#6660F6#6660F6

#6660F6 is a mid, highly saturated blue. Relative luminance 0.178; OKLCH L 58.1% C 0.217 H 279.0°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#6660F6
RGB	rgb(102, 96, 246)
HSL	hsl(242, 89%, 67%)
HSV	hsv(242, 61%, 96%)
CMYK	cmyk(58.5%, 61%, 0%, 3.5%)
CIE-LAB	lab(49.30, 44.30, -74.57)
CIE-LCH	lch(49.30, 86.73, 300.71°)
OKLab	oklab(58.12% 0.034 -0.2144)
OKLCH	oklch(58.12% 0.217 279)
XYZ	xyz(26.2916, 17.8424, 89.2294)
Luminance	0.1784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6660F6 #F0F660

analogous

#60A5F6 #6660F6 #B160F6

triadic

#6660F6 #F66660 #60F666

tetradic

#6660F6 #F660A5 #F0F660 #60F6B1

square

#6660F6 #F660A5 #F0F660 #60F6B1

split-complementary

#6660F6 #F6B160 #A5F660

monochromatic

#140CD0 #2E26F3 #6660F6 #9E9AF9 #D5D4FD

Accessibility & contrast

On white

4.60

#6660F6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#6660F6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #6660F6

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6660F6	#FFFFFF	#000000	##FFFFFF
##6660F6	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007BFB

Deuteranopia (green-blind)

#006FF3

Tritanopia (blue-blind)

#0085A2

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #6660f6;
/* rgb */ color: rgb(102, 96, 246);
/* oklch */ color: oklch(58.1% 0.217 279.0);

Tailwind

colors: {
  custom: {
    50: '#9f8efa',
    500: '#6660f6',
    950: '#000000',
  },
}

SCSS

$custom: #6660f6;
$custom-light: #9f8efa;
$custom-dark: #000000;

JSON

{
  "hex": "#6660f6",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 246
  },
  "hsl": {
    "h": 242.4,
    "s": 89.286,
    "l": 67.059
  },
  "oklch": {
    "l": 0.5812,
    "c": 0.21711,
    "h": 279
  },
  "luminance": 0.17844
}

Semantic roles & 50–950 ramp

primary

#6660F6

secondary

#EFF1C1

accent

#E600DC

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #6660F6

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

Preview Lab → · Contrast checker → · Palette generator →