#635BFB#635BFB

#635BFB is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.5% C 0.230 H 278.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#635BFB
RGB	rgb(99, 91, 251)
HSL	hsl(243, 95%, 67%)
HSV	hsv(243, 64%, 98%)
CMYK	cmyk(60.6%, 63.7%, 0%, 1.6%)
CIE-LAB	lab(48.38, 48.28, -78.86)
CIE-LCH	lch(48.38, 92.47, 301.47°)
OKLab	oklab(57.51% 0.0342 -0.2272)
OKLCH	oklch(57.51% 0.23 278.6)
XYZ	xyz(26.2937, 17.0979, 93.1627)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635BFB #F3FB5B

analogous

#5BA3FB #635BFB #B35BFB

triadic

#635BFB #FB635B #5BFB63

tetradic

#635BFB #FB5BA3 #F3FB5B #5BFBB3

square

#635BFB #FB5BA3 #F3FB5B #5BFBB3

split-complementary

#635BFB #FBB35B #A3FB5B

monochromatic

#1005D6 #2A1FFA #635BFB #9C97FC #D5D2FE

Accessibility & contrast

On white

4.75

#635BFB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#635BFB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635BFB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635BFB	#FFFFFF	#000000	##FFFFFF
##635BFB	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FF

Deuteranopia (green-blind)

#006CF8

Tritanopia (blue-blind)

#0084A3

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #635bfb;
/* rgb */ color: rgb(99, 91, 251);
/* oklch */ color: oklch(57.5% 0.230 278.6);

Tailwind

colors: {
  custom: {
    50: '#9e8afe',
    500: '#635bfb',
    950: '#000000',
  },
}

SCSS

$custom: #635bfb;
$custom-light: #9e8afe;
$custom-dark: #000000;

JSON

{
  "hex": "#635bfb",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 251
  },
  "hsl": {
    "h": 243,
    "s": 95.238,
    "l": 67.059
  },
  "oklch": {
    "l": 0.57513,
    "c": 0.22972,
    "h": 278.6
  },
  "luminance": 0.171
}

Semantic roles & 50–950 ramp

primary

#635BFB

secondary

#F0F2C0

accent

#E600DA

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #635BFB

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

Preview Lab → · Contrast checker → · Palette generator →