#4248B2#4248B2

#4248B2 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.166 H 275.3°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#4248B2
RGB	rgb(66, 72, 178)
HSL	hsl(237, 46%, 48%)
HSV	hsv(237, 63%, 70%)
CMYK	cmyk(62.9%, 59.6%, 0%, 30.2%)
CIE-LAB	lab(36.00, 30.81, -57.30)
CIE-LCH	lch(36.00, 65.05, 298.26°)
OKLab	oklab(46.06% 0.0154 -0.1648)
OKLCH	oklch(46.06% 0.166 275.3)
XYZ	xyz(12.5974, 9.0063, 43.1854)
Luminance	0.0901 (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

#4248B2 #B2AC42

analogous

#4280B2 #4248B2 #7442B2

triadic

#4248B2 #B24248 #48B242

tetradic

#4248B2 #B24280 #B2AC42 #42B274

square

#4248B2 #B24280 #B2AC42 #42B274

split-complementary

#4248B2 #B27442 #80B242

monochromatic

#212459 #313685 #4248B2 #6A6FC8 #969AD8

Accessibility & contrast

On white

7.50

#4248B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#4248B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248B2

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248B2	#FFFFFF	#000000	##FFFFFF
##4248B2	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB6

Deuteranopia (green-blind)

#0050B0

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4248b2;
/* rgb */ color: rgb(66, 72, 178);
/* oklch */ color: oklch(46.1% 0.166 275.3);

Tailwind

colors: {
  custom: {
    50: '#827bca',
    500: '#4248b2',
    950: '#000000',
  },
}

SCSS

$custom: #4248b2;
$custom-light: #827bca;
$custom-dark: #000000;

JSON

{
  "hex": "#4248b2",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 178
  },
  "hsl": {
    "h": 236.786,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.46057,
    "c": 0.16554,
    "h": 275.3
  },
  "luminance": 0.09007
}

Semantic roles & 50–950 ramp

primary

#4248B2

secondary

#C4C18C

accent

#CF52D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #4248B2

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

Preview Lab → · Contrast checker → · Palette generator →