#3638C5#3638C5

#3638C5 is a dark, highly saturated blue. Relative luminance 0.076; OKLCH L 44.4% C 0.212 H 273.0°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3638C5
RGB	rgb(54, 56, 197)
HSL	hsl(239, 57%, 49%)
HSV	hsv(239, 73%, 77%)
CMYK	cmyk(72.6%, 71.6%, 0%, 22.7%)
CIE-LAB	lab(33.23, 45.50, -73.05)
CIE-LCH	lch(33.23, 86.06, 301.92°)
OKLab	oklab(44.35% 0.0113 -0.2113)
OKLCH	oklch(44.35% 0.212 273)
XYZ	xyz(13.0102, 7.6425, 53.6020)
Luminance	0.0764 (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

#3638C5 #C5C336

analogous

#3680C5 #3638C5 #7C36C5

triadic

#3638C5 #C53638 #38C536

tetradic

#3638C5 #C53680 #C5C336 #36C57C

square

#3638C5 #C53680 #C5C336 #36C57C

split-complementary

#3638C5 #C57C36 #80C536

monochromatic

#1C1D65 #292A95 #3638C5 #6465D4 #9495E2

Accessibility & contrast

On white

8.30

#3638C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3638C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3638C5

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3638C5	#FFFFFF	#000000	##FFFFFF
##3638C5	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055C9

Deuteranopia (green-blind)

#0047C2

Tritanopia (blue-blind)

#00607B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3638c5;
/* rgb */ color: rgb(54, 56, 197);
/* oklch */ color: oklch(44.4% 0.212 273.0);

Tailwind

colors: {
  custom: {
    50: '#8270d8',
    500: '#3638c5',
    950: '#000000',
  },
}

SCSS

$custom: #3638c5;
$custom-light: #8270d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3638c5",
  "rgb": {
    "r": 54,
    "g": 56,
    "b": 197
  },
  "hsl": {
    "h": 239.161,
    "s": 56.972,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4435,
    "c": 0.21161,
    "h": 273
  },
  "luminance": 0.07644
}

Semantic roles & 50–950 ramp

primary

#3638C5

secondary

#CDCC8A

accent

#DE48E0

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0C0715

muted

#7D7A83

Preview Lab

Preview with #3638C5

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

Preview Lab → · Contrast checker → · Palette generator →