#634EE3#634EE3

#634EE3 is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.5% C 0.215 H 282.8°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#634EE3
RGB	rgb(99, 78, 227)
HSL	hsl(248, 73%, 60%)
HSV	hsv(248, 66%, 89%)
CMYK	cmyk(56.4%, 65.6%, 0%, 11%)
CIE-LAB	lab(43.72, 48.32, -72.99)
CIE-LCH	lch(43.72, 87.53, 303.50°)
OKLab	oklab(53.54% 0.0475 -0.2099)
OKLCH	oklch(53.54% 0.215 282.8)
XYZ	xyz(21.7308, 13.6461, 74.1470)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#634EE3 #CEE34E

analogous

#4E84E3 #634EE3 #AD4EE3

triadic

#634EE3 #E3634E #4EE363

tetradic

#634EE3 #E34E84 #CEE34E #4EE3AD

square

#634EE3 #E34E84 #CEE34E #4EE3AD

split-complementary

#634EE3 #E3AD4E #84E34E

monochromatic

#2C199E #3A21D3 #634EE3 #9283EB #C0B8F4

Accessibility & contrast

On white

5.63

#634EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#634EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #634EE3

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##634EE3	#FFFFFF	#000000	##FFFFFF
##634EE3	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE8

Deuteranopia (green-blind)

#0062E0

Tritanopia (blue-blind)

#1F7492

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #634ee3;
/* rgb */ color: rgb(99, 78, 227);
/* oklch */ color: oklch(53.5% 0.215 282.8);

Tailwind

colors: {
  custom: {
    50: '#9b81ed',
    500: '#634ee3',
    950: '#000000',
  },
}

SCSS

$custom: #634ee3;
$custom-light: #9b81ed;
$custom-dark: #000000;

JSON

{
  "hex": "#634ee3",
  "rgb": {
    "r": 99,
    "g": 78,
    "b": 227
  },
  "hsl": {
    "h": 248.456,
    "s": 72.683,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53539,
    "c": 0.21526,
    "h": 282.8
  },
  "luminance": 0.13647
}

Semantic roles & 50–950 ramp

primary

#634EE3

secondary

#DBE3AA

accent

#EF38D6

background

#FAF8FE

surface

#F4EFFD

border

#CECAD5

text

#0F0A16

muted

#7F7C84

Preview Lab

Preview with #634EE3

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

Preview Lab → · Contrast checker → · Palette generator →