#6557DC#6557DC

#6557DC is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.6% C 0.195 H 282.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#6557DC
RGB	rgb(101, 87, 220)
HSL	hsl(246, 66%, 60%)
HSV	hsv(246, 60%, 86%)
CMYK	cmyk(54.1%, 60.5%, 0%, 13.7%)
CIE-LAB	lab(45.29, 41.37, -66.45)
CIE-LCH	lch(45.29, 78.27, 301.90°)
OKLab	oklab(54.55% 0.0424 -0.1906)
OKLCH	oklch(54.55% 0.195 282.5)
XYZ	xyz(21.6893, 14.7491, 69.4002)
Luminance	0.1475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557DC #CEDC57

analogous

#578BDC #6557DC #A857DC

triadic

#6557DC #DC6557 #57DC65

tetradic

#6557DC #DC578B #CEDC57 #57DCA8

square

#6557DC #DC578B #CEDC57 #57DCA8

split-complementary

#6557DC #DCA857 #8BDC57

monochromatic

#2D2099 #3B2ACB #6557DC #938AE7 #C2BCF1

Accessibility & contrast

On white

5.32

#6557DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#6557DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557DC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557DC	#FFFFFF	#000000	##FFFFFF
##6557DC	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E0

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#2F7791

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6557dc;
/* rgb */ color: rgb(101, 87, 220);
/* oklch */ color: oklch(54.6% 0.195 282.5);

Tailwind

colors: {
  custom: {
    50: '#9b87e8',
    500: '#6557dc',
    950: '#000000',
  },
}

SCSS

$custom: #6557dc;
$custom-light: #9b87e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6557dc",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 220
  },
  "hsl": {
    "h": 246.316,
    "s": 65.517,
    "l": 60.196
  },
  "oklch": {
    "l": 0.54553,
    "c": 0.19531,
    "h": 282.5
  },
  "luminance": 0.1475
}

Semantic roles & 50–950 ramp

primary

#6557DC

secondary

#DCE1AE

accent

#CD18BA

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6557DC

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

Preview Lab → · Contrast checker → · Palette generator →