#3B37CA#3B37CA

#3B37CA is a mid, highly saturated blue. Relative luminance 0.079; OKLCH L 45.0% C 0.217 H 274.4°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3B37CA
RGB	rgb(59, 55, 202)
HSL	hsl(242, 58%, 50%)
HSV	hsv(242, 73%, 79%)
CMYK	cmyk(70.8%, 72.8%, 0%, 20.8%)
CIE-LAB	lab(33.83, 48.20, -74.97)
CIE-LCH	lch(33.83, 89.12, 302.74°)
OKLab	oklab(45.01% 0.0168 -0.2168)
OKLCH	oklch(45.01% 0.217 274.4)
XYZ	xyz(13.8270, 7.9251, 56.6667)
Luminance	0.0793 (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

#3B37CA #C6CA37

analogous

#377CCA #3B37CA #8537CA

triadic

#3B37CA #CA3B37 #37CA3B

tetradic

#3B37CA #CA377C #C6CA37 #37CA85

square

#3B37CA #CA377C #C6CA37 #37CA85

split-complementary

#3B37CA #CA8537 #7CCA37

monochromatic

#1E1C6A #2C299B #3B37CA #6A67D7 #9A98E4

Accessibility & contrast

On white

8.12

#3B37CA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3B37CA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37CA

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37CA	#FFFFFF	#000000	##FFFFFF
##3B37CA	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056CE

Deuteranopia (green-blind)

#0049C7

Tritanopia (blue-blind)

#00617D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3b37ca;
/* rgb */ color: rgb(59, 55, 202);
/* oklch */ color: oklch(45.0% 0.217 274.4);

Tailwind

colors: {
  custom: {
    50: '#8670db',
    500: '#3b37ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b37ca;
$custom-light: #8670db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37ca",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 202
  },
  "hsl": {
    "h": 241.633,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45008,
    "c": 0.21744,
    "h": 274.4
  },
  "luminance": 0.07926
}

Semantic roles & 50–950 ramp

primary

#3B37CA

secondary

#CDCF8E

accent

#E146DD

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3B37CA

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

Preview Lab → · Contrast checker → · Palette generator →