#3647CA#3647CA

#3647CA is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.2% C 0.202 H 270.6°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#3647CA
RGB	rgb(54, 71, 202)
HSL	hsl(233, 58%, 50%)
HSV	hsv(233, 73%, 79%)
CMYK	cmyk(73.3%, 64.9%, 0%, 20.8%)
CIE-LAB	lab(37.03, 38.17, -69.71)
CIE-LCH	lch(37.03, 79.48, 298.70°)
OKLab	oklab(47.24% 0.0021 -0.2015)
OKLCH	oklch(47.24% 0.202 270.6)
XYZ	xyz(14.4316, 9.5535, 56.9491)
Luminance	0.0955 (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

#3647CA #CAB936

analogous

#3691CA #3647CA #6F36CA

triadic

#3647CA #CA3647 #47CA36

tetradic

#3647CA #CA3691 #CAB936 #36CA6F

square

#3647CA #CA3691 #CAB936 #36CA6F

split-complementary

#3647CA #CA6F36 #91CA36

monochromatic

#1C256A #29369A #3647CA #6673D7 #97A0E4

Accessibility & contrast

On white

7.21

#3647CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3647CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3647CA

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3647CA	#FFFFFF	#000000	##FFFFFF
##3647CA	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ECE

Deuteranopia (green-blind)

#0050C8

Tritanopia (blue-blind)

#006A82

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3647ca;
/* rgb */ color: rgb(54, 71, 202);
/* oklch */ color: oklch(47.2% 0.202 270.6);

Tailwind

colors: {
  custom: {
    50: '#827adb',
    500: '#3647ca',
    950: '#000000',
  },
}

SCSS

$custom: #3647ca;
$custom-light: #827adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3647ca",
  "rgb": {
    "r": 54,
    "g": 71,
    "b": 202
  },
  "hsl": {
    "h": 233.108,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47243,
    "c": 0.20156,
    "h": 270.6
  },
  "luminance": 0.09555
}

Semantic roles & 50–950 ramp

primary

#3647CA

secondary

#CFC78D

accent

#D046E1

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3647CA

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

Preview Lab → · Contrast checker → · Palette generator →