#6658EF#6658EF

#6658EF is a mid, highly saturated blue. Relative luminance 0.160; OKLCH L 56.3% C 0.218 H 281.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#6658EF
RGB	rgb(102, 88, 239)
HSL	hsl(246, 83%, 64%)
HSV	hsv(246, 63%, 94%)
CMYK	cmyk(57.3%, 63.2%, 0%, 6.3%)
CIE-LAB	lab(47.02, 46.76, -74.37)
CIE-LCH	lch(47.02, 87.85, 302.16°)
OKLab	oklab(56.29% 0.0414 -0.2139)
OKLCH	oklch(56.29% 0.218 281)
XYZ	xyz(24.5443, 16.0346, 83.4462)
Luminance	0.1604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6658EF #E1EF58

analogous

#5896EF #6658EF #B258EF

triadic

#6658EF #EF6658 #58EF66

tetradic

#6658EF #EF5896 #E1EF58 #58EFB2

square

#6658EF #EF5896 #E1EF58 #58EFB2

split-complementary

#6658EF #EFB258 #96EF58

monochromatic

#2212BB #3320EA #6658EF #9990F4 #CCC8FA

Accessibility & contrast

On white

4.99

#6658EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#6658EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6658EF

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6658EF	#FFFFFF	#000000	##FFFFFF
##6658EF	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F4

Deuteranopia (green-blind)

#006AEC

Tritanopia (blue-blind)

#107E9C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6658ef;
/* rgb */ color: rgb(102, 88, 239);
/* oklch */ color: oklch(56.3% 0.218 281.0);

Tailwind

colors: {
  custom: {
    50: '#9e88f5',
    500: '#6658ef',
    950: '#000000',
  },
}

SCSS

$custom: #6658ef;
$custom-light: #9e88f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6658ef",
  "rgb": {
    "r": 102,
    "g": 88,
    "b": 239
  },
  "hsl": {
    "h": 245.563,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.56285,
    "c": 0.21788,
    "h": 281
  },
  "luminance": 0.16036
}

Semantic roles & 50–950 ramp

primary

#6658EF

secondary

#E7ECB7

accent

#DF07CB

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6658EF

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

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