#4248C0#4248C0

#4248C0 is a mid, vivid blue. Relative luminance 0.096; OKLCH L 47.2% C 0.184 H 274.6°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#4248C0
RGB	rgb(66, 72, 192)
HSL	hsl(237, 50%, 51%)
HSV	hsv(237, 66%, 75%)
CMYK	cmyk(65.6%, 62.5%, 0%, 24.7%)
CIE-LAB	lab(37.11, 35.61, -63.72)
CIE-LCH	lch(37.11, 73.00, 299.20°)
OKLab	oklab(47.23% 0.0149 -0.1837)
OKLCH	oklch(47.23% 0.184 274.6)
XYZ	xyz(14.0754, 9.5975, 50.9697)
Luminance	0.0960 (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

#4248C0 #C0BA42

analogous

#4287C0 #4248C0 #7B42C0

triadic

#4248C0 #C04248 #48C042

tetradic

#4248C0 #C04287 #C0BA42 #42C07B

square

#4248C0 #C04287 #C0BA42 #42C07B

split-complementary

#4248C0 #C07B42 #87C042

monochromatic

#222566 #313694 #4248C0 #7074CF #9EA1DF

Accessibility & contrast

On white

7.19

#4248C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#4248C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248C0

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248C0	#FFFFFF	#000000	##FFFFFF
##4248C0	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC4

Deuteranopia (green-blind)

#0052BE

Tritanopia (blue-blind)

#00667D

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4248c0;
/* rgb */ color: rgb(66, 72, 192);
/* oklch */ color: oklch(47.2% 0.184 274.6);

Tailwind

colors: {
  custom: {
    50: '#857bd4',
    500: '#4248c0',
    950: '#000000',
  },
}

SCSS

$custom: #4248c0;
$custom-light: #857bd4;
$custom-dark: #000000;

JSON

{
  "hex": "#4248c0",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 192
  },
  "hsl": {
    "h": 237.143,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.47226,
    "c": 0.1843,
    "h": 274.6
  },
  "luminance": 0.09599
}

Semantic roles & 50–950 ramp

primary

#4248C0

secondary

#CBC893

accent

#D34EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4248C0

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

Preview Lab → · Contrast checker → · Palette generator →