#3640C2#3640C2

#3640C2 is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.3% C 0.199 H 272.0°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#3640C2
RGB	rgb(54, 64, 194)
HSL	hsl(236, 56%, 49%)
HSV	hsv(236, 72%, 76%)
CMYK	cmyk(72.2%, 67%, 0%, 23.9%)
CIE-LAB	lab(34.69, 39.71, -68.88)
CIE-LCH	lch(34.69, 79.51, 299.96°)
OKLab	oklab(45.32% 0.0071 -0.1991)
OKLCH	oklch(45.32% 0.199 272)
XYZ	xyz(13.0890, 8.3448, 51.9494)
Luminance	0.0835 (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

#3640C2 #C2B836

analogous

#3686C2 #3640C2 #7236C2

triadic

#3640C2 #C23640 #40C236

tetradic

#3640C2 #C23686 #C2B836 #36C272

square

#3640C2 #C23686 #C2B836 #36C272

split-complementary

#3640C2 #C27236 #86C236

monochromatic

#1B2062 #293092 #3640C2 #626AD3 #9297E1

Accessibility & contrast

On white

7.87

#3640C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3640C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3640C2

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3640C2	#FFFFFF	#000000	##FFFFFF
##3640C2	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C6

Deuteranopia (green-blind)

#004BC0

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3640c2;
/* rgb */ color: rgb(54, 64, 194);
/* oklch */ color: oklch(45.3% 0.199 272.0);

Tailwind

colors: {
  custom: {
    50: '#8175d6',
    500: '#3640c2',
    950: '#000000',
  },
}

SCSS

$custom: #3640c2;
$custom-light: #8175d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3640c2",
  "rgb": {
    "r": 54,
    "g": 64,
    "b": 194
  },
  "hsl": {
    "h": 235.714,
    "s": 56.452,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4532,
    "c": 0.19928,
    "h": 272
  },
  "luminance": 0.08346
}

Semantic roles & 50–950 ramp

primary

#3640C2

secondary

#CCC788

accent

#D548E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3640C2

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

Preview Lab → · Contrast checker → · Palette generator →