#6658E7#6658E7

#6658E7 is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.6% C 0.208 H 281.7°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#6658E7
RGB	rgb(102, 88, 231)
HSL	hsl(246, 75%, 63%)
HSV	hsv(246, 62%, 91%)
CMYK	cmyk(55.8%, 61.9%, 0%, 9.4%)
CIE-LAB	lab(46.41, 44.32, -70.86)
CIE-LCH	lch(46.41, 83.58, 302.02°)
OKLab	oklab(55.65% 0.0421 -0.2036)
OKLCH	oklch(55.65% 0.208 281.7)
XYZ	xyz(23.3885, 15.5723, 77.3591)
Luminance	0.1557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6658E7 #D9E758

analogous

#5892E7 #6658E7 #AD58E7

triadic

#6658E7 #E76658 #58E766

tetradic

#6658E7 #E75892 #D9E758 #58E7AD

square

#6658E7 #E75892 #D9E758 #58E7AD

split-complementary

#6658E7 #E7AD58 #92E758

monochromatic

#2719AC #3522DF #6658E7 #978EEF #C8C3F6

Accessibility & contrast

On white

5.10

#6658E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#6658E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6658E7

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6658E7	#FFFFFF	#000000	##FFFFFF
##6658E7	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073EC

Deuteranopia (green-blind)

#0069E4

Tritanopia (blue-blind)

#237B97

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #6658e7;
/* rgb */ color: rgb(102, 88, 231);
/* oklch */ color: oklch(55.6% 0.208 281.7);

Tailwind

colors: {
  custom: {
    50: '#9d88f0',
    500: '#6658e7',
    950: '#000000',
  },
}

SCSS

$custom: #6658e7;
$custom-light: #9d88f0;
$custom-dark: #000000;

JSON

{
  "hex": "#6658e7",
  "rgb": {
    "r": 102,
    "g": 88,
    "b": 231
  },
  "hsl": {
    "h": 245.874,
    "s": 74.869,
    "l": 62.549
  },
  "oklch": {
    "l": 0.55648,
    "c": 0.20789,
    "h": 281.7
  },
  "luminance": 0.15574
}

Semantic roles & 50–950 ramp

primary

#6658E7

secondary

#E2E7B3

accent

#D70EC3

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #6658E7

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

Preview Lab → · Contrast checker → · Palette generator →