#4248AC#4248AC

#4248AC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.6% C 0.157 H 275.6°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX#4248AC
RGBrgb(66, 72, 172)
HSLhsl(237, 45%, 47%)
HSVhsv(237, 62%, 67%)
CMYKcmyk(61.6%, 58.1%, 0%, 32.5%)
CIE-LABlab(35.54, 28.74, -54.48)
CIE-LCHlch(35.54, 61.59, 297.81°)
OKLaboklab(45.57% 0.0154 -0.1565)
OKLCHoklch(45.57% 0.157 275.6)
XYZxyz(12.0081, 8.7706, 40.0818)
Luminance0.0877 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4248AC #ACA642
analogous
#427DAC #4248AC #7142AC
triadic
#4248AC #AC4248 #48AC42
tetradic
#4248AC #AC427D #ACA642 #42AC71
square
#4248AC #AC427D #ACA642 #42AC71
split-complementary
#4248AC #AC7142 #7DAC42
monochromatic
#202354 #313580 #4248AC #676CC5 #9397D6

Accessibility & contrast

On white

7.62
#4248AC on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#4248AC on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248AC
7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4248AC#FFFFFF#000000##FFFFFF
##4248AC1.007.622.757.62
#FFFFFF7.621.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.621.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058AF
Deuteranopia (green-blind)
#004FAA
Tritanopia (blue-blind)
#006073
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #4248ac;
/* rgb */ color: rgb(66, 72, 172);
/* oklch */ color: oklch(45.6% 0.157 275.6);
Tailwind
colors: {
  custom: {
    50: '#817bc5',
    500: '#4248ac',
    950: '#000000',
  },
}
SCSS
$custom: #4248ac;
$custom-light: #817bc5;
$custom-dark: #000000;
JSON
{
  "hex": "#4248ac",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 172
  },
  "hsl": {
    "h": 236.604,
    "s": 44.538,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45573,
    "c": 0.15729,
    "h": 275.6
  },
  "luminance": 0.08772
}

Semantic roles & 50–950 ramp

primary
#4248AC
secondary
#C1BE89
accent
#CD54D4
background
#F8F7FC
surface
#F0EDF8
border
#CBC8D1
text
#0B0913
muted
#7C7B82

Preview Lab

Preview with #4248AC

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

Preview Lab → · Contrast checker → · Palette generator →

#4248AC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva