#6557DB#6557DB

#6557DB is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.5% C 0.194 H 282.6°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#6557DB
RGB	rgb(101, 87, 219)
HSL	hsl(246, 65%, 60%)
HSV	hsv(246, 60%, 86%)
CMYK	cmyk(53.9%, 60.3%, 0%, 14.1%)
CIE-LAB	lab(45.22, 41.06, -66.00)
CIE-LCH	lch(45.22, 77.73, 301.89°)
OKLab	oklab(54.48% 0.0425 -0.1893)
OKLCH	oklch(54.48% 0.194 282.6)
XYZ	xyz(21.5573, 14.6963, 68.7048)
Luminance	0.1470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557DB #CDDB57

analogous

#578BDB #6557DB #A757DB

triadic

#6557DB #DB6557 #57DB65

tetradic

#6557DB #DB578B #CDDB57 #57DBA7

square

#6557DB #DB578B #CDDB57 #57DBA7

split-complementary

#6557DB #DBA757 #8BDB57

monochromatic

#2D2097 #3C2BCA #6557DB #9389E6 #C1BCF1

Accessibility & contrast

On white

5.33

#6557DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#6557DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557DB

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557DB	#FFFFFF	#000000	##FFFFFF
##6557DB	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FDF

Deuteranopia (green-blind)

#0066D8

Tritanopia (blue-blind)

#307791

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6557db;
/* rgb */ color: rgb(101, 87, 219);
/* oklch */ color: oklch(54.5% 0.194 282.6);

Tailwind

colors: {
  custom: {
    50: '#9b87e7',
    500: '#6557db',
    950: '#000000',
  },
}

SCSS

$custom: #6557db;
$custom-light: #9b87e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6557db",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 219
  },
  "hsl": {
    "h": 246.364,
    "s": 64.706,
    "l": 60
  },
  "oklch": {
    "l": 0.54476,
    "c": 0.19403,
    "h": 282.6
  },
  "luminance": 0.14698
}

Semantic roles & 50–950 ramp

primary

#6557DB

secondary

#DBE0AD

accent

#E840D6

background

#FAF8FE

surface

#F3EFFD

border

#CDCAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6557DB

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

Preview Lab → · Contrast checker → · Palette generator →