#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
RGBrgb(59, 55, 208)
HSLhsl(242, 62%, 52%)
HSVhsv(242, 74%, 82%)
CMYKcmyk(71.6%, 73.6%, 0%, 18.4%)
CIE-LABlab(34.43, 50.12, -77.46)
CIE-LCHlch(34.43, 92.27, 302.91°)
OKLaboklab(45.61% 0.0158 -0.2241)
OKLCHoklch(45.61% 0.225 274)
XYZxyz(14.5512, 8.2148, 60.4810)
Luminance0.0822 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

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
##3B37D01.007.942.647.94
#FFFFFF7.941.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.941.0021.001.00

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 →

#3B37D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva