#5E66E3#5E66E3

#5E66E3 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 57.2% C 0.187 H 276.0°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#5E66E3
RGB	rgb(94, 102, 227)
HSL	hsl(236, 70%, 63%)
HSV	hsv(236, 59%, 89%)
CMYK	cmyk(58.6%, 55.1%, 0%, 11%)
CIE-LAB	lab(48.79, 33.32, -64.76)
CIE-LCH	lch(48.79, 72.83, 297.23°)
OKLab	oklab(57.17% 0.0195 -0.1858)
OKLCH	oklch(57.17% 0.187 276)
XYZ	xyz(23.2281, 17.4267, 74.7978)
Luminance	0.1743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5E66E3 #E3DB5E

analogous

#5EA8E3 #5E66E3 #985EE3

triadic

#5E66E3 #E35E66 #66E35E

tetradic

#5E66E3 #E35EA8 #E3DB5E #5EE398

square

#5E66E3 #E35EA8 #E3DB5E #5EE398

split-complementary

#5E66E3 #E3985E #A8E35E

monochromatic

#1D26A9 #2A34DA #5E66E3 #9298EC #C6C9F5

Accessibility & contrast

On white

4.68

#5E66E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#5E66E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5E66E3

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5E66E3	#FFFFFF	#000000	##FFFFFF
##5E66E3	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)

#007AE7

Deuteranopia (green-blind)

#006EE0

Tritanopia (blue-blind)

#00839B

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #5e66e3;
/* rgb */ color: rgb(94, 102, 227);
/* oklch */ color: oklch(57.2% 0.187 276.0);

Tailwind

colors: {
  custom: {
    50: '#9791ed',
    500: '#5e66e3',
    950: '#000000',
  },
}

SCSS

$custom: #5e66e3;
$custom-light: #9791ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5e66e3",
  "rgb": {
    "r": 94,
    "g": 102,
    "b": 227
  },
  "hsl": {
    "h": 236.391,
    "s": 70.37,
    "l": 62.941
  },
  "oklch": {
    "l": 0.57173,
    "c": 0.18679,
    "h": 276
  },
  "luminance": 0.17428
}

Semantic roles & 50–950 ramp

primary

#5E66E3

secondary

#E6E3B6

accent

#C713D2

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0F0C16

muted

#7E7D84

Preview Lab

Preview with #5E66E3

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

Preview Lab → · Contrast checker → · Palette generator →