#6551EE#6551EE

#6551EE is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 55.1% C 0.225 H 281.9°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#6551EE
RGB	rgb(101, 81, 238)
HSL	hsl(248, 82%, 63%)
HSV	hsv(248, 66%, 93%)
CMYK	cmyk(57.6%, 66%, 0%, 6.7%)
CIE-LAB	lab(45.39, 50.26, -76.47)
CIE-LCH	lch(45.39, 91.51, 303.31°)
OKLab	oklab(55.06% 0.0462 -0.2201)
OKLCH	oklch(55.06% 0.225 281.9)
XYZ	xyz(23.7371, 14.8230, 82.4826)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6551EE #DAEE51

analogous

#518CEE #6551EE #B351EE

triadic

#6551EE #EE6551 #51EE65

tetradic

#6551EE #EE518C #DAEE51 #51EEB3

square

#6551EE #EE518C #DAEE51 #51EEB3

split-complementary

#6551EE #EEB351 #8CEE51

monochromatic

#2611B3 #3419E9 #6551EE #9689F3 #C8C1F9

Accessibility & contrast

On white

5.30

#6551EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#6551EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6551EE

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

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

#0071F3

Deuteranopia (green-blind)

#0066EB

Tritanopia (blue-blind)

#0E7999

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #6551ee;
/* rgb */ color: rgb(101, 81, 238);
/* oklch */ color: oklch(55.1% 0.225 281.9);

Tailwind

colors: {
  custom: {
    50: '#9e83f5',
    500: '#6551ee',
    950: '#000000',
  },
}

SCSS

$custom: #6551ee;
$custom-light: #9e83f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6551ee",
  "rgb": {
    "r": 101,
    "g": 81,
    "b": 238
  },
  "hsl": {
    "h": 247.643,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.5506,
    "c": 0.2249,
    "h": 281.9
  },
  "luminance": 0.14825
}

Semantic roles & 50–950 ramp

primary

#6551EE

secondary

#E3EAB1

accent

#DF07C3

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100B17

muted

#7F7C85

Preview Lab

Preview with #6551EE

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

Preview Lab → · Contrast checker → · Palette generator →