#3637C2#3637C2

#3637C2 is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 43.9% C 0.209 H 273.4°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#3637C2
RGB	rgb(54, 55, 194)
HSL	hsl(240, 56%, 49%)
HSV	hsv(240, 72%, 76%)
CMYK	cmyk(72.2%, 71.6%, 0%, 23.9%)
CIE-LAB	lab(32.72, 45.08, -72.12)
CIE-LCH	lch(32.72, 85.05, 302.01°)
OKLab	oklab(43.9% 0.0122 -0.2086)
OKLCH	oklch(43.9% 0.209 273.4)
XYZ	xyz(12.6219, 7.4104, 51.7936)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.73

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3637C2 #C2C136

analogous

#367DC2 #3637C2 #7B36C2

triadic

#3637C2 #C23637 #37C236

tetradic

#3637C2 #C2367D #C2C136 #36C27B

square

#3637C2 #C2367D #C2C136 #36C27B

split-complementary

#3637C2 #C27B36 #7DC236

monochromatic

#1B1C62 #292992 #3637C2 #6263D3 #9292E1

Accessibility & contrast

On white

8.46

#3637C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#3637C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3637C2

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3637C2	#FFFFFF	#000000	##FFFFFF
##3637C2	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)

#0054C6

Deuteranopia (green-blind)

#0046BF

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3637c2;
/* rgb */ color: rgb(54, 55, 194);
/* oklch */ color: oklch(43.9% 0.209 273.4);

Tailwind

colors: {
  custom: {
    50: '#826fd6',
    500: '#3637c2',
    950: '#000000',
  },
}

SCSS

$custom: #3637c2;
$custom-light: #826fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3637c2",
  "rgb": {
    "r": 54,
    "g": 55,
    "b": 194
  },
  "hsl": {
    "h": 239.571,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.43902,
    "c": 0.20896,
    "h": 273.4
  },
  "luminance": 0.07412
}

Semantic roles & 50–950 ramp

primary

#3637C2

secondary

#CCCB88

accent

#DF48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3637C2

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

Preview Lab → · Contrast checker → · Palette generator →