#6638BC#6638BC

#6638BC is a mid, vivid violet. Relative luminance 0.093; OKLCH L 47.5% C 0.194 H 293.6°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#6638BC
RGB	rgb(102, 56, 188)
HSL	hsl(261, 54%, 48%)
HSV	hsv(261, 70%, 74%)
CMYK	cmyk(45.7%, 70.2%, 0%, 26.3%)
CIE-LAB	lab(36.52, 49.50, -62.20)
CIE-LCH	lch(36.52, 79.49, 308.51°)
OKLab	oklab(47.46% 0.0777 -0.1781)
OKLCH	oklch(47.46% 0.194 293.6)
XYZ	xyz(15.9683, 9.2835, 48.5178)
Luminance	0.0928 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6638BC #8EBC38

analogous

#384CBC #6638BC #A838BC

triadic

#6638BC #BC6638 #38BC66

tetradic

#6638BC #BC384C #8EBC38 #38BCA8

square

#6638BC #BC384C #8EBC38 #38BCA8

split-complementary

#6638BC #BCA838 #4CBC38

monochromatic

#331C5E #4C2A8D #6638BC #8861D0 #AB90DE

Accessibility & contrast

On white

7.35

#6638BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#6638BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6638BC

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6638BC	#FFFFFF	#000000	##FFFFFF
##6638BC	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057C0

Deuteranopia (green-blind)

#0054B9

Tritanopia (blue-blind)

#4D5976

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #6638bc;
/* rgb */ color: rgb(102, 56, 188);
/* oklch */ color: oklch(47.5% 0.194 293.6);

Tailwind

colors: {
  custom: {
    50: '#9972d1',
    500: '#6638bc',
    950: '#000000',
  },
}

SCSS

$custom: #6638bc;
$custom-light: #9972d1;
$custom-dark: #000000;

JSON

{
  "hex": "#6638bc",
  "rgb": {
    "r": 102,
    "g": 56,
    "b": 188
  },
  "hsl": {
    "h": 260.909,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47464,
    "c": 0.19435,
    "h": 293.6
  },
  "luminance": 0.09284
}

Semantic roles & 50–950 ramp

primary

#6638BC

secondary

#B2C987

accent

#DD4AAA

background

#F9F7FD

surface

#F2EDFA

border

#CCC8D3

text

#0F0814

muted

#7E7B83

Preview Lab

Preview with #6638BC

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

Preview Lab → · Contrast checker → · Palette generator →