#3736B7#3736B7

#3736B7 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.7% C 0.196 H 274.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX#3736B7
RGBrgb(55, 54, 183)
HSLhsl(240, 54%, 46%)
HSVhsv(240, 70%, 72%)
CMYKcmyk(69.9%, 70.5%, 0%, 28.2%)
CIE-LABlab(31.51, 42.10, -67.63)
CIE-LCHlch(31.51, 79.67, 301.90°)
OKLaboklab(42.72% 0.0157 -0.1955)
OKLCHoklch(42.72% 0.196 274.6)
XYZxyz(11.4391, 6.8684, 45.5134)
Luminance0.0687 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3736B7 #B6B736
analogous
#3676B7 #3736B7 #7836B7
triadic
#3736B7 #B73736 #36B737
tetradic
#3736B7 #B73676 #B6B736 #36B778
square
#3736B7 #B73676 #B6B736 #36B778
split-complementary
#3736B7 #B77836 #76B736
monochromatic
#1B1A58 #292888 #3736B7 #5C5BCF #8B8BDD

Accessibility & contrast

On white

8.85
#3736B7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#3736B7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3736B7
8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3736B7#FFFFFF#000000##FFFFFF
##3736B71.008.852.378.85
#FFFFFF8.851.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BB
Deuteranopia (green-blind)
#0044B5
Tritanopia (blue-blind)
#005A72
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3736b7;
/* rgb */ color: rgb(55, 54, 183);
/* oklch */ color: oklch(42.7% 0.196 274.6);
Tailwind
colors: {
  custom: {
    50: '#806ece',
    500: '#3736b7',
    950: '#000000',
  },
}
SCSS
$custom: #3736b7;
$custom-light: #806ece;
$custom-dark: #000000;
JSON
{
  "hex": "#3736b7",
  "rgb": {
    "r": 55,
    "g": 54,
    "b": 183
  },
  "hsl": {
    "h": 240.465,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42723,
    "c": 0.19612,
    "h": 274.6
  },
  "luminance": 0.06869
}

Semantic roles & 50–950 ramp

primary
#3736B7
secondary
#C6C782
accent
#DE4ADD
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3736B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3736B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva