#6557D2#6557D2

#6557D2 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.8% C 0.182 H 283.6°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#6557D2
RGB	rgb(101, 87, 210)
HSL	hsl(247, 58%, 58%)
HSV	hsv(247, 59%, 82%)
CMYK	cmyk(51.9%, 58.6%, 0%, 17.6%)
CIE-LAB	lab(44.57, 38.32, -61.90)
CIE-LCH	lch(44.57, 72.80, 301.76°)
OKLab	oklab(53.8% 0.0428 -0.1773)
OKLCH	oklch(53.8% 0.182 283.6)
XYZ	xyz(20.4044, 14.2351, 62.6328)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557D2 #C4D257

analogous

#5786D2 #6557D2 #A257D2

triadic

#6557D2 #D26557 #57D265

tetradic

#6557D2 #D25786 #C4D257 #57D2A2

square

#6557D2 #D25786 #C4D257 #57D2A2

split-complementary

#6557D2 #D2A257 #86D257

monochromatic

#30258A #4132BA #6557D2 #9187DF #BDB8EC

Accessibility & contrast

On white

5.46

#6557D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#6557D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557D2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557D2	#FFFFFF	#000000	##FFFFFF
##6557D2	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD6

Deuteranopia (green-blind)

#0065CF

Tritanopia (blue-blind)

#39748C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #6557d2;
/* rgb */ color: rgb(101, 87, 210);
/* oklch */ color: oklch(53.8% 0.182 283.6);

Tailwind

colors: {
  custom: {
    50: '#9987e1',
    500: '#6557d2',
    950: '#000000',
  },
}

SCSS

$custom: #6557d2;
$custom-light: #9987e1;
$custom-dark: #000000;

JSON

{
  "hex": "#6557d2",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 210
  },
  "hsl": {
    "h": 246.829,
    "s": 57.746,
    "l": 58.235
  },
  "oklch": {
    "l": 0.53796,
    "c": 0.18237,
    "h": 283.6
  },
  "luminance": 0.14236
}

Semantic roles & 50–950 ramp

primary

#6557D2

secondary

#D5DBAA

accent

#E147CF

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #6557D2

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

Preview Lab → · Contrast checker → · Palette generator →