#3B37D0#3B37D0

#3B37D0 is a mid, highly saturated blue. Relative luminance 0.082; OKLCH L 45.6% C 0.225 H 274.0°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3B37D0
RGB	rgb(59, 55, 208)
HSL	hsl(242, 62%, 52%)
HSV	hsv(242, 74%, 82%)
CMYK	cmyk(71.6%, 73.6%, 0%, 18.4%)
CIE-LAB	lab(34.43, 50.12, -77.46)
CIE-LCH	lch(34.43, 92.27, 302.91°)
OKLab	oklab(45.61% 0.0158 -0.2241)
OKLCH	oklch(45.61% 0.225 274)
XYZ	xyz(14.5512, 8.2148, 60.4810)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.01

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B37D0 #CCD037

analogous

#3780D0 #3B37D0 #8837D0

triadic

#3B37D0 #D03B37 #37D03B

tetradic

#3B37D0 #D03780 #CCD037 #37D088

square

#3B37D0 #D03780 #CCD037 #37D088

split-complementary

#3B37D0 #D08837 #80D037

monochromatic

#1D1B72 #2A26A3 #3B37D0 #6C69DC #9C9AE7

Accessibility & contrast

On white

7.94

#3B37D0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3B37D0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37D0

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37D0	#FFFFFF	#000000	##FFFFFF
##3B37D0	1.00	7.94	2.64	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D4

Deuteranopia (green-blind)

#004ACD

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3b37d0;
/* rgb */ color: rgb(59, 55, 208);
/* oklch */ color: oklch(45.6% 0.225 274.0);

Tailwind

colors: {
  custom: {
    50: '#8770e0',
    500: '#3b37d0',
    950: '#000000',
  },
}

SCSS

$custom: #3b37d0;
$custom-light: #8770e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37d0",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 208
  },
  "hsl": {
    "h": 241.569,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.45613,
    "c": 0.22461,
    "h": 274
  },
  "luminance": 0.08216
}

Semantic roles & 50–950 ramp

primary

#3B37D0

secondary

#D1D390

accent

#E543E1

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3B37D0

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

Preview Lab → · Contrast checker → · Palette generator →