#635DCF#635DCF

#635DCF is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.5% C 0.171 H 281.5°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#635DCF
RGB	rgb(99, 93, 207)
HSL	hsl(243, 54%, 59%)
HSV	hsv(243, 55%, 81%)
CMYK	cmyk(52.2%, 55.1%, 0%, 18.8%)
CIE-LAB	lab(45.61, 33.39, -58.50)
CIE-LCH	lch(45.61, 67.36, 299.72°)
OKLab	oklab(54.47% 0.034 -0.1673)
OKLCH	oklch(54.47% 0.171 281.5)
XYZ	xyz(20.3190, 14.9852, 60.8411)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635DCF #C9CF5D

analogous

#5D90CF #635DCF #9C5DCF

triadic

#635DCF #CF635D #5DCF63

tetradic

#635DCF #CF5D90 #C9CF5D #5DCF9C

square

#635DCF #CF5D90 #C9CF5D #5DCF9C

split-complementary

#635DCF #CF9C5D #90CF5D

monochromatic

#2E2989 #3D37B8 #635DCF #908CDD #BEBBEB

Accessibility & contrast

On white

5.25

#635DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#635DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635DCF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635DCF	#FFFFFF	#000000	##FFFFFF
##635DCF	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1370D3

Deuteranopia (green-blind)

#0068CD

Tritanopia (blue-blind)

#36778D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #635dcf;
/* rgb */ color: rgb(99, 93, 207);
/* oklch */ color: oklch(54.5% 0.171 281.5);

Tailwind

colors: {
  custom: {
    50: '#978bde',
    500: '#635dcf',
    950: '#000000',
  },
}

SCSS

$custom: #635dcf;
$custom-light: #978bde;
$custom-dark: #000000;

JSON

{
  "hex": "#635dcf",
  "rgb": {
    "r": 99,
    "g": 93,
    "b": 207
  },
  "hsl": {
    "h": 243.158,
    "s": 54.286,
    "l": 58.824
  },
  "oklch": {
    "l": 0.54465,
    "c": 0.1707,
    "h": 281.5
  },
  "luminance": 0.14986
}

Semantic roles & 50–950 ramp

primary

#635DCF

secondary

#D8DAAD

accent

#DE4AD6

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #635DCF

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

Preview Lab → · Contrast checker → · Palette generator →