#6658EB#6658EB

#6658EB is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.0% C 0.213 H 281.3°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#6658EB
RGB	rgb(102, 88, 235)
HSL	hsl(246, 79%, 63%)
HSV	hsv(246, 63%, 92%)
CMYK	cmyk(56.6%, 62.6%, 0%, 7.8%)
CIE-LAB	lab(46.71, 45.54, -72.62)
CIE-LCH	lch(46.71, 85.72, 302.09°)
OKLab	oklab(55.97% 0.0418 -0.2088)
OKLCH	oklch(55.97% 0.213 281.3)
XYZ	xyz(23.9599, 15.8008, 80.3685)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6658EB #DDEB58

analogous

#5893EB #6658EB #AF58EB

triadic

#6658EB #EB6658 #58EB66

tetradic

#6658EB #EB5893 #DDEB58 #58EBAF

square

#6658EB #EB5893 #DDEB58 #58EBAF

split-complementary

#6658EB #EBAF58 #93EB58

monochromatic

#2415B3 #3421E4 #6658EB #988FF2 #CAC5F8

Accessibility & contrast

On white

5.05

#6658EB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#6658EB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6658EB

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6658EB	#FFFFFF	#000000	##FFFFFF
##6658EB	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F0

Deuteranopia (green-blind)

#0069E8

Tritanopia (blue-blind)

#1B7C99

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6658eb;
/* rgb */ color: rgb(102, 88, 235);
/* oklch */ color: oklch(56.0% 0.213 281.3);

Tailwind

colors: {
  custom: {
    50: '#9d88f2',
    500: '#6658eb',
    950: '#000000',
  },
}

SCSS

$custom: #6658eb;
$custom-light: #9d88f2;
$custom-dark: #000000;

JSON

{
  "hex": "#6658eb",
  "rgb": {
    "r": 102,
    "g": 88,
    "b": 235
  },
  "hsl": {
    "h": 245.714,
    "s": 78.61,
    "l": 63.333
  },
  "oklch": {
    "l": 0.55965,
    "c": 0.2129,
    "h": 281.3
  },
  "luminance": 0.15802
}

Semantic roles & 50–950 ramp

primary

#6658EB

secondary

#E5EAB5

accent

#DB0BC7

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6658EB

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

Preview Lab → · Contrast checker → · Palette generator →