#5C66EB#5C66EB

#5C66EB is a mid, vivid blue. Relative luminance 0.178; OKLCH L 57.6% C 0.198 H 275.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5C66EB
RGB	rgb(92, 102, 235)
HSL	hsl(236, 78%, 64%)
HSV	hsv(236, 61%, 92%)
CMYK	cmyk(60.9%, 56.6%, 0%, 7.8%)
CIE-LAB	lab(49.22, 35.58, -68.57)
CIE-LCH	lch(49.22, 77.26, 297.43°)
OKLab	oklab(57.63% 0.0175 -0.197)
OKLCH	oklch(57.63% 0.198 275.1)
XYZ	xyz(24.1555, 17.7743, 80.7390)
Luminance	0.1778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5C66EB #EBE15C

analogous

#5CAEEB #5C66EB #9A5CEB

triadic

#5C66EB #EB5C66 #66EB5C

tetradic

#5C66EB #EB5CAE #EBE15C #5CEB9A

square

#5C66EB #EB5CAE #EBE15C #5CEB9A

split-complementary

#5C66EB #EB9A5C #AEEB5C

monochromatic

#1622B6 #2533E4 #5C66EB #9399F2 #C9CCF8

Accessibility & contrast

On white

4.61

#5C66EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#5C66EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5C66EB

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5C66EB	#FFFFFF	#000000	##FFFFFF
##5C66EB	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BEF

Deuteranopia (green-blind)

#006FE8

Tritanopia (blue-blind)

#00869F

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5c66eb;
/* rgb */ color: rgb(92, 102, 235);
/* oklch */ color: oklch(57.6% 0.198 275.1);

Tailwind

colors: {
  custom: {
    50: '#9791f2',
    500: '#5c66eb',
    950: '#000000',
  },
}

SCSS

$custom: #5c66eb;
$custom-light: #9791f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5c66eb",
  "rgb": {
    "r": 92,
    "g": 102,
    "b": 235
  },
  "hsl": {
    "h": 235.804,
    "s": 78.142,
    "l": 64.118
  },
  "oklch": {
    "l": 0.57634,
    "c": 0.19781,
    "h": 275.1
  },
  "luminance": 0.17776
}

Semantic roles & 50–950 ramp

primary

#5C66EB

secondary

#EAE7B8

accent

#CC0BDA

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #5C66EB

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

Preview Lab → · Contrast checker → · Palette generator →