#3E37BB#3E37BB

#3E37BB is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.7% C 0.198 H 276.7°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX#3E37BB
RGBrgb(62, 55, 187)
HSLhsl(243, 55%, 47%)
HSVhsv(243, 71%, 73%)
CMYKcmyk(66.8%, 70.6%, 0%, 26.7%)
CIE-LABlab(32.58, 43.66, -68.22)
CIE-LCHlch(32.58, 81.00, 302.62°)
OKLaboklab(43.73% 0.0231 -0.197)
OKLCHoklch(43.73% 0.198 276.7)
XYZxyz(12.3195, 7.3433, 47.7722)
Luminance0.0734 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3E37BB #B4BB37
analogous
#3772BB #3E37BB #8037BB
triadic
#3E37BB #BB3E37 #37BB3E
tetradic
#3E37BB #BB3772 #B4BB37 #37BB80
square
#3E37BB #BB3772 #B4BB37 #37BB80
split-complementary
#3E37BB #BB8037 #72BB37
monochromatic
#1F1B5C #2E298C #3E37BB #655FD0 #938EDE

Accessibility & contrast

On white

8.51
#3E37BB on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#3E37BB on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3E37BB
8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3E37BB#FFFFFF#000000##FFFFFF
##3E37BB1.008.512.478.51
#FFFFFF8.511.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0052BF
Deuteranopia (green-blind)
#0047B9
Tritanopia (blue-blind)
#005B75
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3e37bb;
/* rgb */ color: rgb(62, 55, 187);
/* oklch */ color: oklch(43.7% 0.198 276.7);
Tailwind
colors: {
  custom: {
    50: '#846fd1',
    500: '#3e37bb',
    950: '#000000',
  },
}
SCSS
$custom: #3e37bb;
$custom-light: #846fd1;
$custom-dark: #000000;
JSON
{
  "hex": "#3e37bb",
  "rgb": {
    "r": 62,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 243.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.43731,
    "c": 0.19838,
    "h": 276.7
  },
  "luminance": 0.07344
}

Semantic roles & 50–950 ramp

primary
#3E37BB
secondary
#C5C985
accent
#DE4AD6
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3E37BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3E37BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva