#3638C3#3638C3

#3638C3 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.2% C 0.209 H 273.2°. Best body text is #FFFFFF at 8.36:1 contrast (WCAG AA passes).

Color values

HEX	#3638C3
RGB	rgb(54, 56, 195)
HSL	hsl(239, 57%, 49%)
HSV	hsv(239, 72%, 76%)
CMYK	cmyk(72.3%, 71.3%, 0%, 23.5%)
CIE-LAB	lab(33.03, 44.83, -72.20)
CIE-LCH	lch(33.03, 84.98, 301.84°)
OKLab	oklab(44.15% 0.0116 -0.2088)
OKLCH	oklch(44.15% 0.209 273.2)
XYZ	xyz(12.7825, 7.5515, 52.4031)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3638C3 #C3C136

analogous

#367FC3 #3638C3 #7B36C3

triadic

#3638C3 #C33638 #38C336

tetradic

#3638C3 #C3367F #C3C136 #36C37B

square

#3638C3 #C3367F #C3C136 #36C37B

split-complementary

#3638C3 #C37B36 #7FC336

monochromatic

#1B1C63 #292A93 #3638C3 #6364D4 #9294E1

Accessibility & contrast

On white

8.36

#3638C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3638C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3638C3

8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3638C3	#FFFFFF	#000000	##FFFFFF
##3638C3	1.00	8.36	2.51	8.36
#FFFFFF	8.36	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C7

Deuteranopia (green-blind)

#0047C0

Tritanopia (blue-blind)

#005F7A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3638c3;
/* rgb */ color: rgb(54, 56, 195);
/* oklch */ color: oklch(44.2% 0.209 273.2);

Tailwind

colors: {
  custom: {
    50: '#8270d6',
    500: '#3638c3',
    950: '#000000',
  },
}

SCSS

$custom: #3638c3;
$custom-light: #8270d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3638c3",
  "rgb": {
    "r": 54,
    "g": 56,
    "b": 195
  },
  "hsl": {
    "h": 239.149,
    "s": 56.627,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44151,
    "c": 0.20916,
    "h": 273.2
  },
  "luminance": 0.07553
}

Semantic roles & 50–950 ramp

primary

#3638C3

secondary

#CCCB89

accent

#DE48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3638C3

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

Preview Lab → · Contrast checker → · Palette generator →