#3735B8#3735B8

#3735B8 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.7% C 0.198 H 274.7°. Best body text is #FFFFFF at 8.88:1 contrast (WCAG AA passes).

Color values

HEX#3735B8
RGBrgb(55, 53, 184)
HSLhsl(241, 55%, 46%)
HSVhsv(241, 71%, 72%)
CMYKcmyk(70.1%, 71.2%, 0%, 27.8%)
CIE-LABlab(31.39, 43.02, -68.42)
CIE-LCHlch(31.39, 80.82, 302.16°)
OKLaboklab(42.67% 0.0161 -0.1978)
OKLCHoklch(42.67% 0.198 274.7)
XYZxyz(11.4975, 6.8180, 46.0482)
Luminance0.0682 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3735B8 #B6B835
analogous
#3575B8 #3735B8 #7935B8
triadic
#3735B8 #B83735 #35B837
tetradic
#3735B8 #B83575 #B6B835 #35B879
square
#3735B8 #B83575 #B6B835 #35B879
split-complementary
#3735B8 #B87935 #75B835
monochromatic
#1B1A59 #292788 #3735B8 #5C5BD0 #8B8ADD

Accessibility & contrast

On white

8.88
#3735B8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.36
#3735B8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3735B8
8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3735B8#FFFFFF#000000##FFFFFF
##3735B81.008.882.368.88
#FFFFFF8.881.0021.001.00
#0000002.3621.001.0021.00
##FFFFFF8.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BC
Deuteranopia (green-blind)
#0044B6
Tritanopia (blue-blind)
#005973
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3735b8;
/* rgb */ color: rgb(55, 53, 184);
/* oklch */ color: oklch(42.7% 0.198 274.7);
Tailwind
colors: {
  custom: {
    50: '#806dcf',
    500: '#3735b8',
    950: '#000000',
  },
}
SCSS
$custom: #3735b8;
$custom-light: #806dcf;
$custom-dark: #000000;
JSON
{
  "hex": "#3735b8",
  "rgb": {
    "r": 55,
    "g": 53,
    "b": 184
  },
  "hsl": {
    "h": 240.916,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.42669,
    "c": 0.19844,
    "h": 274.7
  },
  "luminance": 0.06819
}

Semantic roles & 50–950 ramp

primary
#3735B8
secondary
#C6C781
accent
#DF49DC
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0714
muted
#7D7A82

Preview Lab

Preview with #3735B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3735B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva