#3638C1#3638C1

#3638C1 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.207 H 273.3°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3638C1
RGB	rgb(54, 56, 193)
HSL	hsl(239, 56%, 48%)
HSV	hsv(239, 72%, 76%)
CMYK	cmyk(72%, 71%, 0%, 24.3%)
CIE-LAB	lab(32.84, 44.16, -71.35)
CIE-LCH	lch(32.84, 83.91, 301.76°)
OKLab	oklab(43.95% 0.0119 -0.2063)
OKLCH	oklch(43.95% 0.207 273.3)
XYZ	xyz(12.5579, 7.4616, 51.2202)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.52

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3638C1 #C1BF36

analogous

#367DC1 #3638C1 #7936C1

triadic

#3638C1 #C13638 #38C136

tetradic

#3638C1 #C1367D #C1BF36 #36C179

square

#3638C1 #C1367D #C1BF36 #36C179

split-complementary

#3638C1 #C17936 #7DC136

monochromatic

#1B1C61 #292A91 #3638C1 #6163D3 #9192E0

Accessibility & contrast

On white

8.42

#3638C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3638C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3638C1

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3638C1	#FFFFFF	#000000	##FFFFFF
##3638C1	1.00	8.42	2.49	8.42
#FFFFFF	8.42	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C5

Deuteranopia (green-blind)

#0047BE

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3638c1;
/* rgb */ color: rgb(54, 56, 193);
/* oklch */ color: oklch(44.0% 0.207 273.3);

Tailwind

colors: {
  custom: {
    50: '#8270d5',
    500: '#3638c1',
    950: '#000000',
  },
}

SCSS

$custom: #3638c1;
$custom-light: #8270d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3638c1",
  "rgb": {
    "r": 54,
    "g": 56,
    "b": 193
  },
  "hsl": {
    "h": 239.137,
    "s": 56.275,
    "l": 48.431
  },
  "oklch": {
    "l": 0.43952,
    "c": 0.20669,
    "h": 273.3
  },
  "luminance": 0.07463
}

Semantic roles & 50–950 ramp

primary

#3638C1

secondary

#CBCA88

accent

#DD48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3638C1

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

Preview Lab → · Contrast checker → · Palette generator →