#5A66E7#5A66E7

#5A66E7 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.2% C 0.193 H 274.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5A66E7
RGB	rgb(90, 102, 231)
HSL	hsl(235, 75%, 63%)
HSV	hsv(235, 61%, 91%)
CMYK	cmyk(61%, 55.8%, 0%, 9.4%)
CIE-LAB	lab(48.81, 33.94, -66.99)
CIE-LCH	lch(48.81, 75.10, 296.87°)
OKLab	oklab(57.21% 0.0152 -0.1924)
OKLCH	oklch(57.21% 0.193 274.5)
XYZ	xyz(23.3869, 17.4440, 77.7204)
Luminance	0.1745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A66E7 #E7DB5A

analogous

#5AACE7 #5A66E7 #955AE7

triadic

#5A66E7 #E75A66 #66E75A

tetradic

#5A66E7 #E75AAC #E7DB5A #5AE795

square

#5A66E7 #E75AAC #E7DB5A #5AE795

split-complementary

#5A66E7 #E7955A #ACE75A

monochromatic

#1926AD #2534DF #5A66E7 #8F98EF #C5C9F7

Accessibility & contrast

On white

4.68

#5A66E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#5A66E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A66E7

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A66E7	#FFFFFF	#000000	##FFFFFF
##5A66E7	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AEB

Deuteranopia (green-blind)

#006EE4

Tritanopia (blue-blind)

#00859D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5a66e7;
/* rgb */ color: rgb(90, 102, 231);
/* oklch */ color: oklch(57.2% 0.193 274.5);

Tailwind

colors: {
  custom: {
    50: '#9691ef',
    500: '#5a66e7',
    950: '#000000',
  },
}

SCSS

$custom: #5a66e7;
$custom-light: #9691ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5a66e7",
  "rgb": {
    "r": 90,
    "g": 102,
    "b": 231
  },
  "hsl": {
    "h": 234.894,
    "s": 74.603,
    "l": 62.941
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.19303,
    "h": 274.5
  },
  "luminance": 0.17446
}

Semantic roles & 50–950 ramp

primary

#5A66E7

secondary

#E8E3B5

accent

#C60FD7

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C17

muted

#7E7D85

Preview Lab

Preview with #5A66E7

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

Preview Lab → · Contrast checker → · Palette generator →