#6657EE#6657EE

#6657EE is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.0% C 0.218 H 281.2°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#6657EE
RGB	rgb(102, 87, 238)
HSL	hsl(246, 82%, 64%)
HSV	hsv(246, 63%, 93%)
CMYK	cmyk(57.1%, 63.4%, 0%, 6.7%)
CIE-LAB	lab(46.73, 47.03, -74.29)
CIE-LCH	lch(46.73, 87.92, 302.34°)
OKLab	oklab(56.05% 0.0424 -0.2136)
OKLCH	oklch(56.05% 0.218 281.2)
XYZ	xyz(24.3155, 15.8126, 82.6432)
Luminance	0.1581 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6657EE #DFEE57

analogous

#5793EE #6657EE #B157EE

triadic

#6657EE #EE6657 #57EE66

tetradic

#6657EE #EE5793 #DFEE57 #57EEB1

square

#6657EE #EE5793 #DFEE57 #57EEB1

split-complementary

#6657EE #EEB157 #93EE57

monochromatic

#2313B8 #331FE8 #6657EE #998FF4 #CBC6F9

Accessibility & contrast

On white

5.04

#6657EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#6657EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6657EE

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6657EE	#FFFFFF	#000000	##FFFFFF
##6657EE	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074F3

Deuteranopia (green-blind)

#0069EB

Tritanopia (blue-blind)

#137D9B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #6657ee;
/* rgb */ color: rgb(102, 87, 238);
/* oklch */ color: oklch(56.0% 0.218 281.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6657ee",
  "rgb": {
    "r": 102,
    "g": 87,
    "b": 238
  },
  "hsl": {
    "h": 245.96,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.56049,
    "c": 0.21781,
    "h": 281.2
  },
  "luminance": 0.15814
}

Semantic roles & 50–950 ramp

primary

#6657EE

secondary

#E6EBB6

accent

#DE08C9

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6657EE

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

Preview Lab → · Contrast checker → · Palette generator →