#6557D5#6557D5

#6557D5 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 54.0% C 0.186 H 283.3°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#6557D5
RGB	rgb(101, 87, 213)
HSL	hsl(247, 60%, 59%)
HSV	hsv(247, 59%, 84%)
CMYK	cmyk(52.6%, 59.2%, 0%, 16.5%)
CIE-LAB	lab(44.78, 39.23, -63.28)
CIE-LCH	lch(44.78, 74.45, 301.80°)
OKLab	oklab(54.02% 0.0427 -0.1813)
OKLCH	oklch(54.02% 0.186 283.3)
XYZ	xyz(20.7816, 14.3860, 64.6196)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557D5 #C7D557

analogous

#5788D5 #6557D5 #A457D5

triadic

#6557D5 #D56557 #57D565

tetradic

#6557D5 #D55788 #C7D557 #57D5A4

square

#6557D5 #D55788 #C7D557 #57D5A4

split-complementary

#6557D5 #D5A457 #88D557

monochromatic

#2F248E #4030BF #6557D5 #9288E1 #BFB9ED

Accessibility & contrast

On white

5.42

#6557D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#6557D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557D5

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557D5	#FFFFFF	#000000	##FFFFFF
##6557D5	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED9

Deuteranopia (green-blind)

#0066D2

Tritanopia (blue-blind)

#36758E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #6557d5;
/* rgb */ color: rgb(101, 87, 213);
/* oklch */ color: oklch(54.0% 0.186 283.3);

Tailwind

colors: {
  custom: {
    50: '#9a87e3',
    500: '#6557d5',
    950: '#000000',
  },
}

SCSS

$custom: #6557d5;
$custom-light: #9a87e3;
$custom-dark: #000000;

JSON

{
  "hex": "#6557d5",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 213
  },
  "hsl": {
    "h": 246.667,
    "s": 60,
    "l": 58.824
  },
  "oklch": {
    "l": 0.5402,
    "c": 0.18628,
    "h": 283.3
  },
  "luminance": 0.14387
}

Semantic roles & 50–950 ramp

primary

#6557D5

secondary

#D7DDAB

accent

#E345D2

background

#FAF8FE

surface

#F3EFFC

border

#CDCAD5

text

#0F0B15

muted

#7F7C84

Preview Lab

Preview with #6557D5

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

Preview Lab → · Contrast checker → · Palette generator →