#4248CF#4248CF

#4248CF is a mid, highly saturated blue. Relative luminance 0.103; OKLCH L 48.5% C 0.204 H 273.9°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#4248CF
RGBrgb(66, 72, 207)
HSLhsl(237, 59%, 54%)
HSVhsv(237, 68%, 81%)
CMYKcmyk(68.1%, 65.2%, 0%, 18.8%)
CIE-LABlab(38.37, 40.70, -70.39)
CIE-LCHlch(38.37, 81.31, 300.04°)
OKLaboklab(48.54% 0.0139 -0.2032)
OKLCHoklch(48.54% 0.204 273.9)
XYZxyz(15.8229, 10.2965, 60.1729)
Luminance0.1030 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4248CF #CFC942
analogous
#428ECF #4248CF #8242CF
triadic
#4248CF #CF4248 #48CF42
tetradic
#4248CF #CF428E #CFC942 #42CF82
square
#4248CF #CF428E #CFC942 #42CF82
split-complementary
#4248CF #CF8242 #8ECF42
monochromatic
#1F2278 #2B30A9 #4248CF #7377DB #A4A7E8

Accessibility & contrast

On white

6.86
#4248CF on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.06
#4248CF on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4248CF
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4248CF#FFFFFF#000000##FFFFFF
##4248CF1.006.863.066.86
#FFFFFF6.861.0021.001.00
#0000003.0621.001.0021.00
##FFFFFF6.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0061D3
Deuteranopia (green-blind)
#0054CC
Tritanopia (blue-blind)
#006B85
Achromatopsia (no color)
#5A5A5A

Design tokens & code

CSS
--color: #4248cf;
/* rgb */ color: rgb(66, 72, 207);
/* oklch */ color: oklch(48.5% 0.204 273.9);
Tailwind
colors: {
  custom: {
    50: '#887bdf',
    500: '#4248cf',
    950: '#000000',
  },
}
SCSS
$custom: #4248cf;
$custom-light: #887bdf;
$custom-dark: #000000;
JSON
{
  "hex": "#4248cf",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 207
  },
  "hsl": {
    "h": 237.447,
    "s": 59.494,
    "l": 53.529
  },
  "oklch": {
    "l": 0.48536,
    "c": 0.2037,
    "h": 273.9
  },
  "luminance": 0.10298
}

Semantic roles & 50–950 ramp

primary
#4248CF
secondary
#D5D298
accent
#DC45E3
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #4248CF

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

Preview Lab → · Contrast checker → · Palette generator →

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