#635BF4#635BF4

#635BF4 is a mid, highly saturated blue. Relative luminance 0.167; OKLCH L 56.9% C 0.221 H 279.1°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#635BF4
RGB	rgb(99, 91, 244)
HSL	hsl(243, 87%, 66%)
HSV	hsv(243, 63%, 96%)
CMYK	cmyk(59.4%, 62.7%, 0%, 4.3%)
CIE-LAB	lab(47.83, 46.11, -75.85)
CIE-LCH	lch(47.83, 88.77, 301.29°)
OKLab	oklab(56.94% 0.0348 -0.2183)
OKLCH	oklch(56.94% 0.221 279.1)
XYZ	xyz(25.2106, 16.6646, 87.4585)
Luminance	0.1667 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635BF4 #ECF45B

analogous

#5B9FF4 #635BF4 #AF5BF4

triadic

#635BF4 #F4635B #5BF463

tetradic

#635BF4 #F45B9F #ECF45B #5BF4AF

square

#635BF4 #F45B9F #ECF45B #5BF4AF

split-complementary

#635BF4 #F4AF5B #9FF45B

monochromatic

#170DC7 #2C22F0 #635BF4 #9A94F8 #D0CEFC

Accessibility & contrast

On white

4.85

#635BF4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#635BF4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635BF4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635BF4	#FFFFFF	#000000	##FFFFFF
##635BF4	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F9

Deuteranopia (green-blind)

#006BF1

Tritanopia (blue-blind)

#00819F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #635bf4;
/* rgb */ color: rgb(99, 91, 244);
/* oklch */ color: oklch(56.9% 0.221 279.1);

Tailwind

colors: {
  custom: {
    50: '#9d8af9',
    500: '#635bf4',
    950: '#000000',
  },
}

SCSS

$custom: #635bf4;
$custom-light: #9d8af9;
$custom-dark: #000000;

JSON

{
  "hex": "#635bf4",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 244
  },
  "hsl": {
    "h": 243.137,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.56943,
    "c": 0.22108,
    "h": 279.1
  },
  "luminance": 0.16666
}

Semantic roles & 50–950 ramp

primary

#635BF4

secondary

#ECEFBC

accent

#E402D8

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C17

muted

#7F7D85

Preview Lab

Preview with #635BF4

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

Preview Lab → · Contrast checker → · Palette generator →