#3633C5#3633C5

#3633C5 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.6% C 0.217 H 273.6°. Best body text is #FFFFFF at 8.62:1 contrast (WCAG AA passes).

Color values

HEX	#3633C5
RGB	rgb(54, 51, 197)
HSL	hsl(241, 59%, 49%)
HSV	hsv(241, 74%, 77%)
CMYK	cmyk(72.6%, 74.1%, 0%, 22.7%)
CIE-LAB	lab(32.22, 48.32, -74.71)
CIE-LCH	lch(32.22, 88.97, 302.89°)
OKLab	oklab(43.63% 0.0138 -0.2161)
OKLCH	oklch(43.63% 0.217 273.6)
XYZ	xyz(12.7798, 7.1819, 53.5252)
Luminance	0.0718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3633C5 #C2C533

analogous

#3379C5 #3633C5 #7F33C5

triadic

#3633C5 #C53633 #33C536

tetradic

#3633C5 #C53379 #C2C533 #33C57F

square

#3633C5 #C53379 #C2C533 #33C57F

split-complementary

#3633C5 #C57F33 #79C533

monochromatic

#1B1A64 #292694 #3633C5 #625FD6 #9290E2

Accessibility & contrast

On white

8.62

#3633C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3633C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C5

8.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633C5	#FFFFFF	#000000	##FFFFFF
##3633C5	1.00	8.62	2.44	8.62
#FFFFFF	8.62	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C9

Deuteranopia (green-blind)

#0045C2

Tritanopia (blue-blind)

#005D79

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3633c5;
/* rgb */ color: rgb(54, 51, 197);
/* oklch */ color: oklch(43.6% 0.217 273.6);

Tailwind

colors: {
  custom: {
    50: '#836dd8',
    500: '#3633c5',
    950: '#000000',
  },
}

SCSS

$custom: #3633c5;
$custom-light: #836dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#3633c5",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 197
  },
  "hsl": {
    "h": 241.233,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43631,
    "c": 0.21657,
    "h": 273.6
  },
  "luminance": 0.07183
}

Semantic roles & 50–950 ramp

primary

#3633C5

secondary

#CCCD87

accent

#E246DF

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3633C5

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

Preview Lab → · Contrast checker → · Palette generator →