#635BB1#635BB1

#635BB1 is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.1% C 0.132 H 285.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX#635BB1
RGBrgb(99, 91, 177)
HSLhsl(246, 36%, 53%)
HSVhsv(246, 49%, 69%)
CMYKcmyk(44.1%, 48.6%, 0%, 30.6%)
CIE-LABlab(43.22, 25.44, -44.93)
CIE-LCHlch(43.22, 51.63, 299.52°)
OKLaboklab(52.07% 0.0343 -0.1274)
OKLCHoklch(52.07% 0.132 285.1)
XYZxyz(16.8202, 13.3085, 43.2690)
Luminance0.1331 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#635BB1 #A9B15B
analogous
#5B7EB1 #635BB1 #8E5BB1
triadic
#635BB1 #B1635B #5BB163
tetradic
#635BB1 #B15B7E #A9B15B #5BB18E
square
#635BB1 #B15B7E #A9B15B #5BB18E
split-complementary
#635BB1 #B18E5B #7EB15B
monochromatic
#342F63 #49438C #635BB1 #8A84C5 #B2AED8

Accessibility & contrast

On white

5.73
#635BB1 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.66
#635BB1 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635BB1
5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##635BB1#FFFFFF#000000##FFFFFF
##635BB11.005.733.665.73
#FFFFFF5.731.0021.001.00
#0000003.6621.001.0021.00
##FFFFFF5.731.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3869B4
Deuteranopia (green-blind)
#3564AF
Tritanopia (blue-blind)
#4B6D7D
Achromatopsia (no color)
#666666

Design tokens & code

CSS
--color: #635bb1;
/* rgb */ color: rgb(99, 91, 177);
/* oklch */ color: oklch(52.1% 0.132 285.1);
Tailwind
colors: {
  custom: {
    50: '#9489c9',
    500: '#635bb1',
    950: '#000000',
  },
}
SCSS
$custom: #635bb1;
$custom-light: #9489c9;
$custom-dark: #000000;
JSON
{
  "hex": "#635bb1",
  "rgb": {
    "r": 99,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 245.581,
    "s": 35.537,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52069,
    "c": 0.13196,
    "h": 285.1
  },
  "luminance": 0.13309
}

Semantic roles & 50–950 ramp

primary
#635BB1
secondary
#C3C7A1
accent
#CC5CC1
background
#F9F8FC
surface
#F2F0F8
border
#CCCBD1
text
#0D0B13
muted
#7E7C82

Preview Lab

Preview with #635BB1

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

Preview Lab → · Contrast checker → · Palette generator →

#635BB1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva