#3437AC#3437AC

#3437AC is a dark, vivid blue. Relative luminance 0.064; OKLCH L 41.6% C 0.182 H 274.1°. Best body text is #FFFFFF at 9.18:1 contrast (WCAG AA passes).

Color values

HEX#3437AC
RGBrgb(52, 55, 172)
HSLhsl(239, 54%, 44%)
HSVhsv(239, 70%, 67%)
CMYKcmyk(69.8%, 68%, 0%, 32.5%)
CIE-LABlab(30.50, 37.39, -62.75)
CIE-LCHlch(30.50, 73.04, 300.79°)
OKLaboklab(41.63% 0.0129 -0.1813)
OKLCHoklch(41.63% 0.182 274.1)
XYZxyz(10.2263, 6.4400, 39.7259)
Luminance0.0644 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3437AC #ACA934
analogous
#3473AC #3437AC #6D34AC
triadic
#3437AC #AC3437 #37AC34
tetradic
#3437AC #AC3473 #ACA934 #34AC6D
square
#3437AC #AC3473 #ACA934 #34AC6D
split-complementary
#3437AC #AC6D34 #73AC34
monochromatic
#18194E #26287D #3437AC #5255CB #8184D9

Accessibility & contrast

On white

9.18
#3437AC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.29
#3437AC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3437AC
9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3437AC#FFFFFF#000000##FFFFFF
##3437AC1.009.182.299.18
#FFFFFF9.181.0021.001.00
#0000002.2921.001.0021.00
##FFFFFF9.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004DB0
Deuteranopia (green-blind)
#0042AA
Tritanopia (blue-blind)
#00566D
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #3437ac;
/* rgb */ color: rgb(52, 55, 172);
/* oklch */ color: oklch(41.6% 0.182 274.1);
Tailwind
colors: {
  custom: {
    50: '#7c6ec6',
    500: '#3437ac',
    950: '#000000',
  },
}
SCSS
$custom: #3437ac;
$custom-light: #7c6ec6;
$custom-dark: #000000;
JSON
{
  "hex": "#3437ac",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 172
  },
  "hsl": {
    "h": 238.5,
    "s": 53.571,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4163,
    "c": 0.18174,
    "h": 274.1
  },
  "luminance": 0.06441
}

Semantic roles & 50–950 ramp

primary
#3437AC
secondary
#C2C079
accent
#D94BDD
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82

Preview Lab

Preview with #3437AC

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

Preview Lab → · Contrast checker → · Palette generator →

#3437AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva