#4230A9#4230A9

#4230A9 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 41.3% C 0.183 H 281.6°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX#4230A9
RGBrgb(66, 48, 169)
HSLhsl(249, 56%, 43%)
HSVhsv(249, 72%, 66%)
CMYKcmyk(60.9%, 71.6%, 0%, 33.7%)
CIE-LABlab(29.75, 42.42, -62.13)
CIE-LCHlch(29.75, 75.23, 304.32°)
OKLaboklab(41.28% 0.0367 -0.1791)
OKLCHoklch(41.28% 0.183 281.6)
XYZxyz(10.4629, 6.1360, 38.1614)
Luminance0.0614 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4230A9 #97A930
analogous
#305AA9 #4230A9 #7F30A9
triadic
#4230A9 #A94230 #30A942
tetradic
#4230A9 #A9305A #97A930 #30A97F
square
#4230A9 #A9305A #97A930 #30A97F
split-complementary
#4230A9 #A97F30 #5AA930
monochromatic
#1D154A #2F2279 #4230A9 #5E4ACC #887AD9

Accessibility & contrast

On white

9.43
#4230A9 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.23
#4230A9 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230A9
9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4230A9#FFFFFF#000000##FFFFFF
##4230A91.009.432.239.43
#FFFFFF9.431.0021.001.00
#0000002.2321.001.0021.00
##FFFFFF9.431.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004AAD
Deuteranopia (green-blind)
#0042A7
Tritanopia (blue-blind)
#005169
Achromatopsia (no color)
#464646

Design tokens & code

CSS
--color: #4230a9;
/* rgb */ color: rgb(66, 48, 169);
/* oklch */ color: oklch(41.3% 0.183 281.6);
Tailwind
colors: {
  custom: {
    50: '#836ac4',
    500: '#4230a9',
    950: '#000000',
  },
}
SCSS
$custom: #4230a9;
$custom-light: #836ac4;
$custom-dark: #000000;
JSON
{
  "hex": "#4230a9",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 169
  },
  "hsl": {
    "h": 248.926,
    "s": 55.76,
    "l": 42.549
  },
  "oklch": {
    "l": 0.41279,
    "c": 0.18278,
    "h": 281.6
  },
  "luminance": 0.06137
}

Semantic roles & 50–950 ramp

primary
#4230A9
secondary
#B6C273
accent
#DF49C9
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0713
muted
#7D7A82

Preview Lab

Preview with #4230A9

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

Preview Lab → · Contrast checker → · Palette generator →

#4230A9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva