#5D66E3#5D66E3

#5D66E3 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.1% C 0.187 H 275.7°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#5D66E3
RGB	rgb(93, 102, 227)
HSL	hsl(236, 71%, 63%)
HSV	hsv(236, 59%, 89%)
CMYK	cmyk(59%, 55.1%, 0%, 11%)
CIE-LAB	lab(48.73, 33.15, -64.87)
CIE-LCH	lch(48.73, 72.84, 297.07°)
OKLab	oklab(57.11% 0.0184 -0.1861)
OKLCH	oklch(57.11% 0.187 275.7)
XYZ	xyz(23.1262, 17.3742, 74.7930)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D66E3 #E3DA5D

analogous

#5DA9E3 #5D66E3 #975DE3

triadic

#5D66E3 #E35D66 #66E35D

tetradic

#5D66E3 #E35DA9 #E3DA5D #5DE397

square

#5D66E3 #E35DA9 #E3DA5D #5DE397

split-complementary

#5D66E3 #E3975D #A9E35D

monochromatic

#1D26A8 #2935DA #5D66E3 #9197EC #C5C9F5

Accessibility & contrast

On white

4.69

#5D66E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#5D66E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5D66E3

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D66E3	#FFFFFF	#000000	##FFFFFF
##5D66E3	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AE7

Deuteranopia (green-blind)

#006EE0

Tritanopia (blue-blind)

#00839B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5d66e3;
/* rgb */ color: rgb(93, 102, 227);
/* oklch */ color: oklch(57.1% 0.187 275.7);

Tailwind

colors: {
  custom: {
    50: '#9791ed',
    500: '#5d66e3',
    950: '#000000',
  },
}

SCSS

$custom: #5d66e3;
$custom-light: #9791ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5d66e3",
  "rgb": {
    "r": 93,
    "g": 102,
    "b": 227
  },
  "hsl": {
    "h": 235.97,
    "s": 70.526,
    "l": 62.745
  },
  "oklch": {
    "l": 0.57107,
    "c": 0.18702,
    "h": 275.7
  },
  "luminance": 0.17376
}

Semantic roles & 50–950 ramp

primary

#5D66E3

secondary

#E6E3B6

accent

#C613D3

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5D66E3

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

Preview Lab → · Contrast checker → · Palette generator →