#635DCB#635DCB

#635DCB is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.2% C 0.165 H 281.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#635DCB
RGB	rgb(99, 93, 203)
HSL	hsl(243, 51%, 58%)
HSV	hsv(243, 54%, 80%)
CMYK	cmyk(51.2%, 54.2%, 0%, 20.4%)
CIE-LAB	lab(45.35, 32.15, -56.63)
CIE-LCH	lch(45.35, 65.12, 299.58°)
OKLab	oklab(54.18% 0.0338 -0.1618)
OKLCH	oklch(54.18% 0.165 281.8)
XYZ	xyz(19.8361, 14.7920, 58.2983)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635DCB #C5CB5D

analogous

#5D8ECB #635DCB #9A5DCB

triadic

#635DCB #CB635D #5DCB63

tetradic

#635DCB #CB5D8E #C5CB5D #5DCB9A

square

#635DCB #CB5D8E #C5CB5D #5DCB9A

split-complementary

#635DCB #CB9A5D #8ECB5D

monochromatic

#2F2A83 #4039B2 #635DCB #908BDA #BCBAE9

Accessibility & contrast

On white

5.30

#635DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#635DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635DCB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635DCB	#FFFFFF	#000000	##FFFFFF
##635DCB	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C6FCF

Deuteranopia (green-blind)

#0D67C9

Tritanopia (blue-blind)

#39768B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #635dcb;
/* rgb */ color: rgb(99, 93, 203);
/* oklch */ color: oklch(54.2% 0.165 281.8);

Tailwind

colors: {
  custom: {
    50: '#978bdb',
    500: '#635dcb',
    950: '#000000',
  },
}

SCSS

$custom: #635dcb;
$custom-light: #978bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#635dcb",
  "rgb": {
    "r": 99,
    "g": 93,
    "b": 203
  },
  "hsl": {
    "h": 243.273,
    "s": 51.402,
    "l": 58.039
  },
  "oklch": {
    "l": 0.54182,
    "c": 0.16529,
    "h": 281.8
  },
  "luminance": 0.14793
}

Semantic roles & 50–950 ramp

primary

#635DCB

secondary

#D5D8AC

accent

#DB4DD3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #635DCB

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

Preview Lab → · Contrast checker → · Palette generator →