#3631C1#3631C1

#3631C1 is a dark, highly saturated blue. Relative luminance 0.068; OKLCH L 42.9% C 0.214 H 274.1°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3631C1
RGB	rgb(54, 49, 193)
HSL	hsl(242, 60%, 47%)
HSV	hsv(242, 75%, 76%)
CMYK	cmyk(72%, 74.6%, 0%, 24.3%)
CIE-LAB	lab(31.42, 48.13, -73.69)
CIE-LCH	lch(31.42, 88.01, 303.15°)
OKLab	oklab(42.94% 0.0155 -0.2131)
OKLCH	oklch(42.94% 0.214 274.1)
XYZ	xyz(12.2421, 6.8299, 51.1149)
Luminance	0.0683 (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

#3631C1 #BCC131

analogous

#3174C1 #3631C1 #7E31C1

triadic

#3631C1 #C13631 #31C136

tetradic

#3631C1 #C13174 #BCC131 #31C17E

square

#3631C1 #C13174 #BCC131 #31C17E

split-complementary

#3631C1 #C17E31 #74C131

monochromatic

#1B185F #282590 #3631C1 #5E5AD5 #8E8BE2

Accessibility & contrast

On white

8.87

#3631C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3631C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3631C1

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3631C1	#FFFFFF	#000000	##FFFFFF
##3631C1	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C5

Deuteranopia (green-blind)

#0043BE

Tritanopia (blue-blind)

#005B77

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3631c1;
/* rgb */ color: rgb(54, 49, 193);
/* oklch */ color: oklch(42.9% 0.214 274.1);

Tailwind

colors: {
  custom: {
    50: '#826bd5',
    500: '#3631c1',
    950: '#000000',
  },
}

SCSS

$custom: #3631c1;
$custom-light: #826bd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3631c1",
  "rgb": {
    "r": 54,
    "g": 49,
    "b": 193
  },
  "hsl": {
    "h": 242.083,
    "s": 59.504,
    "l": 47.451
  },
  "oklch": {
    "l": 0.42942,
    "c": 0.21369,
    "h": 274.1
  },
  "luminance": 0.06831
}

Semantic roles & 50–950 ramp

primary

#3631C1

secondary

#C9CC82

accent

#E345DD

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3631C1

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

Preview Lab → · Contrast checker → · Palette generator →