#3633C7#3633C7

#3633C7 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.219 H 273.5°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX#3633C7
RGBrgb(54, 51, 199)
HSLhsl(241, 59%, 49%)
HSVhsv(241, 74%, 78%)
CMYKcmyk(72.9%, 74.4%, 0%, 22%)
CIE-LABlab(32.42, 48.97, -75.54)
CIE-LCHlch(32.42, 90.02, 302.95°)
OKLaboklab(43.84% 0.0134 -0.2185)
OKLCHoklch(43.84% 0.219 273.5)
XYZxyz(13.0105, 7.2741, 54.7401)
Luminance0.0727 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3633C7 #C4C733
analogous
#337AC7 #3633C7 #8033C7
triadic
#3633C7 #C73633 #33C736
tetradic
#3633C7 #C7337A #C4C733 #33C780
square
#3633C7 #C7337A #C4C733 #33C780
split-complementary
#3633C7 #C78033 #7AC733
monochromatic
#1C1A66 #292796 #3633C7 #6361D6 #9391E3

Accessibility & contrast

On white

8.55
#3633C7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#3633C7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C7
8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3633C7#FFFFFF#000000##FFFFFF
##3633C71.008.552.458.55
#FFFFFF8.551.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.551.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053CB
Deuteranopia (green-blind)
#0045C4
Tritanopia (blue-blind)
#005E7B
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3633c7;
/* rgb */ color: rgb(54, 51, 199);
/* oklch */ color: oklch(43.8% 0.219 273.5);
Tailwind
colors: {
  custom: {
    50: '#836dd9',
    500: '#3633c7',
    950: '#000000',
  },
}
SCSS
$custom: #3633c7;
$custom-light: #836dd9;
$custom-dark: #000000;
JSON
{
  "hex": "#3633c7",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 199
  },
  "hsl": {
    "h": 241.216,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.43838,
    "c": 0.21896,
    "h": 273.5
  },
  "luminance": 0.07275
}

Semantic roles & 50–950 ramp

primary
#3633C7
secondary
#CCCE88
accent
#E245DF
background
#F8F6FD
surface
#F0ECFB
border
#CBC7D4
text
#0D0715
muted
#7D7A83

Preview Lab

Preview with #3633C7

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

Preview Lab → · Contrast checker → · Palette generator →

#3633C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva