#6661CE#6661CE

#6661CE is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.3% C 0.163 H 281.7°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#6661CE
RGB	rgb(102, 97, 206)
HSL	hsl(243, 53%, 59%)
HSV	hsv(243, 53%, 81%)
CMYK	cmyk(50.5%, 52.9%, 0%, 19.2%)
CIE-LAB	lab(46.75, 31.28, -56.08)
CIE-LCH	lch(46.75, 64.22, 299.15°)
OKLab	oklab(55.35% 0.0332 -0.1601)
OKLCH	oklch(55.35% 0.163 281.7)
XYZ	xyz(20.8914, 15.8293, 60.3351)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6661CE #C9CE61

analogous

#6193CE #6661CE #9D61CE

triadic

#6661CE #CE6661 #61CE66

tetradic

#6661CE #CE6193 #C9CE61 #61CE9D

square

#6661CE #CE6193 #C9CE61 #61CE9D

split-complementary

#6661CE #CE9D61 #93CE61

monochromatic

#2F2B8A #3F39B9 #6661CE #9390DC #C0BEEB

Accessibility & contrast

On white

5.04

#6661CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#6661CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6661CE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6661CE	#FFFFFF	#000000	##FFFFFF
##6661CE	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2673D2

Deuteranopia (green-blind)

#1B6BCC

Tritanopia (blue-blind)

#3D798E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6661ce;
/* rgb */ color: rgb(102, 97, 206);
/* oklch */ color: oklch(55.3% 0.163 281.7);

Tailwind

colors: {
  custom: {
    50: '#998ede',
    500: '#6661ce',
    950: '#000000',
  },
}

SCSS

$custom: #6661ce;
$custom-light: #998ede;
$custom-dark: #000000;

JSON

{
  "hex": "#6661ce",
  "rgb": {
    "r": 102,
    "g": 97,
    "b": 206
  },
  "hsl": {
    "h": 242.752,
    "s": 52.657,
    "l": 59.412
  },
  "oklch": {
    "l": 0.55349,
    "c": 0.16348,
    "h": 281.7
  },
  "luminance": 0.1583
}

Semantic roles & 50–950 ramp

primary

#6661CE

secondary

#D9DBB0

accent

#DC4CD5

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #6661CE

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

Preview Lab → · Contrast checker → · Palette generator →