#5A66EA#5A66EA

#5A66EA is a mid, vivid blue. Relative luminance 0.176; OKLCH L 57.4% C 0.197 H 274.5°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#5A66EA
RGB	rgb(90, 102, 234)
HSL	hsl(235, 77%, 64%)
HSV	hsv(235, 62%, 92%)
CMYK	cmyk(61.5%, 56.4%, 0%, 8.2%)
CIE-LAB	lab(49.03, 34.93, -68.34)
CIE-LCH	lch(49.03, 76.74, 297.07°)
OKLab	oklab(57.43% 0.0153 -0.1964)
OKLCH	oklch(57.43% 0.197 274.5)
XYZ	xyz(23.8142, 17.6150, 79.9710)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A66EA #EADE5A

analogous

#5AAEEA #5A66EA #965AEA

triadic

#5A66EA #EA5A66 #66EA5A

tetradic

#5A66EA #EA5AAE #EADE5A #5AEA96

square

#5A66EA #EA5AAE #EADE5A #5AEA96

split-complementary

#5A66EA #EA965A #AEEA5A

monochromatic

#1724B3 #2434E3 #5A66EA #9098F1 #C7CBF8

Accessibility & contrast

On white

4.64

#5A66EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#5A66EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5A66EA

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A66EA	#FFFFFF	#000000	##FFFFFF
##5A66EA	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BEE

Deuteranopia (green-blind)

#006EE7

Tritanopia (blue-blind)

#00869E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5a66ea;
/* rgb */ color: rgb(90, 102, 234);
/* oklch */ color: oklch(57.4% 0.197 274.5);

Tailwind

colors: {
  custom: {
    50: '#9691f2',
    500: '#5a66ea',
    950: '#000000',
  },
}

SCSS

$custom: #5a66ea;
$custom-light: #9691f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5a66ea",
  "rgb": {
    "r": 90,
    "g": 102,
    "b": 234
  },
  "hsl": {
    "h": 235,
    "s": 77.419,
    "l": 63.529
  },
  "oklch": {
    "l": 0.57434,
    "c": 0.19698,
    "h": 274.5
  },
  "luminance": 0.17617
}

Semantic roles & 50–950 ramp

primary

#5A66EA

secondary

#E9E5B6

accent

#C90CDA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #5A66EA

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

Preview Lab → · Contrast checker → · Palette generator →