#5A66DF#5A66DF

#5A66DF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.6% C 0.182 H 274.7°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5A66DF
RGB	rgb(90, 102, 223)
HSL	hsl(235, 68%, 61%)
HSV	hsv(235, 60%, 87%)
CMYK	cmyk(59.6%, 54.3%, 0%, 12.5%)
CIE-LAB	lab(48.26, 31.31, -63.37)
CIE-LCH	lch(48.26, 70.68, 296.29°)
OKLab	oklab(56.62% 0.015 -0.1818)
OKLCH	oklch(56.62% 0.182 274.7)
XYZ	xyz(22.2828, 17.0024, 71.9053)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A66DF #DFD35A

analogous

#5AA9DF #5A66DF #915ADF

triadic

#5A66DF #DF5A66 #66DF5A

tetradic

#5A66DF #DF5AA9 #DFD35A #5ADF91

square

#5A66DF #DF5AA9 #DFD35A #5ADF91

split-complementary

#5A66DF #DF915A #A9DF5A

monochromatic

#1F2BA0 #2938D3 #5A66DF #8D96E9 #C1C5F3

Accessibility & contrast

On white

4.77

#5A66DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#5A66DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A66DF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A66DF	#FFFFFF	#000000	##FFFFFF
##5A66DF	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E78E3

Deuteranopia (green-blind)

#006DDD

Tritanopia (blue-blind)

#008299

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5a66df;
/* rgb */ color: rgb(90, 102, 223);
/* oklch */ color: oklch(56.6% 0.182 274.7);

Tailwind

colors: {
  custom: {
    50: '#9491ea',
    500: '#5a66df',
    950: '#000000',
  },
}

SCSS

$custom: #5a66df;
$custom-light: #9491ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5a66df",
  "rgb": {
    "r": 90,
    "g": 102,
    "b": 223
  },
  "hsl": {
    "h": 234.586,
    "s": 67.513,
    "l": 61.373
  },
  "oklch": {
    "l": 0.56623,
    "c": 0.18239,
    "h": 274.7
  },
  "luminance": 0.17004
}

Semantic roles & 50–950 ramp

primary

#5A66DF

secondary

#E3DFB2

accent

#BF16CF

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5A66DF

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

Preview Lab → · Contrast checker → · Palette generator →