#635CBB#635CBB

#635CBB is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.9% C 0.145 H 283.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX#635CBB
RGBrgb(99, 92, 187)
HSLhsl(244, 41%, 55%)
HSVhsv(244, 51%, 73%)
CMYKcmyk(47.1%, 50.8%, 0%, 26.7%)
CIE-LABlab(44.08, 27.84, -49.41)
CIE-LCHlch(44.08, 56.71, 299.40°)
OKLaboklab(52.91% 0.034 -0.1406)
OKLCHoklch(52.91% 0.145 283.6)
XYZxyz(17.9397, 13.8940, 48.7406)
Luminance0.1389 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#635CBB #B4BB5C
analogous
#5C85BB #635CBB #935CBB
triadic
#635CBB #BB635C #5CBB63
tetradic
#635CBB #BB5C85 #B4BB5C #5CBB93
square
#635CBB #BB5C85 #B4BB5C #5CBB93
split-complementary
#635CBB #BB935C #85BB5C
monochromatic
#332E6F #47409A #635CBB #8C87CD #B6B2DF

Accessibility & contrast

On white

5.56
#635CBB on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.78
#635CBB on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #635CBB
5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##635CBB#FFFFFF#000000##FFFFFF
##635CBB1.005.563.785.56
#FFFFFF5.561.0021.001.00
#0000003.7821.001.0021.00
##FFFFFF5.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#306BBE
Deuteranopia (green-blind)
#2B65B9
Tritanopia (blue-blind)
#457083
Achromatopsia (no color)
#686868

Design tokens & code

CSS
--color: #635cbb;
/* rgb */ color: rgb(99, 92, 187);
/* oklch */ color: oklch(52.9% 0.145 283.6);
Tailwind
colors: {
  custom: {
    50: '#958ad0',
    500: '#635cbb',
    950: '#000000',
  },
}
SCSS
$custom: #635cbb;
$custom-light: #958ad0;
$custom-dark: #000000;
JSON
{
  "hex": "#635cbb",
  "rgb": {
    "r": 99,
    "g": 92,
    "b": 187
  },
  "hsl": {
    "h": 244.421,
    "s": 41.126,
    "l": 54.706
  },
  "oklch": {
    "l": 0.52907,
    "c": 0.14463,
    "h": 283.6
  },
  "luminance": 0.13895
}

Semantic roles & 50–950 ramp

primary
#635CBB
secondary
#CACDA5
accent
#D157C8
background
#F9F8FC
surface
#F2F0F9
border
#CCCBD2
text
#0E0B14
muted
#7E7C82

Preview Lab

Preview with #635CBB

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

Preview Lab → · Contrast checker → · Palette generator →

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