#6551EC#6551EC

#6551EC is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 54.9% C 0.222 H 282.1°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#6551EC
RGB	rgb(101, 81, 236)
HSL	hsl(248, 80%, 62%)
HSV	hsv(248, 66%, 93%)
CMYK	cmyk(57.2%, 65.7%, 0%, 7.5%)
CIE-LAB	lab(45.23, 49.66, -75.61)
CIE-LCH	lch(45.23, 90.46, 303.29°)
OKLab	oklab(54.89% 0.0465 -0.2176)
OKLCH	oklch(54.89% 0.222 282.1)
XYZ	xyz(23.4449, 14.7061, 80.9438)
Luminance	0.1471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6551EC #D8EC51

analogous

#518BEC #6551EC #B351EC

triadic

#6551EC #EC6551 #51EC65

tetradic

#6551EC #EC518B #D8EC51 #51ECB3

square

#6551EC #EC518B #D8EC51 #51ECB3

split-complementary

#6551EC #ECB351 #8BEC51

monochromatic

#2713AF #341AE6 #6551EC #9688F2 #C7BFF8

Accessibility & contrast

On white

5.33

#6551EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#6551EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551EC

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6551EC	#FFFFFF	#000000	##FFFFFF
##6551EC	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)

#0070F1

Deuteranopia (green-blind)

#0066E9

Tritanopia (blue-blind)

#147998

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6551ec;
/* rgb */ color: rgb(101, 81, 236);
/* oklch */ color: oklch(54.9% 0.222 282.1);

Tailwind

colors: {
  custom: {
    50: '#9d83f3',
    500: '#6551ec',
    950: '#000000',
  },
}

SCSS

$custom: #6551ec;
$custom-light: #9d83f3;
$custom-dark: #000000;

JSON

{
  "hex": "#6551ec",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 236
  },
  "hsl": {
    "h": 247.742,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.54894,
    "c": 0.22249,
    "h": 282.1
  },
  "luminance": 0.14708
}

Semantic roles & 50–950 ramp

primary

#6551EC

secondary

#E2E9B0

accent

#DD09C1

background

#FAF8FF

surface

#F4EFFE

border

#CECAD6

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6551EC

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

Preview Lab → · Contrast checker → · Palette generator →