#3633C1#3633C1

#3633C1 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.212 H 273.9°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#3633C1
RGB	rgb(54, 51, 193)
HSL	hsl(241, 58%, 48%)
HSV	hsv(241, 74%, 76%)
CMYK	cmyk(72%, 73.6%, 0%, 24.3%)
CIE-LAB	lab(31.81, 47.02, -73.04)
CIE-LCH	lch(31.81, 86.86, 302.77°)
OKLab	oklab(43.22% 0.0145 -0.2113)
OKLCH	oklch(43.22% 0.212 273.9)
XYZ	xyz(12.3276, 7.0010, 51.1434)
Luminance	0.0700 (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

#3633C1 #BEC133

analogous

#3377C1 #3633C1 #7D33C1

triadic

#3633C1 #C13633 #33C136

tetradic

#3633C1 #C13377 #BEC133 #33C17D

square

#3633C1 #C13377 #BEC133 #33C17D

split-complementary

#3633C1 #C17D33 #77C133

monochromatic

#1B1960 #282691 #3633C1 #605DD4 #8F8DE1

Accessibility & contrast

On white

8.75

#3633C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3633C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C1

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633C1	#FFFFFF	#000000	##FFFFFF
##3633C1	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C5

Deuteranopia (green-blind)

#0044BE

Tritanopia (blue-blind)

#005C77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3633c1;
/* rgb */ color: rgb(54, 51, 193);
/* oklch */ color: oklch(43.2% 0.212 273.9);

Tailwind

colors: {
  custom: {
    50: '#826dd5',
    500: '#3633c1',
    950: '#000000',
  },
}

SCSS

$custom: #3633c1;
$custom-light: #826dd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3633c1",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 193
  },
  "hsl": {
    "h": 241.268,
    "s": 58.197,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4322,
    "c": 0.21176,
    "h": 273.9
  },
  "luminance": 0.07002
}

Semantic roles & 50–950 ramp

primary

#3633C1

secondary

#CACB84

accent

#E146DE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3633C1

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

Preview Lab → · Contrast checker → · Palette generator →