#3630B9#3630B9

#3630B9 is a dark, highly saturated blue. Relative luminance 0.064; OKLCH L 42.0% C 0.205 H 274.9°. Best body text is #FFFFFF at 9.21:1 contrast (WCAG AA passes).

Color values

HEX#3630B9
RGBrgb(54, 48, 185)
HSLhsl(243, 59%, 46%)
HSVhsv(243, 74%, 73%)
CMYKcmyk(70.8%, 74.1%, 0%, 27.5%)
CIE-LABlab(30.40, 46.09, -70.64)
CIE-LCHlch(30.40, 84.35, 303.12°)
OKLaboklab(41.98% 0.0175 -0.2043)
OKLCHoklch(41.98% 0.205 274.9)
XYZxyz(11.3323, 6.3999, 46.5276)
Luminance0.0640 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3630B9 #B3B930
analogous
#306EB9 #3630B9 #7A30B9
triadic
#3630B9 #B93630 #30B936
tetradic
#3630B9 #B9306E #B3B930 #30B97A
square
#3630B9 #B9306E #B3B930 #30B97A
split-complementary
#3630B9 #B97A30 #6EB930
monochromatic
#1A1758 #282388 #3630B9 #5954D3 #8884DF

Accessibility & contrast

On white

9.21
#3630B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.28
#3630B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3630B9
9.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3630B9#FFFFFF#000000##FFFFFF
##3630B91.009.212.289.21
#FFFFFF9.211.0021.001.00
#0000002.2821.001.0021.00
##FFFFFF9.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004EBD
Deuteranopia (green-blind)
#0041B7
Tritanopia (blue-blind)
#005772
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #3630b9;
/* rgb */ color: rgb(54, 48, 185);
/* oklch */ color: oklch(42.0% 0.205 274.9);
Tailwind
colors: {
  custom: {
    50: '#806acf',
    500: '#3630b9',
    950: '#000000',
  },
}
SCSS
$custom: #3630b9;
$custom-light: #806acf;
$custom-dark: #000000;
JSON
{
  "hex": "#3630b9",
  "rgb": {
    "r": 54,
    "g": 48,
    "b": 185
  },
  "hsl": {
    "h": 242.628,
    "s": 58.798,
    "l": 45.686
  },
  "oklch": {
    "l": 0.41976,
    "c": 0.20502,
    "h": 274.9
  },
  "luminance": 0.06401
}

Semantic roles & 50–950 ramp

primary
#3630B9
secondary
#C5C97C
accent
#E246DB
background
#F8F6FC
surface
#F0EBF9
border
#CBC6D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3630B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3630B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva