#5A66DC#5A66DC

#5A66DC is a mid, vivid blue. Relative luminance 0.168; OKLCH L 56.4% C 0.178 H 274.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5A66DC
RGB	rgb(90, 102, 220)
HSL	hsl(234, 65%, 61%)
HSV	hsv(234, 59%, 86%)
CMYK	cmyk(59.1%, 53.6%, 0%, 13.7%)
CIE-LAB	lab(48.06, 30.32, -62.00)
CIE-LCH	lch(48.06, 69.01, 296.06°)
OKLab	oklab(56.41% 0.0149 -0.1777)
OKLCH	oklch(56.41% 0.178 274.8)
XYZ	xyz(21.8819, 16.8420, 69.7940)
Luminance	0.1684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A66DC #DCD05A

analogous

#5AA7DC #5A66DC #8F5ADC

triadic

#5A66DC #DC5A66 #66DC5A

tetradic

#5A66DC #DC5AA7 #DCD05A #5ADC8F

square

#5A66DC #DC5AA7 #DCD05A #5ADC8F

split-complementary

#5A66DC #DC8F5A #A7DC5A

monochromatic

#212C9B #2C3ACD #5A66DC #8C95E7 #BFC4F1

Accessibility & contrast

On white

4.81

#5A66DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#5A66DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5A66DC

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A66DC	#FFFFFF	#000000	##FFFFFF
##5A66DC	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1778E0

Deuteranopia (green-blind)

#006DDA

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #5a66dc;
/* rgb */ color: rgb(90, 102, 220);
/* oklch */ color: oklch(56.4% 0.178 274.8);

Tailwind

colors: {
  custom: {
    50: '#9491e8',
    500: '#5a66dc',
    950: '#000000',
  },
}

SCSS

$custom: #5a66dc;
$custom-light: #9491e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5a66dc",
  "rgb": {
    "r": 90,
    "g": 102,
    "b": 220
  },
  "hsl": {
    "h": 234.462,
    "s": 65,
    "l": 60.784
  },
  "oklch": {
    "l": 0.56407,
    "c": 0.17836,
    "h": 274.8
  },
  "luminance": 0.16844
}

Semantic roles & 50–950 ramp

primary

#5A66DC

secondary

#E2DDB0

accent

#BC19CD

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5A66DC

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

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