#6557E7#6557E7

#6557E7 is a mid, highly saturated blue. Relative luminance 0.154; OKLCH L 55.4% C 0.209 H 281.5°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#6557E7
RGB	rgb(101, 87, 231)
HSL	hsl(246, 75%, 62%)
HSV	hsv(246, 62%, 91%)
CMYK	cmyk(56.3%, 62.3%, 0%, 9.4%)
CIE-LAB	lab(46.11, 44.73, -71.35)
CIE-LCH	lch(46.11, 84.21, 302.09°)
OKLab	oklab(55.41% 0.0417 -0.205)
OKLCH	oklch(55.41% 0.209 281.5)
XYZ	xyz(23.1943, 15.3511, 77.3267)
Luminance	0.1535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557E7 #D9E757

analogous

#5791E7 #6557E7 #AD57E7

triadic

#6557E7 #E76557 #57E765

tetradic

#6557E7 #E75791 #D9E757 #57E7AD

square

#6557E7 #E75791 #D9E757 #57E7AD

split-complementary

#6557E7 #E7AD57 #91E757

monochromatic

#2718AB #3421DF #6557E7 #968DEF #C7C2F6

Accessibility & contrast

On white

5.16

#6557E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#6557E7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557E7

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557E7	#FFFFFF	#000000	##FFFFFF
##6557E7	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072EC

Deuteranopia (green-blind)

#0068E4

Tritanopia (blue-blind)

#1E7B97

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #6557e7;
/* rgb */ color: rgb(101, 87, 231);
/* oklch */ color: oklch(55.4% 0.209 281.5);

Tailwind

colors: {
  custom: {
    50: '#9c87f0',
    500: '#6557e7',
    950: '#000000',
  },
}

SCSS

$custom: #6557e7;
$custom-light: #9c87f0;
$custom-dark: #000000;

JSON

{
  "hex": "#6557e7",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 231
  },
  "hsl": {
    "h": 245.833,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.55412,
    "c": 0.20925,
    "h": 281.5
  },
  "luminance": 0.15353
}

Semantic roles & 50–950 ramp

primary

#6557E7

secondary

#E2E7B3

accent

#D70EC4

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #6557E7

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

Preview Lab → · Contrast checker → · Palette generator →