#3D37BE#3D37BE

#3D37BE is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.0% C 0.202 H 276.1°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX#3D37BE
RGBrgb(61, 55, 190)
HSLhsl(243, 55%, 48%)
HSVhsv(243, 71%, 75%)
CMYKcmyk(67.9%, 71.1%, 0%, 25.5%)
CIE-LABlab(32.79, 44.52, -69.64)
CIE-LCHlch(32.79, 82.65, 302.59°)
OKLaboklab(43.95% 0.0214 -0.2012)
OKLCHoklch(43.95% 0.202 276.1)
XYZxyz(12.5819, 7.4411, 49.4784)
Luminance0.0744 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3D37BE #B8BE37
analogous
#3774BE #3D37BE #8137BE
triadic
#3D37BE #BE3D37 #37BE3D
tetradic
#3D37BE #BE3774 #B8BE37 #37BE81
square
#3D37BE #BE3774 #B8BE37 #37BE81
split-complementary
#3D37BE #BE8137 #74BE37
monochromatic
#1F1C5F #2E298F #3D37BE #6661D1 #9490DF

Accessibility & contrast

On white

8.44
#3D37BE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.49
#3D37BE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3D37BE
8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3D37BE#FFFFFF#000000##FFFFFF
##3D37BE1.008.442.498.44
#FFFFFF8.441.0021.001.00
#0000002.4921.001.0021.00
##FFFFFF8.441.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C2
Deuteranopia (green-blind)
#0047BC
Tritanopia (blue-blind)
#005C77
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #3d37be;
/* rgb */ color: rgb(61, 55, 190);
/* oklch */ color: oklch(44.0% 0.202 276.1);
Tailwind
colors: {
  custom: {
    50: '#846fd3',
    500: '#3d37be',
    950: '#000000',
  },
}
SCSS
$custom: #3d37be;
$custom-light: #846fd3;
$custom-dark: #000000;
JSON
{
  "hex": "#3d37be",
  "rgb": {
    "r": 61,
    "g": 55,
    "b": 190
  },
  "hsl": {
    "h": 242.667,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.43952,
    "c": 0.20233,
    "h": 276.1
  },
  "luminance": 0.07442
}

Semantic roles & 50–950 ramp

primary
#3D37BE
secondary
#C7CA87
accent
#DE49D8
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3D37BE

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

Preview Lab → · Contrast checker → · Palette generator →

#3D37BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva