#3437B6#3437B6

#3437B6 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 42.6% C 0.195 H 273.4°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#3437B6
RGBrgb(52, 55, 182)
HSLhsl(239, 56%, 46%)
HSVhsv(239, 71%, 71%)
CMYKcmyk(71.4%, 69.8%, 0%, 28.6%)
CIE-LABlab(31.44, 40.83, -67.16)
CIE-LCHlch(31.44, 78.60, 301.30°)
OKLaboklab(42.6% 0.0117 -0.1942)
OKLCHoklch(42.6% 0.195 273.4)
XYZxyz(11.2230, 6.8387, 44.9754)
Luminance0.0684 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3437B6 #B6B334
analogous
#3478B6 #3437B6 #7234B6
triadic
#3437B6 #B63437 #37B634
tetradic
#3437B6 #B63478 #B6B334 #34B672
square
#3437B6 #B63478 #B6B334 #34B672
split-complementary
#3437B6 #B67234 #78B634
monochromatic
#191A57 #262986 #3437B6 #585BCF #888ADD

Accessibility & contrast

On white

8.87
#3437B6 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.37
#3437B6 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3437B6
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3437B6#FFFFFF#000000##FFFFFF
##3437B61.008.872.378.87
#FFFFFF8.871.0021.001.00
#0000002.3721.001.0021.00
##FFFFFF8.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0050BA
Deuteranopia (green-blind)
#0044B4
Tritanopia (blue-blind)
#005A72
Achromatopsia (no color)
#4A4A4A

Design tokens & code

CSS
--color: #3437b6;
/* rgb */ color: rgb(52, 55, 182);
/* oklch */ color: oklch(42.6% 0.195 273.4);
Tailwind
colors: {
  custom: {
    50: '#7e6fcd',
    500: '#3437b6',
    950: '#000000',
  },
}
SCSS
$custom: #3437b6;
$custom-light: #7e6fcd;
$custom-dark: #000000;
JSON
{
  "hex": "#3437b6",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 182
  },
  "hsl": {
    "h": 238.615,
    "s": 55.556,
    "l": 45.882
  },
  "oklch": {
    "l": 0.42595,
    "c": 0.19453,
    "h": 273.4
  },
  "luminance": 0.0684
}

Semantic roles & 50–950 ramp

primary
#3437B6
secondary
#C7C57F
accent
#DB49DF
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0B0714
muted
#7C7A82

Preview Lab

Preview with #3437B6

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

Preview Lab → · Contrast checker → · Palette generator →

#3437B6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva