#3437C0#3437C0

#3437C0 is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.6% C 0.207 H 272.8°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX#3437C0
RGBrgb(52, 55, 192)
HSLhsl(239, 57%, 48%)
HSVhsv(239, 73%, 75%)
CMYKcmyk(72.9%, 71.4%, 0%, 24.7%)
CIE-LABlab(32.41, 44.21, -71.47)
CIE-LCHlch(32.41, 84.04, 301.74°)
OKLaboklab(43.58% 0.0103 -0.2067)
OKLCHoklch(43.58% 0.207 272.8)
XYZxyz(12.2936, 7.2670, 50.6137)
Luminance0.0727 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3437C0 #C0BD34
analogous
#347DC0 #3437C0 #7734C0
triadic
#3437C0 #C03437 #37C034
tetradic
#3437C0 #C0347D #C0BD34 #34C077
square
#3437C0 #C0347D #C0BD34 #34C077
split-complementary
#3437C0 #C07734 #7DC034
monochromatic
#1A1B60 #272990 #3437C0 #5E60D3 #8E90E0

Accessibility & contrast

On white

8.56
#3437C0 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.45
#3437C0 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3437C0
8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3437C0#FFFFFF#000000##FFFFFF
##3437C01.008.562.458.56
#FFFFFF8.561.0021.001.00
#0000002.4521.001.0021.00
##FFFFFF8.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053C4
Deuteranopia (green-blind)
#0045BE
Tritanopia (blue-blind)
#005D78
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #3437c0;
/* rgb */ color: rgb(52, 55, 192);
/* oklch */ color: oklch(43.6% 0.207 272.8);
Tailwind
colors: {
  custom: {
    50: '#816fd4',
    500: '#3437c0',
    950: '#000000',
  },
}
SCSS
$custom: #3437c0;
$custom-light: #816fd4;
$custom-dark: #000000;
JSON
{
  "hex": "#3437c0",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 238.714,
    "s": 57.377,
    "l": 47.843
  },
  "oklch": {
    "l": 0.43584,
    "c": 0.207,
    "h": 272.8
  },
  "luminance": 0.07268
}

Semantic roles & 50–950 ramp

primary
#3437C0
secondary
#CBC985
accent
#DD47E1
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0C0714
muted
#7D7A83

Preview Lab

Preview with #3437C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3437C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva