#635BBB#635BBB

#635BBB is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.146 H 284.0°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#635BBB
RGB	rgb(99, 91, 187)
HSL	hsl(245, 41%, 55%)
HSV	hsv(245, 51%, 73%)
CMYK	cmyk(47.1%, 51.3%, 0%, 26.7%)
CIE-LAB	lab(43.83, 28.46, -49.81)
CIE-LCH	lch(43.83, 57.36, 299.74°)
OKLab	oklab(52.72% 0.0352 -0.1417)
OKLCH	oklch(52.72% 0.146 284)
XYZ	xyz(17.8537, 13.7218, 48.7119)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#635BBB #B3BB5B

analogous

#5B83BB #635BBB #935BBB

triadic

#635BBB #BB635B #5BBB63

tetradic

#635BBB #BB5B83 #B3BB5B #5BBB93

square

#635BBB #BB5B83 #B3BB5B #5BBB93

split-complementary

#635BBB #BB935B #83BB5B

monochromatic

#332E6E #474099 #635BBB #8C86CD #B5B2DF

Accessibility & contrast

On white

5.61

#635BBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#635BBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635BBB

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##635BBB	#FFFFFF	#000000	##FFFFFF
##635BBB	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBE

Deuteranopia (green-blind)

#2965B9

Tritanopia (blue-blind)

#457082

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #635bbb;
/* rgb */ color: rgb(99, 91, 187);
/* oklch */ color: oklch(52.7% 0.146 284.0);

Tailwind

colors: {
  custom: {
    50: '#9589d0',
    500: '#635bbb',
    950: '#000000',
  },
}

SCSS

$custom: #635bbb;
$custom-light: #9589d0;
$custom-dark: #000000;

JSON

{
  "hex": "#635bbb",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 187
  },
  "hsl": {
    "h": 245,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.5272,
    "c": 0.14606,
    "h": 284
  },
  "luminance": 0.13723
}

Semantic roles & 50–950 ramp

primary

#635BBB

secondary

#CACDA5

accent

#D157C7

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #635BBB

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

Preview Lab → · Contrast checker → · Palette generator →