#4248BB#4248BB

#4248BB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.8% C 0.178 H 274.9°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#4248BB
RGB	rgb(66, 72, 187)
HSL	hsl(237, 48%, 50%)
HSV	hsv(237, 65%, 73%)
CMYK	cmyk(64.7%, 61.5%, 0%, 26.7%)
CIE-LAB	lab(36.71, 33.90, -61.45)
CIE-LCH	lch(36.71, 70.18, 298.88°)
OKLab	oklab(46.8% 0.0152 -0.177)
OKLCH	oklch(46.8% 0.178 274.9)
XYZ	xyz(13.5308, 9.3797, 48.1015)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4248BB #BBB542

analogous

#4284BB #4248BB #7942BB

triadic

#4248BB #BB4248 #48BB42

tetradic

#4248BB #BB4284 #BBB542 #42BB79

square

#4248BB #BB4284 #BBB542 #42BB79

split-complementary

#4248BB #BB7942 #84BB42

monochromatic

#222561 #32378E #4248BB #6E73CC #9C9FDC

Accessibility & contrast

On white

7.30

#4248BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4248BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248BB

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248BB	#FFFFFF	#000000	##FFFFFF
##4248BB	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4248bb;
/* rgb */ color: rgb(66, 72, 187);
/* oklch */ color: oklch(46.8% 0.178 274.9);

Tailwind

colors: {
  custom: {
    50: '#847bd0',
    500: '#4248bb',
    950: '#000000',
  },
}

SCSS

$custom: #4248bb;
$custom-light: #847bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4248bb",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 187
  },
  "hsl": {
    "h": 237.025,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46802,
    "c": 0.17768,
    "h": 274.9
  },
  "luminance": 0.09381
}

Semantic roles & 50–950 ramp

primary

#4248BB

secondary

#C8C591

accent

#D150D7

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #4248BB

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

Preview Lab → · Contrast checker → · Palette generator →