#3733C2#3733C2

#3733C2 is a dark, highly saturated blue. Relative luminance 0.071; OKLCH L 43.4% C 0.213 H 274.2°. Best body text is #FFFFFF at 8.70:1 contrast (WCAG AA passes).

Color values

HEX	#3733C2
RGB	rgb(55, 51, 194)
HSL	hsl(242, 58%, 48%)
HSV	hsv(242, 74%, 76%)
CMYK	cmyk(71.6%, 73.7%, 0%, 23.9%)
CIE-LAB	lab(31.97, 47.44, -73.35)
CIE-LCH	lch(31.97, 87.36, 302.89°)
OKLab	oklab(43.38% 0.0155 -0.2121)
OKLCH	oklch(43.38% 0.213 274.2)
XYZ	xyz(12.4937, 7.0737, 51.7354)
Luminance	0.0707 (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

#3733C2 #BEC233

analogous

#3377C2 #3733C2 #7E33C2

triadic

#3733C2 #C23733 #33C237

tetradic

#3733C2 #C23377 #BEC233 #33C27E

square

#3733C2 #C23377 #BEC233 #33C27E

split-complementary

#3733C2 #C27E33 #77C233

monochromatic

#1C1A61 #292692 #3733C2 #615ED5 #908EE1

Accessibility & contrast

On white

8.70

#3733C2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3733C2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3733C2

8.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3733C2	#FFFFFF	#000000	##FFFFFF
##3733C2	1.00	8.70	2.41	8.70
#FFFFFF	8.70	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052C6

Deuteranopia (green-blind)

#0044BF

Tritanopia (blue-blind)

#005C78

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3733c2;
/* rgb */ color: rgb(55, 51, 194);
/* oklch */ color: oklch(43.4% 0.213 274.2);

Tailwind

colors: {
  custom: {
    50: '#836dd6',
    500: '#3733c2',
    950: '#000000',
  },
}

SCSS

$custom: #3733c2;
$custom-light: #836dd6;
$custom-dark: #000000;

JSON

{
  "hex": "#3733c2",
  "rgb": {
    "r": 55,
    "g": 51,
    "b": 194
  },
  "hsl": {
    "h": 241.678,
    "s": 58.367,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43384,
    "c": 0.21272,
    "h": 274.2
  },
  "luminance": 0.07075
}

Semantic roles & 50–950 ramp

primary

#3733C2

secondary

#CACC85

accent

#E246DD

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3733C2

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

Preview Lab → · Contrast checker → · Palette generator →