#3633AD#3633AD

#3633AD is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.2% C 0.187 H 275.5°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#3633AD
RGB	rgb(54, 51, 173)
HSL	hsl(241, 54%, 44%)
HSV	hsv(241, 71%, 68%)
CMYK	cmyk(68.8%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(29.83, 40.40, -64.43)
CIE-LCH	lch(29.83, 76.05, 302.09°)
OKLab	oklab(41.22% 0.0179 -0.1861)
OKLCH	oklch(41.22% 0.187 275.5)
XYZ	xyz(10.2455, 6.1681, 40.1777)
Luminance	0.0617 (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

#3633AD #AAAD33

analogous

#336DAD #3633AD #7333AD

triadic

#3633AD #AD3633 #33AD36

tetradic

#3633AD #AD336D #AAAD33 #33AD73

square

#3633AD #AD336D #AAAD33 #33AD73

split-complementary

#3633AD #AD7333 #6DAD33

monochromatic

#18174E #27257E #3633AD #5451CC #8381DA

Accessibility & contrast

On white

9.40

#3633AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#3633AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633AD

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633AD	#FFFFFF	#000000	##FFFFFF
##3633AD	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB1

Deuteranopia (green-blind)

#0041AB

Tritanopia (blue-blind)

#00546C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3633ad;
/* rgb */ color: rgb(54, 51, 173);
/* oklch */ color: oklch(41.2% 0.187 275.5);

Tailwind

colors: {
  custom: {
    50: '#7e6cc7',
    500: '#3633ad',
    950: '#000000',
  },
}

SCSS

$custom: #3633ad;
$custom-light: #7e6cc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3633ad",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 241.475,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.41215,
    "c": 0.187,
    "h": 275.5
  },
  "luminance": 0.06169
}

Semantic roles & 50–950 ramp

primary

#3633AD

secondary

#C1C379

accent

#DE4ADA

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3633AD

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

Preview Lab → · Contrast checker → · Palette generator →