#6551F3#6551F3

#6551F3 is a mid, highly saturated blue. Relative luminance 0.151; OKLCH L 55.5% C 0.231 H 281.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#6551F3
RGB	rgb(101, 81, 243)
HSL	hsl(247, 87%, 64%)
HSV	hsv(247, 67%, 95%)
CMYK	cmyk(58.4%, 66.7%, 0%, 4.7%)
CIE-LAB	lab(45.80, 51.75, -78.61)
CIE-LCH	lch(45.80, 94.12, 303.36°)
OKLab	oklab(55.48% 0.0456 -0.2264)
OKLCH	oklch(55.48% 0.231 281.4)
XYZ	xyz(24.4819, 15.1209, 86.4052)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6551F3 #DFF351

analogous

#518EF3 #6551F3 #B651F3

triadic

#6551F3 #F36551 #51F365

tetradic

#6551F3 #F3518E #DFF351 #51F3B6

square

#6551F3 #F3518E #DFF351 #51F3B6

split-complementary

#6551F3 #F3B651 #8EF351

monochromatic

#230DBD #3218EF #6551F3 #988AF7 #CAC4FB

Accessibility & contrast

On white

5.22

#6551F3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#6551F3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551F3

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6551F3	#FFFFFF	#000000	##FFFFFF
##6551F3	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F8

Deuteranopia (green-blind)

#0067F0

Tritanopia (blue-blind)

#007B9B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6551f3;
/* rgb */ color: rgb(101, 81, 243);
/* oklch */ color: oklch(55.5% 0.231 281.4);

Tailwind

colors: {
  custom: {
    50: '#9f83f8',
    500: '#6551f3',
    950: '#000000',
  },
}

SCSS

$custom: #6551f3;
$custom-light: #9f83f8;
$custom-dark: #000000;

JSON

{
  "hex": "#6551f3",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 243
  },
  "hsl": {
    "h": 247.407,
    "s": 87.097,
    "l": 63.529
  },
  "oklch": {
    "l": 0.55481,
    "c": 0.23092,
    "h": 281.4
  },
  "luminance": 0.15123
}

Semantic roles & 50–950 ramp

primary

#6551F3

secondary

#E6EDB3

accent

#E402C8

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6551F3

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

Preview Lab → · Contrast checker → · Palette generator →