#3735B9#3735B9

#3735B9 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.8% C 0.200 H 274.6°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX#3735B9
RGBrgb(55, 53, 185)
HSLhsl(241, 55%, 47%)
HSVhsv(241, 71%, 73%)
CMYKcmyk(70.3%, 71.4%, 0%, 27.5%)
CIE-LABlab(31.49, 43.35, -68.85)
CIE-LCHlch(31.49, 81.36, 302.20°)
OKLaboklab(42.77% 0.016 -0.199)
OKLCHoklch(42.77% 0.2 274.6)
XYZxyz(11.6027, 6.8601, 46.6022)
Luminance0.0686 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3735B9 #B7B935
analogous
#3575B9 #3735B9 #7935B9
triadic
#3735B9 #B93735 #35B937
tetradic
#3735B9 #B93575 #B7B935 #35B979
square
#3735B9 #B93575 #B7B935 #35B979
split-complementary
#3735B9 #B97935 #75B935
monochromatic
#1B1A5A #292789 #3735B9 #5D5BD0 #8C8BDE

Accessibility & contrast

On white

8.85
#3735B9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#3735B9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735B9
8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3735B9#FFFFFF#000000##FFFFFF
##3735B91.008.852.378.85
#FFFFFF8.851.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BD
Deuteranopia (green-blind)
#0044B7
Tritanopia (blue-blind)
#005A73
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3735b9;
/* rgb */ color: rgb(55, 53, 185);
/* oklch */ color: oklch(42.8% 0.200 274.6);
Tailwind
colors: {
  custom: {
    50: '#806ecf',
    500: '#3735b9',
    950: '#000000',
  },
}
SCSS
$custom: #3735b9;
$custom-light: #806ecf;
$custom-dark: #000000;
JSON
{
  "hex": "#3735b9",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 185
  },
  "hsl": {
    "h": 240.909,
    "s": 55.462,
    "l": 46.667
  },
  "oklch": {
    "l": 0.42768,
    "c": 0.19968,
    "h": 274.6
  },
  "luminance": 0.06861
}

Semantic roles & 50–950 ramp

primary
#3735B9
secondary
#C7C882
accent
#DF49DD
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3735B9

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

Preview Lab → · Contrast checker → · Palette generator →

#3735B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva