#6557AE#6557AE

#6557AE is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.3% C 0.134 H 288.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#6557AE
RGB	rgb(101, 87, 174)
HSL	hsl(250, 35%, 51%)
HSV	hsv(250, 50%, 68%)
CMYK	cmyk(42%, 50%, 0%, 31.8%)
CIE-LAB	lab(42.21, 27.51, -44.77)
CIE-LCH	lch(42.21, 52.55, 301.57°)
OKLab	oklab(51.29% 0.0416 -0.1269)
OKLCH	oklch(51.29% 0.134 288.1)
XYZ	xyz(16.4129, 12.6385, 41.6109)
Luminance	0.1264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557AE #A0AE57

analogous

#5774AE #6557AE #9057AE

triadic

#6557AE #AE6557 #57AE65

tetradic

#6557AE #AE5774 #A0AE57 #57AE90

square

#6557AE #AE5774 #A0AE57 #57AE90

split-complementary

#6557AE #AE9057 #74AE57

monochromatic

#352D5E #4C4187 #6557AE #8B80C2 #B1AAD6

Accessibility & contrast

On white

5.95

#6557AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#6557AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557AE

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557AE	#FFFFFF	#000000	##FFFFFF
##6557AE	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3366B1

Deuteranopia (green-blind)

#3361AC

Tritanopia (blue-blind)

#50697A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #6557ae;
/* rgb */ color: rgb(101, 87, 174);
/* oklch */ color: oklch(51.3% 0.134 288.1);

Tailwind

colors: {
  custom: {
    50: '#9586c7',
    500: '#6557ae',
    950: '#000000',
  },
}

SCSS

$custom: #6557ae;
$custom-light: #9586c7;
$custom-dark: #000000;

JSON

{
  "hex": "#6557ae",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 174
  },
  "hsl": {
    "h": 249.655,
    "s": 34.94,
    "l": 51.176
  },
  "oklch": {
    "l": 0.51294,
    "c": 0.13355,
    "h": 288.1
  },
  "luminance": 0.12639
}

Semantic roles & 50–950 ramp

primary

#6557AE

secondary

#BDC49D

accent

#CB5DB9

background

#F9F8FC

surface

#F2EFF8

border

#CCCAD1

text

#0E0B13

muted

#7E7C82

Preview Lab

Preview with #6557AE

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

Preview Lab → · Contrast checker → · Palette generator →