#3B37C0#3B37C0

#3B37C0 is a dark, highly saturated blue. Relative luminance 0.075; OKLCH L 44.0% C 0.205 H 275.2°. Best body text is #FFFFFF at 8.42:1 contrast (WCAG AA passes).

Color values

HEX#3B37C0
RGBrgb(59, 55, 192)
HSLhsl(242, 55%, 48%)
HSVhsv(242, 71%, 75%)
CMYKcmyk(69.3%, 71.4%, 0%, 24.7%)
CIE-LABlab(32.85, 44.94, -70.73)
CIE-LCHlch(32.85, 83.80, 302.43°)
OKLaboklab(44.02% 0.0185 -0.2044)
OKLCHoklch(44.02% 0.205 275.2)
XYZxyz(12.6811, 7.4668, 50.6319)
Luminance0.0747 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B37C0 #BCC037
analogous
#3777C0 #3B37C0 #7F37C0
triadic
#3B37C0 #C03B37 #37C03B
tetradic
#3B37C0 #C03777 #BCC037 #37C07F
square
#3B37C0 #C03777 #BCC037 #37C07F
split-complementary
#3B37C0 #C07F37 #77C037
monochromatic
#1E1C61 #2C2990 #3B37C0 #6562D2 #9492E0

Accessibility & contrast

On white

8.42
#3B37C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#3B37C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B37C0
8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B37C0#FFFFFF#000000##FFFFFF
##3B37C01.008.422.498.42
#FFFFFF8.421.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.421.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C4
Deuteranopia (green-blind)
#0047BD
Tritanopia (blue-blind)
#005D78
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3b37c0;
/* rgb */ color: rgb(59, 55, 192);
/* oklch */ color: oklch(44.0% 0.205 275.2);
Tailwind
colors: {
  custom: {
    50: '#836fd4',
    500: '#3b37c0',
    950: '#000000',
  },
}
SCSS
$custom: #3b37c0;
$custom-light: #836fd4;
$custom-dark: #000000;
JSON
{
  "hex": "#3b37c0",
  "rgb": {
    "r": 59,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 241.752,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44015,
    "c": 0.20527,
    "h": 275.2
  },
  "luminance": 0.07468
}

Semantic roles & 50–950 ramp

primary
#3B37C0
secondary
#C9CB88
accent
#DF49DA
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3B37C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3B37C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva