#4248BF#4248BF

#4248BF is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.1% C 0.183 H 274.7°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX#4248BF
RGBrgb(66, 72, 191)
HSLhsl(237, 49%, 50%)
HSVhsv(237, 65%, 75%)
CMYKcmyk(65.4%, 62.3%, 0%, 25.1%)
CIE-LABlab(37.03, 35.27, -63.27)
CIE-LCHlch(37.03, 72.43, 299.14°)
OKLaboklab(47.14% 0.015 -0.1824)
OKLCHoklch(47.14% 0.183 274.7)
XYZxyz(13.9650, 9.5534, 50.3882)
Luminance0.0955 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4248BF #BFB942
analogous
#4286BF #4248BF #7A42BF
triadic
#4248BF #BF4248 #48BF42
tetradic
#4248BF #BF4286 #BFB942 #42BF7A
square
#4248BF #BF4286 #BFB942 #42BF7A
split-complementary
#4248BF #BF7A42 #86BF42
monochromatic
#222565 #323692 #4248BF #7074CE #9DA1DE

Accessibility & contrast

On white

7.21
#4248BF on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.91
#4248BF on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248BF
7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4248BF#FFFFFF#000000##FFFFFF
##4248BF1.007.212.917.21
#FFFFFF7.211.0021.001.00
#0000002.9121.001.0021.00
##FFFFFF7.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005DC3
Deuteranopia (green-blind)
#0052BD
Tritanopia (blue-blind)
#00667D
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #4248bf;
/* rgb */ color: rgb(66, 72, 191);
/* oklch */ color: oklch(47.1% 0.183 274.7);
Tailwind
colors: {
  custom: {
    50: '#857bd3',
    500: '#4248bf',
    950: '#000000',
  },
}
SCSS
$custom: #4248bf;
$custom-light: #857bd3;
$custom-dark: #000000;
JSON
{
  "hex": "#4248bf",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 191
  },
  "hsl": {
    "h": 237.12,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.4714,
    "c": 0.18298,
    "h": 274.7
  },
  "luminance": 0.09555
}

Semantic roles & 50–950 ramp

primary
#4248BF
secondary
#CAC893
accent
#D24FD9
background
#F8F7FD
surface
#F0EEFA
border
#CBC9D3
text
#0C0914
muted
#7D7B83

Preview Lab

Preview with #4248BF

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

Preview Lab → · Contrast checker → · Palette generator →

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