#634EF7#634EF7

#634EF7 is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 55.2% C 0.239 H 280.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#634EF7
RGB	rgb(99, 78, 247)
HSL	hsl(247, 91%, 64%)
HSV	hsv(247, 68%, 97%)
CMYK	cmyk(59.9%, 68.4%, 0%, 3.1%)
CIE-LAB	lab(45.38, 54.30, -81.55)
CIE-LCH	lch(45.38, 97.97, 303.66°)
OKLab	oklab(55.24% 0.0447 -0.235)
OKLCH	oklch(55.24% 0.239 280.8)
XYZ	xyz(24.6532, 14.8150, 89.5381)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634EF7 #E2F74E

analogous

#4E8DF7 #634EF7 #B84EF7

triadic

#634EF7 #F7634E #4EF763

tetradic

#634EF7 #F74E8D #E2F74E #4EF7B8

square

#634EF7 #F74E8D #E2F74E #4EF7B8

split-complementary

#634EF7 #F7B84E #8DF74E

monochromatic

#2009C2 #2F13F4 #634EF7 #9789FA #CAC3FC

Accessibility & contrast

On white

5.30

#634EF7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#634EF7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634EF7

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634EF7	#FFFFFF	#000000	##FFFFFF
##634EF7	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)

#0071FC

Deuteranopia (green-blind)

#0065F4

Tritanopia (blue-blind)

#007B9D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #634ef7;
/* rgb */ color: rgb(99, 78, 247);
/* oklch */ color: oklch(55.2% 0.239 280.8);

Tailwind

colors: {
  custom: {
    50: '#9e82fb',
    500: '#634ef7',
    950: '#000000',
  },
}

SCSS

$custom: #634ef7;
$custom-light: #9e82fb;
$custom-dark: #000000;

JSON

{
  "hex": "#634ef7",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 247
  },
  "hsl": {
    "h": 247.456,
    "s": 91.351,
    "l": 63.725
  },
  "oklch": {
    "l": 0.55243,
    "c": 0.23925,
    "h": 280.8
  },
  "luminance": 0.14817
}

Semantic roles & 50–950 ramp

primary

#634EF7

secondary

#E7EEB3

accent

#E600C9

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#100A18

muted

#7F7C86

Preview Lab

Preview with #634EF7

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

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