#6660EA#6660EA

#6660EA is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.2% C 0.202 H 279.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#6660EA
RGB	rgb(102, 96, 234)
HSL	hsl(243, 77%, 65%)
HSV	hsv(243, 59%, 92%)
CMYK	cmyk(56.4%, 59%, 0%, 8.2%)
CIE-LAB	lab(48.42, 40.56, -69.28)
CIE-LCH	lch(48.42, 80.28, 300.35°)
OKLab	oklab(57.2% 0.0345 -0.1989)
OKLCH	oklch(57.2% 0.202 279.8)
XYZ	xyz(24.5090, 17.1294, 79.8408)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6660EA #E4EA60

analogous

#609FEA #6660EA #AB60EA

triadic

#6660EA #EA6660 #60EA66

tetradic

#6660EA #EA609F #E4EA60 #60EAAB

square

#6660EA #EA609F #E4EA60 #60EAAB

split-complementary

#6660EA #EAAB60 #9FEA60

monochromatic

#1F18B7 #322AE3 #6660EA #9A96F1 #CECCF8

Accessibility & contrast

On white

4.74

#6660EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#6660EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6660EA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6660EA	#FFFFFF	#000000	##FFFFFF
##6660EA	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EF

Deuteranopia (green-blind)

#006EE7

Tritanopia (blue-blind)

#1B819C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #6660ea;
/* rgb */ color: rgb(102, 96, 234);
/* oklch */ color: oklch(57.2% 0.202 279.8);

Tailwind

colors: {
  custom: {
    50: '#9d8df2',
    500: '#6660ea',
    950: '#000000',
  },
}

SCSS

$custom: #6660ea;
$custom-light: #9d8df2;
$custom-dark: #000000;

JSON

{
  "hex": "#6660ea",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 234
  },
  "hsl": {
    "h": 242.609,
    "s": 76.667,
    "l": 64.706
  },
  "oklch": {
    "l": 0.57196,
    "c": 0.20185,
    "h": 279.8
  },
  "luminance": 0.17131
}

Semantic roles & 50–950 ramp

primary

#6660EA

secondary

#E9EBBB

accent

#D90DD0

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #6660EA

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

Preview Lab → · Contrast checker → · Palette generator →