#3B37DA#3B37DA

#3B37DA is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.6% C 0.236 H 273.4°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3B37DA
RGB	rgb(59, 55, 218)
HSL	hsl(241, 69%, 54%)
HSV	hsv(241, 75%, 85%)
CMYK	cmyk(72.9%, 74.8%, 0%, 14.5%)
CIE-LAB	lab(35.44, 53.30, -81.56)
CIE-LCH	lch(35.44, 97.43, 303.17°)
OKLab	oklab(46.64% 0.0139 -0.236)
OKLCH	oklch(46.64% 0.236 273.4)
XYZ	xyz(15.8205, 8.7225, 67.1659)
Luminance	0.0872 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.11

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B37DA #D6DA37

analogous

#3785DA #3B37DA #8C37DA

triadic

#3B37DA #DA3B37 #37DA3B

tetradic

#3B37DA #DA3785 #D6DA37 #37DA8C

square

#3B37DA #DA3785 #D6DA37 #37DA8C

split-complementary

#3B37DA #DA8C37 #85DA37

monochromatic

#1A187F #2521B3 #3B37DA #6E6BE4 #A09EED

Accessibility & contrast

On white

7.65

#3B37DA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3B37DA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37DA

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B37DA	#FFFFFF	#000000	##FFFFFF
##3B37DA	1.00	7.65	2.74	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BDF

Deuteranopia (green-blind)

#004BD7

Tritanopia (blue-blind)

#006786

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3b37da;
/* rgb */ color: rgb(59, 55, 218);
/* oklch */ color: oklch(46.6% 0.236 273.4);

Tailwind

colors: {
  custom: {
    50: '#8970e7',
    500: '#3b37da',
    950: '#000000',
  },
}

SCSS

$custom: #3b37da;
$custom-light: #8970e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b37da",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 218
  },
  "hsl": {
    "h": 241.472,
    "s": 68.776,
    "l": 53.529
  },
  "oklch": {
    "l": 0.46636,
    "c": 0.23638,
    "h": 273.4
  },
  "luminance": 0.08724
}

Semantic roles & 50–950 ramp

primary

#3B37DA

secondary

#D8D993

accent

#EC3CE7

background

#F9F6FE

surface

#F2ECFD

border

#CCC7D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #3B37DA

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

Preview Lab → · Contrast checker → · Palette generator →