#3D37C4#3D37C4

#3D37C4 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.5% C 0.210 H 275.6°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX#3D37C4
RGBrgb(61, 55, 196)
HSLhsl(243, 56%, 49%)
HSVhsv(243, 72%, 77%)
CMYKcmyk(68.9%, 71.9%, 0%, 23.1%)
CIE-LABlab(33.37, 46.47, -72.21)
CIE-LCHlch(33.37, 85.87, 302.76°)
OKLaboklab(44.54% 0.0203 -0.2087)
OKLCHoklch(44.54% 0.21 275.6)
XYZxyz(13.2512, 7.7088, 53.0035)
Luminance0.0771 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D37C4 #BEC437
analogous
#3778C4 #3D37C4 #8437C4
triadic
#3D37C4 #C43D37 #37C43D
tetradic
#3D37C4 #C43778 #BEC437 #37C484
square
#3D37C4 #C43778 #BEC437 #37C484
split-complementary
#3D37C4 #C48437 #78C437
monochromatic
#1F1C64 #2E2A94 #3D37C4 #6965D4 #9894E1

Accessibility & contrast

On white

8.26
#3D37C4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.54
#3D37C4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37C4
8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D37C4#FFFFFF#000000##FFFFFF
##3D37C41.008.262.548.26
#FFFFFF8.261.0021.001.00
#0000002.5421.001.0021.00
##FFFFFF8.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0055C8
Deuteranopia (green-blind)
#0048C1
Tritanopia (blue-blind)
#005F7A
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #3d37c4;
/* rgb */ color: rgb(61, 55, 196);
/* oklch */ color: oklch(44.5% 0.210 275.6);
Tailwind
colors: {
  custom: {
    50: '#856fd7',
    500: '#3d37c4',
    950: '#000000',
  },
}
SCSS
$custom: #3d37c4;
$custom-light: #856fd7;
$custom-dark: #000000;
JSON
{
  "hex": "#3d37c4",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 196
  },
  "hsl": {
    "h": 242.553,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.4454,
    "c": 0.20969,
    "h": 275.6
  },
  "luminance": 0.0771
}

Semantic roles & 50–950 ramp

primary
#3D37C4
secondary
#C9CC8B
accent
#DF48D9
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0715
muted
#7D7A83

Preview Lab

Preview with #3D37C4

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

Preview Lab → · Contrast checker → · Palette generator →

#3D37C4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva