#3633C0#3633C0

#3633C0 is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.1% C 0.211 H 274.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#3633C0
RGB	rgb(54, 51, 192)
HSL	hsl(241, 58%, 48%)
HSV	hsv(241, 73%, 75%)
CMYK	cmyk(71.9%, 73.4%, 0%, 24.7%)
CIE-LAB	lab(31.71, 46.70, -72.62)
CIE-LCH	lch(31.71, 86.33, 302.74°)
OKLab	oklab(43.12% 0.0147 -0.21)
OKLCH	oklch(43.12% 0.211 274)
XYZ	xyz(12.2164, 6.9565, 50.5579)
Luminance	0.0696 (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

#3633C0 #BDC033

analogous

#3376C0 #3633C0 #7D33C0

triadic

#3633C0 #C03633 #33C036

tetradic

#3633C0 #C03376 #BDC033 #33C07D

square

#3633C0 #C03376 #BDC033 #33C07D

split-complementary

#3633C0 #C07D33 #76C033

monochromatic

#1B195F #282690 #3633C0 #5F5CD4 #8F8DE1

Accessibility & contrast

On white

8.78

#3633C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3633C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C0

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633C0	#FFFFFF	#000000	##FFFFFF
##3633C0	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C4

Deuteranopia (green-blind)

#0044BD

Tritanopia (blue-blind)

#005B77

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3633c0;
/* rgb */ color: rgb(54, 51, 192);
/* oklch */ color: oklch(43.1% 0.211 274.0);

Tailwind

colors: {
  custom: {
    50: '#826cd4',
    500: '#3633c0',
    950: '#000000',
  },
}

SCSS

$custom: #3633c0;
$custom-light: #826cd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3633c0",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 192
  },
  "hsl": {
    "h": 241.277,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43118,
    "c": 0.21055,
    "h": 274
  },
  "luminance": 0.06958
}

Semantic roles & 50–950 ramp

primary

#3633C0

secondary

#C9CB84

accent

#E147DE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3633C0

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

Preview Lab → · Contrast checker → · Palette generator →