#6B66EF#6B66EF

#6B66EF is a mid, vivid blue. Relative luminance 0.189; OKLCH L 59.0% C 0.200 H 280.0°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#6B66EF
RGB	rgb(107, 102, 239)
HSL	hsl(242, 81%, 67%)
HSV	hsv(242, 57%, 94%)
CMYK	cmyk(55.2%, 57.3%, 0%, 6.3%)
CIE-LAB	lab(50.52, 39.46, -68.66)
CIE-LCH	lch(50.52, 79.19, 299.89°)
OKLab	oklab(58.95% 0.0346 -0.1969)
OKLCH	oklch(58.95% 0.2 280)
XYZ	xyz(26.3899, 18.8588, 83.8941)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6B66EF #EAEF66

analogous

#66A6EF #6B66EF #B066EF

triadic

#6B66EF #EF6B66 #66EF6B

tetradic

#6B66EF #EF66A6 #EAEF66 #66EFB0

square

#6B66EF #EF66A6 #EAEF66 #66EFB0

split-complementary

#6B66EF #EFB066 #A6EF66

monochromatic

#1B15C6 #352FE9 #6B66EF #A19DF5 #D6D5FB

Accessibility & contrast

On white

4.40

#6B66EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#6B66EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6B66EF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6B66EF	#FFFFFF	#000000	##000000
##6B66EF	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007EF4

Deuteranopia (green-blind)

#0073EC

Tritanopia (blue-blind)

#2786A1

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6b66ef;
/* rgb */ color: rgb(107, 102, 239);
/* oklch */ color: oklch(59.0% 0.200 280.0);

Tailwind

colors: {
  custom: {
    50: '#a092f5',
    500: '#6b66ef',
    950: '#000000',
  },
}

SCSS

$custom: #6b66ef;
$custom-light: #a092f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6b66ef",
  "rgb": {
    "r": 107,
    "g": 102,
    "b": 239
  },
  "hsl": {
    "h": 242.19,
    "s": 81.065,
    "l": 66.863
  },
  "oklch": {
    "l": 0.5895,
    "c": 0.19991,
    "h": 280
  },
  "luminance": 0.18861
}

Semantic roles & 50–950 ramp

primary

#6B66EF

secondary

#EDEEC2

accent

#DD08D6

background

#FAF9FF

surface

#F4F1FE

border

#CECBD6

text

#100D17

muted

#7F7E85

Preview Lab

Preview with #6B66EF

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

Preview Lab → · Contrast checker → · Palette generator →