#3437A9#3437A9

#3437A9 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.3% C 0.178 H 274.3°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX#3437A9
RGBrgb(52, 55, 169)
HSLhsl(238, 53%, 43%)
HSVhsv(238, 69%, 66%)
CMYKcmyk(69.2%, 67.5%, 0%, 33.7%)
CIE-LABlab(30.22, 36.35, -61.40)
CIE-LCHlch(30.22, 71.35, 300.63°)
OKLaboklab(41.35% 0.0132 -0.1773)
OKLCHoklch(41.35% 0.178 274.3)
XYZxyz(9.9414, 6.3261, 38.2256)
Luminance0.0633 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3437A9 #A9A634
analogous
#3471A9 #3437A9 #6C34A9
triadic
#3437A9 #A93437 #37A934
tetradic
#3437A9 #A93471 #A9A634 #34A96C
square
#3437A9 #A93471 #A9A634 #34A96C
split-complementary
#3437A9 #A96C34 #71A934
monochromatic
#17194B #26287A #3437A9 #5154C9 #8082D8

Accessibility & contrast

On white

9.27
#3437A9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.27
#3437A9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3437A9
9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3437A9#FFFFFF#000000##FFFFFF
##3437A91.009.272.279.27
#FFFFFF9.271.0021.001.00
#0000002.2721.001.0021.00
##FFFFFF9.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004DAD
Deuteranopia (green-blind)
#0042A7
Tritanopia (blue-blind)
#00556B
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #3437a9;
/* rgb */ color: rgb(52, 55, 169);
/* oklch */ color: oklch(41.3% 0.178 274.3);
Tailwind
colors: {
  custom: {
    50: '#7b6ec4',
    500: '#3437a9',
    950: '#000000',
  },
}
SCSS
$custom: #3437a9;
$custom-light: #7b6ec4;
$custom-dark: #000000;
JSON
{
  "hex": "#3437a9",
  "rgb": {
    "r": 52,
    "g": 55,
    "b": 169
  },
  "hsl": {
    "h": 238.462,
    "s": 52.941,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41346,
    "c": 0.17783,
    "h": 274.3
  },
  "luminance": 0.06327
}

Semantic roles & 50–950 ramp

primary
#3437A9
secondary
#C1BF78
accent
#D94BDC
background
#F8F6FC
surface
#EFECF8
border
#CAC7D1
text
#0B0713
muted
#7C7A82

Preview Lab

Preview with #3437A9

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

Preview Lab → · Contrast checker → · Palette generator →

#3437A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva