#6551BF#6551BF

#6551BF is a mid, vivid violet. Relative luminance 0.124; OKLCH L 51.4% C 0.165 H 287.4°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#6551BF
RGB	rgb(101, 81, 191)
HSL	hsl(251, 46%, 53%)
HSV	hsv(251, 58%, 75%)
CMYK	cmyk(47.1%, 57.6%, 0%, 25.1%)
CIE-LAB	lab(41.86, 36.17, -55.29)
CIE-LCH	lch(41.86, 66.07, 303.19°)
OKLab	oklab(51.38% 0.0496 -0.1579)
OKLCH	oklch(51.38% 0.165 287.4)
XYZ	xyz(17.7105, 12.4124, 50.7428)
Luminance	0.1241 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6551BF #ABBF51

analogous

#5174BF #6551BF #9C51BF

triadic

#6551BF #BF6551 #51BF65

tetradic

#6551BF #BF5174 #ABBF51 #51BF9C

square

#6551BF #BF5174 #ABBF51 #51BF9C

split-complementary

#6551BF #BF9C51 #74BF51

monochromatic

#35286D #4A399A #6551BF #8D7ECF #B4AAE0

Accessibility & contrast

On white

6.03

#6551BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#6551BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551BF

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6551BF	#FFFFFF	#000000	##FFFFFF
##6551BF	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C3

Deuteranopia (green-blind)

#0060BD

Tritanopia (blue-blind)

#486A80

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #6551bf;
/* rgb */ color: rgb(101, 81, 191);
/* oklch */ color: oklch(51.4% 0.165 287.4);

Tailwind

colors: {
  custom: {
    50: '#9782d3',
    500: '#6551bf',
    950: '#000000',
  },
}

SCSS

$custom: #6551bf;
$custom-light: #9782d3;
$custom-dark: #000000;

JSON

{
  "hex": "#6551bf",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 191
  },
  "hsl": {
    "h": 250.909,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51384,
    "c": 0.16547,
    "h": 287.4
  },
  "luminance": 0.12413
}

Semantic roles & 50–950 ramp

primary

#6551BF

secondary

#C5CE9E

accent

#D652BE

background

#F9F8FD

surface

#F2EFFA

border

#CCCAD3

text

#0E0A14

muted

#7E7C83

Preview Lab

Preview with #6551BF

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

Preview Lab → · Contrast checker → · Palette generator →