#3724A8#3724A8

#3724A8 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.7% C 0.196 H 278.6°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX#3724A8
RGBrgb(55, 36, 168)
HSLhsl(249, 65%, 40%)
HSVhsv(249, 79%, 66%)
CMYKcmyk(67.3%, 78.6%, 0%, 34.1%)
CIE-LABlab(26.45, 47.20, -67.00)
CIE-LCHlch(26.45, 81.95, 305.17°)
OKLaboklab(38.68% 0.0291 -0.1935)
OKLCHoklch(38.68% 0.196 278.6)
XYZxyz(9.2720, 4.9003, 37.4954)
Luminance0.0490 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3724A8 #95A824
analogous
#2453A8 #3724A8 #7924A8
triadic
#3724A8 #A83724 #24A837
tetradic
#3724A8 #A82453 #95A824 #24A879
square
#3724A8 #A82453 #95A824 #24A879
split-complementary
#3724A8 #A87924 #53A824
monochromatic
#160E43 #261976 #3724A8 #4C35D4 #7968DF

Accessibility & contrast

On white

10.60
#3724A8 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.98
#3724A8 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3724A8
10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3724A8#FFFFFF#000000##FFFFFF
##3724A81.0010.601.9810.60
#FFFFFF10.601.0021.001.00
#0000001.9821.001.0021.00
##FFFFFF10.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0044AC
Deuteranopia (green-blind)
#0039A6
Tritanopia (blue-blind)
#004B65
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #3724a8;
/* rgb */ color: rgb(55, 36, 168);
/* oklch */ color: oklch(38.7% 0.196 278.6);
Tailwind
colors: {
  custom: {
    50: '#7e62c3',
    500: '#3724a8',
    950: '#000000',
  },
}
SCSS
$custom: #3724a8;
$custom-light: #7e62c3;
$custom-dark: #000000;
JSON
{
  "hex": "#3724a8",
  "rgb": {
    "r": 55,
    "g": 36,
    "b": 168
  },
  "hsl": {
    "h": 248.636,
    "s": 64.706,
    "l": 40
  },
  "oklch": {
    "l": 0.38684,
    "c": 0.19569,
    "h": 278.6
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary
#3724A8
secondary
#B6C463
accent
#E840D0
background
#F8F6FC
surface
#EFEBF8
border
#CAC6D1
text
#0B0513
muted
#7C7A82

Preview Lab

Preview with #3724A8

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

Preview Lab → · Contrast checker → · Palette generator →

#3724A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva