#4248D8#4248D8

#4248D8 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.3% C 0.215 H 273.5°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX#4248D8
RGBrgb(66, 72, 216)
HSLhsl(238, 66%, 55%)
HSVhsv(238, 69%, 85%)
CMYKcmyk(69.4%, 66.7%, 0%, 15.3%)
CIE-LABlab(39.15, 43.73, -74.28)
CIE-LCHlch(39.15, 86.20, 300.48°)
OKLaboklab(49.35% 0.013 -0.2146)
OKLCHoklch(49.35% 0.215 273.5)
XYZxyz(16.9547, 10.7492, 66.1337)
Luminance0.1075 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4248D8 #D8D242
analogous
#4293D8 #4248D8 #8742D8
triadic
#4248D8 #D84248 #48D842
tetradic
#4248D8 #D84293 #D8D242 #42D887
square
#4248D8 #D84293 #D8D242 #42D887
split-complementary
#4248D8 #D88742 #93D842
monochromatic
#1B2084 #262CB7 #4248D8 #7579E2 #A7AAED

Accessibility & contrast

On white

6.67
#4248D8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#4248D8 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4248D8
6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4248D8#FFFFFF#000000##FFFFFF
##4248D81.006.673.156.67
#FFFFFF6.671.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0063DC
Deuteranopia (green-blind)
#0055D5
Tritanopia (blue-blind)
#006E8A
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #4248d8;
/* rgb */ color: rgb(66, 72, 216);
/* oklch */ color: oklch(49.3% 0.215 273.5);
Tailwind
colors: {
  custom: {
    50: '#8a7be5',
    500: '#4248d8',
    950: '#000000',
  },
}
SCSS
$custom: #4248d8;
$custom-light: #8a7be5;
$custom-dark: #000000;
JSON
{
  "hex": "#4248d8",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 216
  },
  "hsl": {
    "h": 237.6,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49347,
    "c": 0.21504,
    "h": 273.5
  },
  "luminance": 0.10751
}

Semantic roles & 50–950 ramp

primary
#4248D8
secondary
#DAD89C
accent
#E23FE9
background
#F9F7FE
surface
#F2EEFC
border
#CCC9D5
text
#0D0916
muted
#7E7B84

Preview Lab

Preview with #4248D8

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

Preview Lab → · Contrast checker → · Palette generator →

#4248D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva