#4230AC#4230AC

#4230AC is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.6% C 0.187 H 281.2°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX#4230AC
RGBrgb(66, 48, 172)
HSLhsl(249, 56%, 43%)
HSVhsv(249, 72%, 67%)
CMYKcmyk(61.6%, 72.1%, 0%, 32.5%)
CIE-LABlab(30.03, 43.36, -63.47)
CIE-LCHlch(30.03, 76.86, 304.34°)
OKLaboklab(41.57% 0.0361 -0.183)
OKLCHoklch(41.57% 0.187 281.2)
XYZxyz(10.7478, 6.2499, 39.6617)
Luminance0.0625 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4230AC #9AAC30
analogous
#305CAC #4230AC #8030AC
triadic
#4230AC #AC4230 #30AC42
tetradic
#4230AC #AC305C #9AAC30 #30AC80
square
#4230AC #AC305C #9AAC30 #30AC80
split-complementary
#4230AC #AC8030 #5CAC30
monochromatic
#1D154C #30237C #4230AC #5F4CCD #8A7CDA

Accessibility & contrast

On white

9.33
#4230AC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.25
#4230AC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4230AC
9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4230AC#FFFFFF#000000##FFFFFF
##4230AC1.009.332.259.33
#FFFFFF9.331.0021.001.00
#0000002.2521.001.0021.00
##FFFFFF9.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#004BB0
Deuteranopia (green-blind)
#0042AA
Tritanopia (blue-blind)
#00526B
Achromatopsia (no color)
#474747

Design tokens & code

CSS
--color: #4230ac;
/* rgb */ color: rgb(66, 48, 172);
/* oklch */ color: oklch(41.6% 0.187 281.2);
Tailwind
colors: {
  custom: {
    50: '#836ac6',
    500: '#4230ac',
    950: '#000000',
  },
}
SCSS
$custom: #4230ac;
$custom-light: #836ac6;
$custom-dark: #000000;
JSON
{
  "hex": "#4230ac",
  "rgb": {
    "r": 66,
    "g": 48,
    "b": 172
  },
  "hsl": {
    "h": 248.71,
    "s": 56.364,
    "l": 43.137
  },
  "oklch": {
    "l": 0.41565,
    "c": 0.18651,
    "h": 281.2
  },
  "luminance": 0.06251
}

Semantic roles & 50–950 ramp

primary
#4230AC
secondary
#B8C375
accent
#E048CA
background
#F8F6FC
surface
#F0EBF8
border
#CBC6D1
text
#0C0713
muted
#7D7A82

Preview Lab

Preview with #4230AC

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

Preview Lab → · Contrast checker → · Palette generator →

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