#3837C2#3837C2

#3837C2 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.208 H 274.0°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#3837C2
RGB	rgb(56, 55, 194)
HSL	hsl(240, 56%, 49%)
HSV	hsv(240, 72%, 76%)
CMYK	cmyk(71.1%, 71.6%, 0%, 23.9%)
CIE-LAB	lab(32.85, 45.28, -71.91)
CIE-LCH	lch(32.85, 84.98, 302.20°)
OKLab	oklab(44.02% 0.0146 -0.2079)
OKLCH	oklch(44.02% 0.208 274)
XYZ	xyz(12.7314, 7.4669, 51.7988)
Luminance	0.0747 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3837C2 #C1C237

analogous

#377CC2 #3837C2 #7E37C2

triadic

#3837C2 #C23837 #37C238

tetradic

#3837C2 #C2377C #C1C237 #37C27E

square

#3837C2 #C2377C #C1C237 #37C27E

split-complementary

#3837C2 #C27E37 #7CC237

monochromatic

#1C1C63 #2A2992 #3837C2 #6463D3 #9493E0

Accessibility & contrast

On white

8.42

#3837C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3837C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3837C2

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3837C2	#FFFFFF	#000000	##FFFFFF
##3837C2	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)

#0054C6

Deuteranopia (green-blind)

#0047BF

Tritanopia (blue-blind)

#005E79

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3837c2;
/* rgb */ color: rgb(56, 55, 194);
/* oklch */ color: oklch(44.0% 0.208 274.0);

Tailwind

colors: {
  custom: {
    50: '#836fd6',
    500: '#3837c2',
    950: '#000000',
  },
}

SCSS

$custom: #3837c2;
$custom-light: #836fd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3837c2",
  "rgb": {
    "r": 56,
    "g": 55,
    "b": 194
  },
  "hsl": {
    "h": 240.432,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.44023,
    "c": 0.20846,
    "h": 274
  },
  "luminance": 0.07468
}

Semantic roles & 50–950 ramp

primary

#3837C2

secondary

#CBCB89

accent

#DF49DE

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3837C2

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

Preview Lab → · Contrast checker → · Palette generator →