, 64%)
HSV	hsv(236, 61%, 91%)
CMYK	cmyk(60.5%, 56.2%, 0%, 8.6%)
CIE-LAB	lab(49.08, 34.93, -67.68)
CIE-LCH	lch(49.08, 76.16, 297.30°)
OKLab	oklab(57.49% 0.0175 -0.1944)
OKLCH	oklch(57.49% 0.195 275.1)
XYZ	xyz(23.8682, 17.6594, 79.2258)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C66E9 #E9DF5C

analogous

#5CACE9 #5C66E9 #985CE9

triadic

#5C66E9 #E95C66 #66E95C

tetradic

#5C66E9 #E95CAC #E9DF5C #5CE998

square

#5C66E9 #E95CAC #E9DF5C #5CE998

split-complementary

#5C66E9 #E9985C #ACE95C

monochromatic

#1823B3 #2633E2 #5C66E9 #9299F0 #C8CBF8

Accessibility & contrast

On white

4.63

#5C66E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#5C66E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5C66E9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C66E9	#FFFFFF	#000000	##FFFFFF
##5C66E9	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BED

Deuteranopia (green-blind)

#006FE6

Tritanopia (blue-blind)

#00859E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5c66e9;
/* rgb */ color: rgb(92, 102, 233);
/* oklch */ color: oklch(57.5% 0.195 275.1);

Tailwind

colors: {
  custom: {
    50: '#9791f1',
    500: '#5c66e9',
    950: '#000000',
  },
}

SCSS

$custom: #5c66e9;
$custom-light: #9791f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5c66e9",
  "rgb": {
    "r": 92,
    "g": 102,
    "b": 233
  },
  "hsl": {
    "h": 235.745,
    "s": 76.216,
    "l": 63.725
  },
  "oklch": {
    "l": 0.57485,
    "c": 0.19519,
    "h": 275.1
  },
  "luminance": 0.17661
}

Semantic roles & 50–950 ramp

primary

#5C66E9

secondary

#E9E6B8

accent

#CA0DD8

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5C66E9

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

Preview Lab → · Contrast checker → · Palette generator →