#6660EE#6660EE

#6660EE is a mid, highly saturated blue. Relative luminance 0.174; OKLCH L 57.5% C 0.207 H 279.6°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#6660EE
RGB	rgb(102, 96, 238)
HSL	hsl(243, 81%, 65%)
HSV	hsv(243, 60%, 93%)
CMYK	cmyk(57.1%, 59.7%, 0%, 6.7%)
CIE-LAB	lab(48.71, 41.81, -71.05)
CIE-LCH	lch(48.71, 82.44, 300.47°)
OKLab	oklab(57.5% 0.0343 -0.2041)
OKLCH	oklch(57.5% 0.207 279.6)
XYZ	xyz(25.0901, 17.3618, 82.9014)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6660EE #E8EE60

analogous

#60A1EE #6660EE #AD60EE

triadic

#6660EE #EE6660 #60EE66

tetradic

#6660EE #EE60A1 #E8EE60 #60EEAD

square

#6660EE #EE60A1 #E8EE60 #60EEAD

split-complementary

#6660EE #EEAD60 #A1EE60

monochromatic

#1C14BF #3129E8 #6660EE #9B97F4 #D0CFFA

Accessibility & contrast

On white

4.70

#6660EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#6660EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6660EE

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6660EE	#FFFFFF	#000000	##FFFFFF
##6660EE	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079F3

Deuteranopia (green-blind)

#006EEB

Tritanopia (blue-blind)

#10829E

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #6660ee;
/* rgb */ color: rgb(102, 96, 238);
/* oklch */ color: oklch(57.5% 0.207 279.6);

Tailwind

colors: {
  custom: {
    50: '#9d8df4',
    500: '#6660ee',
    950: '#000000',
  },
}

SCSS

$custom: #6660ee;
$custom-light: #9d8df4;
$custom-dark: #000000;

JSON

{
  "hex": "#6660ee",
  "rgb": {
    "r": 102,
    "g": 96,
    "b": 238
  },
  "hsl": {
    "h": 242.535,
    "s": 80.682,
    "l": 65.49
  },
  "oklch": {
    "l": 0.57501,
    "c": 0.20698,
    "h": 279.6
  },
  "luminance": 0.17364
}

Semantic roles & 50–950 ramp

primary

#6660EE

secondary

#EBEDBD

accent

#DD08D4

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #6660EE

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

Preview Lab → · Contrast checker → · Palette generator →