#3631E2#3631E2

#3631E2 is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.5% C 0.252 H 272.0°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#3631E2
RGB	rgb(54, 49, 226)
HSL	hsl(242, 75%, 54%)
HSV	hsv(242, 78%, 89%)
CMYK	cmyk(76.1%, 78.3%, 0%, 11.4%)
CIE-LAB	lab(34.94, 58.45, -86.98)
CIE-LCH	lch(34.94, 104.79, 303.90°)
OKLab	oklab(46.46% 0.0087 -0.2517)
OKLCH	oklch(46.46% 0.252 272)
XYZ	xyz(16.3425, 8.4701, 72.7104)
Luminance	0.0847 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3631E2 #DDE231

analogous

#3185E2 #3631E2 #8F31E2

triadic

#3631E2 #E23631 #31E236

tetradic

#3631E2 #E23185 #DDE231 #31E28F

square

#3631E2 #E23185 #DDE231 #31E28F

split-complementary

#3631E2 #E28F31 #85E231

monochromatic

#161386 #1F1ABB #3631E2 #6A67EA #9F9CF1

Accessibility & contrast

On white

7.79

#3631E2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3631E2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3631E2

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3631E2	#FFFFFF	#000000	##FFFFFF
##3631E2	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BE7

Deuteranopia (green-blind)

#0049DF

Tritanopia (blue-blind)

#00688A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3631e2;
/* rgb */ color: rgb(54, 49, 226);
/* oklch */ color: oklch(46.5% 0.252 272.0);

Tailwind

colors: {
  custom: {
    50: '#8a6ded',
    500: '#3631e2',
    950: '#000000',
  },
}

SCSS

$custom: #3631e2;
$custom-light: #8a6ded;
$custom-dark: #000000;

JSON

{
  "hex": "#3631e2",
  "rgb": {
    "r": 54,
    "g": 49,
    "b": 226
  },
  "hsl": {
    "h": 241.695,
    "s": 75.319,
    "l": 53.922
  },
  "oklch": {
    "l": 0.46457,
    "c": 0.2519,
    "h": 272
  },
  "luminance": 0.08472
}

Semantic roles & 50–950 ramp

primary

#3631E2

secondary

#DBDD92

accent

#F236ED

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0717

muted

#7E7A85

Preview Lab

Preview with #3631E2

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

Preview Lab → · Contrast checker → · Palette generator →