#3633CA#3633CA

#3633CA is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.1% C 0.223 H 273.3°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3633CA
RGB	rgb(54, 51, 202)
HSL	hsl(241, 60%, 50%)
HSV	hsv(241, 75%, 79%)
CMYK	cmyk(73.3%, 74.8%, 0%, 20.8%)
CIE-LAB	lab(32.73, 49.93, -76.78)
CIE-LCH	lch(32.73, 91.59, 303.04°)
OKLab	oklab(44.15% 0.0128 -0.2222)
OKLCH	oklch(44.15% 0.223 273.3)
XYZ	xyz(13.3623, 7.4148, 56.5927)
Luminance	0.0742 (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

#3633CA #C7CA33

analogous

#337CCA #3633CA #8233CA

triadic

#3633CA #CA3633 #33CA36

tetradic

#3633CA #CA337C #C7CA33 #33CA82

square

#3633CA #CA337C #C7CA33 #33CA82

split-complementary

#3633CA #CA8233 #7CCA33

monochromatic

#1C1A68 #292799 #3633CA #6563D8 #9594E4

Accessibility & contrast

On white

8.46

#3633CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3633CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633CA

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633CA	#FFFFFF	#000000	##FFFFFF
##3633CA	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054CE

Deuteranopia (green-blind)

#0046C7

Tritanopia (blue-blind)

#005F7C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3633ca;
/* rgb */ color: rgb(54, 51, 202);
/* oklch */ color: oklch(44.1% 0.223 273.3);

Tailwind

colors: {
  custom: {
    50: '#846ddc',
    500: '#3633ca',
    950: '#000000',
  },
}

SCSS

$custom: #3633ca;
$custom-light: #846ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3633ca",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 202
  },
  "hsl": {
    "h": 241.192,
    "s": 59.684,
    "l": 49.608
  },
  "oklch": {
    "l": 0.4415,
    "c": 0.22253,
    "h": 273.3
  },
  "luminance": 0.07416
}

Semantic roles & 50–950 ramp

primary

#3633CA

secondary

#CECF8A

accent

#E345E0

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3633CA

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

Preview Lab → · Contrast checker → · Palette generator →