#6657EF#6657EF

#6657EF is a mid, highly saturated blue. Relative luminance 0.159; OKLCH L 56.1% C 0.219 H 281.1°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#6657EF
RGB	rgb(102, 87, 239)
HSL	hsl(246, 83%, 64%)
HSV	hsv(246, 64%, 94%)
CMYK	cmyk(57.3%, 63.6%, 0%, 6.3%)
CIE-LAB	lab(46.81, 47.33, -74.72)
CIE-LCH	lch(46.81, 88.45, 302.35°)
OKLab	oklab(56.13% 0.0423 -0.2149)
OKLCH	oklch(56.13% 0.219 281.1)
XYZ	xyz(24.4628, 15.8715, 83.4191)
Luminance	0.1587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6657EF #E0EF57

analogous

#5794EF #6657EF #B257EF

triadic

#6657EF #EF6657 #57EF66

tetradic

#6657EF #EF5794 #E0EF57 #57EFB2

square

#6657EF #EF5794 #E0EF57 #57EFB2

split-complementary

#6657EF #EFB257 #94EF57

monochromatic

#2212BA #331FEA #6657EF #998FF4 #CCC7FA

Accessibility & contrast

On white

5.03

#6657EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#6657EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6657EF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6657EF	#FFFFFF	#000000	##FFFFFF
##6657EF	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F4

Deuteranopia (green-blind)

#0069EC

Tritanopia (blue-blind)

#107D9B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6657ef;
/* rgb */ color: rgb(102, 87, 239);
/* oklch */ color: oklch(56.1% 0.219 281.1);

Tailwind

colors: {
  custom: {
    50: '#9e87f5',
    500: '#6657ef',
    950: '#000000',
  },
}

SCSS

$custom: #6657ef;
$custom-light: #9e87f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6657ef",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 239
  },
  "hsl": {
    "h": 245.921,
    "s": 82.609,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56129,
    "c": 0.21905,
    "h": 281.1
  },
  "luminance": 0.15873
}

Semantic roles & 50–950 ramp

primary

#6657EF

secondary

#E6ECB6

accent

#DF06CA

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6657EF

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

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