#3638C6#3638C6

#3638C6 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.213 H 273.0°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#3638C6
RGB	rgb(54, 56, 198)
HSL	hsl(239, 57%, 49%)
HSV	hsv(239, 73%, 78%)
CMYK	cmyk(72.7%, 71.7%, 0%, 22.4%)
CIE-LAB	lab(33.33, 45.83, -73.47)
CIE-LCH	lch(33.33, 86.59, 301.96°)
OKLab	oklab(44.45% 0.0111 -0.2125)
OKLCH	oklch(44.45% 0.213 273)
XYZ	xyz(13.1251, 7.6885, 54.2074)
Luminance	0.0769 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.48

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3638C6 #C6C436

analogous

#3680C6 #3638C6 #7C36C6

triadic

#3638C6 #C63638 #38C636

tetradic

#3638C6 #C63680 #C6C436 #36C67C

square

#3638C6 #C63680 #C6C436 #36C67C

split-complementary

#3638C6 #C67C36 #80C636

monochromatic

#1C1D66 #292A96 #3638C6 #6466D5 #9496E2

Accessibility & contrast

On white

8.27

#3638C6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3638C6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3638C6

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3638C6	#FFFFFF	#000000	##FFFFFF
##3638C6	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055CA

Deuteranopia (green-blind)

#0047C3

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3638c6;
/* rgb */ color: rgb(54, 56, 198);
/* oklch */ color: oklch(44.5% 0.213 273.0);

Tailwind

colors: {
  custom: {
    50: '#8370d9',
    500: '#3638c6',
    950: '#000000',
  },
}

SCSS

$custom: #3638c6;
$custom-light: #8370d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3638c6",
  "rgb": {
    "r": 54,
    "g": 56,
    "b": 198
  },
  "hsl": {
    "h": 239.167,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.4445,
    "c": 0.21283,
    "h": 273
  },
  "luminance": 0.0769
}

Semantic roles & 50–950 ramp

primary

#3638C6

secondary

#CDCC8B

accent

#DE47E0

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3638C6

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

Preview Lab → · Contrast checker → · Palette generator →