#6551DC#6551DC

#6551DC is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.6% C 0.203 H 283.7°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#6551DC
RGB	rgb(101, 81, 220)
HSL	hsl(249, 67%, 59%)
HSV	hsv(249, 63%, 86%)
CMYK	cmyk(54.1%, 63.2%, 0%, 13.7%)
CIE-LAB	lab(43.97, 44.85, -68.59)
CIE-LCH	lch(43.97, 81.95, 303.18°)
OKLab	oklab(53.59% 0.0482 -0.197)
OKLCH	oklch(53.59% 0.203 283.7)
XYZ	xyz(21.2236, 13.8176, 69.2450)
Luminance	0.1382 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6551DC #C8DC51

analogous

#5183DC #6551DC #AB51DC

triadic

#6551DC #DC6551 #51DC65

tetradic

#6551DC #DC5183 #C8DC51 #51DCAB

square

#6551DC #DC5183 #C8DC51 #51DCAB

split-complementary

#6551DC #DCAB51 #83DC51

monochromatic

#2F1E95 #3F28C8 #6551DC #9284E6 #BFB7F0

Accessibility & contrast

On white

5.58

#6551DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#6551DC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551DC

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6551DC	#FFFFFF	#000000	##FFFFFF
##6551DC	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE0

Deuteranopia (green-blind)

#0063D9

Tritanopia (blue-blind)

#30738F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #6551dc;
/* rgb */ color: rgb(101, 81, 220);
/* oklch */ color: oklch(53.6% 0.203 283.7);

Tailwind

colors: {
  custom: {
    50: '#9b83e8',
    500: '#6551dc',
    950: '#000000',
  },
}

SCSS

$custom: #6551dc;
$custom-light: #9b83e8;
$custom-dark: #000000;

JSON

{
  "hex": "#6551dc",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 220
  },
  "hsl": {
    "h": 248.633,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.5359,
    "c": 0.20277,
    "h": 283.7
  },
  "luminance": 0.13819
}

Semantic roles & 50–950 ramp

primary

#6551DC

secondary

#D8E0A9

accent

#E93ED1

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #6551DC

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

Preview Lab → · Contrast checker → · Palette generator →