#635CFB#635CFB

#635CFB is a mid, highly saturated blue. Relative luminance 0.173; OKLCH L 57.7% C 0.229 H 278.4°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#635CFB
RGB	rgb(99, 92, 251)
HSL	hsl(243, 95%, 67%)
HSV	hsv(243, 63%, 98%)
CMYK	cmyk(60.6%, 63.3%, 0%, 1.6%)
CIE-LAB	lab(48.60, 47.71, -78.51)
CIE-LCH	lch(48.60, 91.87, 301.28°)
OKLab	oklab(57.67% 0.0334 -0.2261)
OKLCH	oklch(57.67% 0.229 278.4)
XYZ	xyz(26.3797, 17.2700, 93.1914)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635CFB #F4FB5C

analogous

#5CA4FB #635CFB #B35CFB

triadic

#635CFB #FB635C #5CFB63

tetradic

#635CFB #FB5CA4 #F4FB5C #5CFBB3

square

#635CFB #FB5CA4 #F4FB5C #5CFBB3

split-complementary

#635CFB #FBB35C #A4FB5C

monochromatic

#0F05D7 #2A20FA #635CFB #9C98FC #D5D3FE

Accessibility & contrast

On white

4.71

#635CFB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#635CFB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635CFB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635CFB	#FFFFFF	#000000	##FFFFFF
##635CFB	1.00	4.71	4.45	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AFF

Deuteranopia (green-blind)

#006DF8

Tritanopia (blue-blind)

#0084A3

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #635cfb;
/* rgb */ color: rgb(99, 92, 251);
/* oklch */ color: oklch(57.7% 0.229 278.4);

Tailwind

colors: {
  custom: {
    50: '#9e8bfe',
    500: '#635cfb',
    950: '#000000',
  },
}

SCSS

$custom: #635cfb;
$custom-light: #9e8bfe;
$custom-dark: #000000;

JSON

{
  "hex": "#635cfb",
  "rgb": {
    "r": 99,
    "g": 92,
    "b": 251
  },
  "hsl": {
    "h": 242.642,
    "s": 95.21,
    "l": 67.255
  },
  "oklch": {
    "l": 0.5767,
    "c": 0.22858,
    "h": 278.4
  },
  "luminance": 0.17272
}

Semantic roles & 50–950 ramp

primary

#635CFB

secondary

#F0F2C0

accent

#E600DB

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #635CFB

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

Preview Lab → · Contrast checker → · Palette generator →