#43399A#43399A

#43399A is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.5% C 0.152 H 282.1°. Best body text is #FFFFFF at 9.17:1 contrast (WCAG AA passes).

Color values

HEX#43399A
RGBrgb(67, 57, 154)
HSLhsl(246, 46%, 41%)
HSVhsv(246, 63%, 60%)
CMYKcmyk(56.5%, 63%, 0%, 39.6%)
CIE-LABlab(30.53, 32.38, -51.79)
CIE-LCHlch(30.53, 61.08, 302.02°)
OKLaboklab(41.46% 0.032 -0.1487)
OKLCHoklch(41.46% 0.152 282.1)
XYZxyz(9.6088, 6.4520, 31.3046)
Luminance0.0645 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#43399A #909A39
analogous
#39609A #43399A #74399A
triadic
#43399A #9A4339 #399A43
tetradic
#43399A #9A3960 #909A39 #399A74
square
#43399A #9A3960 #909A39 #399A74
split-complementary
#43399A #9A7439 #609A39
monochromatic
#1C1841 #30286D #43399A #5D51BF #867ECF

Accessibility & contrast

On white

9.17
#43399A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.29
#43399A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #43399A
9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##43399A#FFFFFF#000000##FFFFFF
##43399A1.009.172.299.17
#FFFFFF9.171.0021.001.00
#0000002.2921.001.0021.00
##FFFFFF9.171.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004B9D
Deuteranopia (green-blind)
#004498
Tritanopia (blue-blind)
#195164
Achromatopsia (no color)
#484848

Design tokens & code

CSS
--color: #43399a;
/* rgb */ color: rgb(67, 57, 154);
/* oklch */ color: oklch(41.5% 0.152 282.1);
Tailwind
colors: {
  custom: {
    50: '#8070b9',
    500: '#43399a',
    950: '#000000',
  },
}
SCSS
$custom: #43399a;
$custom-light: #8070b9;
$custom-dark: #000000;
JSON
{
  "hex": "#43399a",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 154
  },
  "hsl": {
    "h": 246.186,
    "s": 45.972,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41457,
    "c": 0.15209,
    "h": 282.1
  },
  "luminance": 0.06453
}

Semantic roles & 50–950 ramp

primary
#43399A
secondary
#B2B976
accent
#D652C8
background
#F8F6FB
surface
#EFECF6
border
#CAC7D0
text
#0B0711
muted
#7C7A80

Preview Lab

Preview with #43399A

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

Preview Lab → · Contrast checker → · Palette generator →

#43399A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva