#636FF2#636FF2

#636FF2 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 60.2% C 0.194 H 275.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX#636FF2
RGBrgb(99, 111, 242)
HSLhsl(235, 85%, 67%)
HSVhsv(235, 59%, 95%)
CMYKcmyk(59.1%, 54.1%, 0%, 5.1%)
CIE-LABlab(52.32, 33.60, -67.45)
CIE-LCHlch(52.32, 75.35, 296.48°)
OKLaboklab(60.21% 0.0169 -0.1935)
OKLCHoklch(60.21% 0.194 275)
XYZxyz(26.8518, 20.4303, 86.5156)
Luminance0.2043 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#636FF2 #F2E663
analogous
#63B7F2 #636FF2 #9F63F2
triadic
#636FF2 #F2636F #6FF263
tetradic
#636FF2 #F263B7 #F2E663 #63F29F
square
#636FF2 #F263B7 #F2E663 #63F29F
split-complementary
#636FF2 #F29F63 #B7F263
monochromatic
#1120CA #2B3BED #636FF2 #9BA3F7 #D4D7FB

Accessibility & contrast

On white

4.13
#636FF2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.09
#636FF2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #636FF2
5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##636FF2#FFFFFF#000000##000000
##636FF21.004.135.095.09
#FFFFFF4.131.0021.0021.00
#0000005.0921.001.001.00
##0000005.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#0E83F7
Deuteranopia (green-blind)
#0077EF
Tritanopia (blue-blind)
#008EA6
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #636ff2;
/* rgb */ color: rgb(99, 111, 242);
/* oklch */ color: oklch(60.2% 0.194 275.0);
Tailwind
colors: {
  custom: {
    50: '#9b98f7',
    500: '#636ff2',
    950: '#000000',
  },
}
SCSS
$custom: #636ff2;
$custom-light: #9b98f7;
$custom-dark: #000000;
JSON
{
  "hex": "#636ff2",
  "rgb": {
    "r": 99,
    "g": 111,
    "b": 242
  },
  "hsl": {
    "h": 234.965,
    "s": 84.615,
    "l": 66.863
  },
  "oklch": {
    "l": 0.60213,
    "c": 0.19421,
    "h": 275
  },
  "luminance": 0.20432
}

Semantic roles & 50–950 ramp

primary
#636FF2
secondary
#EFEBC2
accent
#CF04E1
background
#FAF9FF
surface
#F4F2FF
border
#CECCD7
text
#0F0D17
muted
#7F7E85

Preview Lab

Preview with #636FF2

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

Preview Lab → · Contrast checker → · Palette generator →

#636FF2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva