#3738C2#3738C2

#3738C2 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.1% C 0.208 H 273.6°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#3738C2
RGB	rgb(55, 56, 194)
HSL	hsl(240, 56%, 49%)
HSV	hsv(240, 72%, 76%)
CMYK	cmyk(71.6%, 71.1%, 0%, 23.9%)
CIE-LAB	lab(32.99, 44.60, -71.67)
CIE-LCH	lch(32.99, 84.41, 301.89°)
OKLab	oklab(44.11% 0.0129 -0.2073)
OKLCH	oklch(44.11% 0.208 273.6)
XYZ	xyz(12.7241, 7.5344, 51.8122)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.56

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3738C2 #C2C137

analogous

#377EC2 #3738C2 #7C37C2

triadic

#3738C2 #C23738 #38C237

tetradic

#3738C2 #C2377E #C2C137 #37C27C

square

#3738C2 #C2377E #C2C137 #37C27C

split-complementary

#3738C2 #C27C37 #7EC237

monochromatic

#1C1C63 #292A92 #3738C2 #6364D3 #9394E0

Accessibility & contrast

On white

8.38

#3738C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#3738C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3738C2

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3738C2	#FFFFFF	#000000	##FFFFFF
##3738C2	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C6

Deuteranopia (green-blind)

#0047BF

Tritanopia (blue-blind)

#005F79

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3738c2;
/* rgb */ color: rgb(55, 56, 194);
/* oklch */ color: oklch(44.1% 0.208 273.6);

Tailwind

colors: {
  custom: {
    50: '#8270d6',
    500: '#3738c2',
    950: '#000000',
  },
}

SCSS

$custom: #3738c2;
$custom-light: #8270d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3738c2",
  "rgb": {
    "r": 55,
    "g": 56,
    "b": 194
  },
  "hsl": {
    "h": 239.568,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44111,
    "c": 0.20768,
    "h": 273.6
  },
  "luminance": 0.07536
}

Semantic roles & 50–950 ramp

primary

#3738C2

secondary

#CBCB89

accent

#DE49DF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3738C2

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

Preview Lab → · Contrast checker → · Palette generator →