#6D66EB#6D66EB

#6D66EB is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.8% C 0.194 H 281.0°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#6D66EB
RGB	rgb(109, 102, 235)
HSL	hsl(243, 77%, 66%)
HSV	hsv(243, 57%, 92%)
CMYK	cmyk(53.6%, 56.6%, 0%, 7.8%)
CIE-LAB	lab(50.39, 38.60, -66.62)
CIE-LCH	lch(50.39, 76.99, 300.09°)
OKLab	oklab(58.8% 0.0369 -0.1908)
OKLCH	oklch(58.8% 0.194 281)
XYZ	xyz(26.0488, 18.7505, 80.8278)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6D66EB #E4EB66

analogous

#66A1EB #6D66EB #AF66EB

triadic

#6D66EB #EB6D66 #66EB6D

tetradic

#6D66EB #EB66A1 #E4EB66 #66EBAF

square

#6D66EB #EB66A1 #E4EB66 #66EBAF

split-complementary

#6D66EB #EBAF66 #A1EB66

monochromatic

#2119BE #3930E4 #6D66EB #A19CF2 #D4D2F9

Accessibility & contrast

On white

4.42

#6D66EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#6D66EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6D66EB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6D66EB	#FFFFFF	#000000	##000000
##6D66EB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DEF

Deuteranopia (green-blind)

#0073E8

Tritanopia (blue-blind)

#33859F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6d66eb;
/* rgb */ color: rgb(109, 102, 235);
/* oklch */ color: oklch(58.8% 0.194 281.0);

Tailwind

colors: {
  custom: {
    50: '#a092f2',
    500: '#6d66eb',
    950: '#000000',
  },
}

SCSS

$custom: #6d66eb;
$custom-light: #a092f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6d66eb",
  "rgb": {
    "r": 109,
    "g": 102,
    "b": 235
  },
  "hsl": {
    "h": 243.158,
    "s": 76.879,
    "l": 66.078
  },
  "oklch": {
    "l": 0.58805,
    "c": 0.19438,
    "h": 281
  },
  "luminance": 0.18752
}

Semantic roles & 50–950 ramp

primary

#6D66EB

secondary

#EAECC1

accent

#D90CCE

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6D66EB

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

Preview Lab → · Contrast checker → · Palette generator →