#6557C8#6557C8

#6557C8 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 53.1% C 0.169 H 284.7°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#6557C8
RGB	rgb(101, 87, 200)
HSL	hsl(247, 51%, 56%)
HSV	hsv(247, 57%, 78%)
CMYK	cmyk(49.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(43.88, 35.28, -57.27)
CIE-LCH	lch(43.88, 67.26, 301.63°)
OKLab	oklab(53.07% 0.0429 -0.1636)
OKLCH	oklch(53.07% 0.169 284.7)
XYZ	xyz(19.1972, 13.7523, 56.2753)
Luminance	0.1375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557C8 #BAC857

analogous

#5782C8 #6557C8 #9E57C8

triadic

#6557C8 #C86557 #57C865

tetradic

#6557C8 #C85782 #BAC857 #57C89E

square

#6557C8 #C85782 #BAC857 #57C89E

split-complementary

#6557C8 #C89E57 #82C857

monochromatic

#33297C #4638AA #6557C8 #8F85D7 #BAB3E6

Accessibility & contrast

On white

5.60

#6557C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#6557C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557C8

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557C8	#FFFFFF	#000000	##FFFFFF
##6557C8	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#066BCC

Deuteranopia (green-blind)

#0064C6

Tritanopia (blue-blind)

#417187

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6557c8;
/* rgb */ color: rgb(101, 87, 200);
/* oklch */ color: oklch(53.1% 0.169 284.7);

Tailwind

colors: {
  custom: {
    50: '#9887d9',
    500: '#6557c8',
    950: '#000000',
  },
}

SCSS

$custom: #6557c8;
$custom-light: #9887d9;
$custom-dark: #000000;

JSON

{
  "hex": "#6557c8",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 247.434,
    "s": 50.673,
    "l": 56.275
  },
  "oklch": {
    "l": 0.53065,
    "c": 0.16917,
    "h": 284.7
  },
  "luminance": 0.13753
}

Semantic roles & 50–950 ramp

primary

#6557C8

secondary

#CFD5A6

accent

#DA4EC9

background

#F9F8FD

surface

#F2EFFB

border

#CCCAD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #6557C8

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

Preview Lab → · Contrast checker → · Palette generator →