#4248B5#4248B5

#4248B5 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.3% C 0.170 H 275.2°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#4248B5
RGB	rgb(66, 72, 181)
HSL	hsl(237, 47%, 48%)
HSV	hsv(237, 64%, 71%)
CMYK	cmyk(63.5%, 60.2%, 0%, 29%)
CIE-LAB	lab(36.23, 31.84, -58.69)
CIE-LCH	lch(36.23, 66.77, 298.48°)
OKLab	oklab(46.3% 0.0153 -0.1689)
OKLCH	oklch(46.3% 0.17 275.2)
XYZ	xyz(12.9019, 9.1281, 44.7891)
Luminance	0.0913 (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

#4248B5 #B5AF42

analogous

#4281B5 #4248B5 #7542B5

triadic

#4248B5 #B54248 #48B542

tetradic

#4248B5 #B54281 #B5AF42 #42B575

square

#4248B5 #B54281 #B5AF42 #42B575

split-complementary

#4248B5 #B57542 #81B542

monochromatic

#21245B #323688 #4248B5 #6B70C9 #989BD9

Accessibility & contrast

On white

7.43

#4248B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#4248B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248B5

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248B5	#FFFFFF	#000000	##FFFFFF
##4248B5	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB9

Deuteranopia (green-blind)

#0050B3

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4248b5;
/* rgb */ color: rgb(66, 72, 181);
/* oklch */ color: oklch(46.3% 0.170 275.2);

Tailwind

colors: {
  custom: {
    50: '#837bcc',
    500: '#4248b5',
    950: '#000000',
  },
}

SCSS

$custom: #4248b5;
$custom-light: #837bcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4248b5",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 181
  },
  "hsl": {
    "h": 236.87,
    "s": 46.559,
    "l": 48.431
  },
  "oklch": {
    "l": 0.46302,
    "c": 0.16962,
    "h": 275.2
  },
  "luminance": 0.09129
}

Semantic roles & 50–950 ramp

primary

#4248B5

secondary

#C5C28E

accent

#CF52D6

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4248B5

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

Preview Lab → · Contrast checker → · Palette generator →