#6557DD#6557DD

#6557DD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.6% C 0.197 H 282.4°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#6557DD
RGB	rgb(101, 87, 221)
HSL	hsl(246, 66%, 60%)
HSV	hsv(246, 61%, 87%)
CMYK	cmyk(54.3%, 60.6%, 0%, 13.3%)
CIE-LAB	lab(45.36, 41.67, -66.90)
CIE-LCH	lch(45.36, 78.82, 301.92°)
OKLab	oklab(54.63% 0.0424 -0.192)
OKLCH	oklch(54.63% 0.197 282.4)
XYZ	xyz(21.8222, 14.8022, 70.0998)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6557DD #CFDD57

analogous

#578CDD #6557DD #A857DD

triadic

#6557DD #DD6557 #57DD65

tetradic

#6557DD #DD578C #CFDD57 #57DDA8

square

#6557DD #DD578C #CFDD57 #57DDA8

split-complementary

#6557DD #DDA857 #8CDD57

monochromatic

#2C1F9A #3B2ACD #6557DD #948AE7 #C2BDF2

Accessibility & contrast

On white

5.30

#6557DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#6557DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6557DD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6557DD	#FFFFFF	#000000	##FFFFFF
##6557DD	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E1

Deuteranopia (green-blind)

#0067DA

Tritanopia (blue-blind)

#2E7792

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6557dd;
/* rgb */ color: rgb(101, 87, 221);
/* oklch */ color: oklch(54.6% 0.197 282.4);

Tailwind

colors: {
  custom: {
    50: '#9b87e8',
    500: '#6557dd',
    950: '#000000',
  },
}

SCSS

$custom: #6557dd;
$custom-light: #9b87e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6557dd",
  "rgb": {
    "r": 101,
    "g": 87,
    "b": 221
  },
  "hsl": {
    "h": 246.269,
    "s": 66.337,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5463,
    "c": 0.19659,
    "h": 282.4
  },
  "luminance": 0.14804
}

Semantic roles & 50–950 ramp

primary

#6557DD

secondary

#DCE1AE

accent

#CE17BB

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6557DD

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

Preview Lab → · Contrast checker → · Palette generator →