#3633C7#3633C7

#3633C7 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.8% C 0.219 H 273.5°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3633C7
RGB	rgb(54, 51, 199)
HSL	hsl(241, 59%, 49%)
HSV	hsv(241, 74%, 78%)
CMYK	cmyk(72.9%, 74.4%, 0%, 22%)
CIE-LAB	lab(32.42, 48.97, -75.54)
CIE-LCH	lch(32.42, 90.02, 302.95°)
OKLab	oklab(43.84% 0.0134 -0.2185)
OKLCH	oklch(43.84% 0.219 273.5)
XYZ	xyz(13.0105, 7.2741, 54.7401)
Luminance	0.0727 (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

#3633C7 #C4C733

analogous

#337AC7 #3633C7 #8033C7

triadic

#3633C7 #C73633 #33C736

tetradic

#3633C7 #C7337A #C4C733 #33C780

square

#3633C7 #C7337A #C4C733 #33C780

split-complementary

#3633C7 #C78033 #7AC733

monochromatic

#1C1A66 #292796 #3633C7 #6361D6 #9391E3

Accessibility & contrast

On white

8.55

#3633C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3633C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3633C7

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3633C7	#FFFFFF	#000000	##FFFFFF
##3633C7	1.00	8.55	2.45	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053CB

Deuteranopia (green-blind)

#0045C4

Tritanopia (blue-blind)

#005E7B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3633c7;
/* rgb */ color: rgb(54, 51, 199);
/* oklch */ color: oklch(43.8% 0.219 273.5);

Tailwind

colors: {
  custom: {
    50: '#836dd9',
    500: '#3633c7',
    950: '#000000',
  },
}

SCSS

$custom: #3633c7;
$custom-light: #836dd9;
$custom-dark: #000000;

JSON

{
  "hex": "#3633c7",
  "rgb": {
    "r": 54,
    "g": 51,
    "b": 199
  },
  "hsl": {
    "h": 241.216,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.43838,
    "c": 0.21896,
    "h": 273.5
  },
  "luminance": 0.07275
}

Semantic roles & 50–950 ramp

primary

#3633C7

secondary

#CCCE88

accent

#E245DF

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0715

muted

#7D7A83

Preview Lab

Preview with #3633C7

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

Preview Lab → · Contrast checker → · Palette generator →