#4248CA#4248CA

#4248CA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.1% C 0.197 H 274.2°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX#4248CA
RGBrgb(66, 72, 202)
HSLhsl(237, 56%, 53%)
HSVhsv(237, 67%, 79%)
CMYKcmyk(67.3%, 64.4%, 0%, 20.8%)
CIE-LABlab(37.94, 39.01, -68.19)
CIE-LCHlch(37.94, 78.56, 299.78°)
OKLaboklab(48.09% 0.0143 -0.1968)
OKLCHoklch(48.09% 0.197 274.2)
XYZxyz(15.2213, 10.0559, 57.0045)
Luminance0.1006 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4248CA #CAC442
analogous
#428CCA #4248CA #8042CA
triadic
#4248CA #CA4248 #48CA42
tetradic
#4248CA #CA428C #CAC442 #42CA80
square
#4248CA #CA428C #CAC442 #42CA80
split-complementary
#4248CA #CA8042 #8CCA42
monochromatic
#202372 #2D32A2 #4248CA #7276D7 #A2A5E5

Accessibility & contrast

On white

6.97
#4248CA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.01
#4248CA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4248CA
6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4248CA#FFFFFF#000000##FFFFFF
##4248CA1.006.973.016.97
#FFFFFF6.971.0021.001.00
#0000003.0121.001.0021.00
##FFFFFF6.971.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0060CE
Deuteranopia (green-blind)
#0053C8
Tritanopia (blue-blind)
#006A82
Achromatopsia (no color)
#595959

Design tokens & code

CSS
--color: #4248ca;
/* rgb */ color: rgb(66, 72, 202);
/* oklch */ color: oklch(48.1% 0.197 274.2);
Tailwind
colors: {
  custom: {
    50: '#877bdb',
    500: '#4248ca',
    950: '#000000',
  },
}
SCSS
$custom: #4248ca;
$custom-light: #877bdb;
$custom-dark: #000000;
JSON
{
  "hex": "#4248ca",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 202
  },
  "hsl": {
    "h": 237.353,
    "s": 56.198,
    "l": 52.549
  },
  "oklch": {
    "l": 0.48093,
    "c": 0.19732,
    "h": 274.2
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary
#4248CA
secondary
#D1CF96
accent
#D948DF
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #4248CA

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

Preview Lab → · Contrast checker → · Palette generator →

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