#4248C7#4248C7

#4248C7 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.8% C 0.193 H 274.3°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#4248C7
RGB	rgb(66, 72, 199)
HSL	hsl(237, 54%, 52%)
HSV	hsv(237, 67%, 78%)
CMYK	cmyk(66.8%, 63.8%, 0%, 22%)
CIE-LAB	lab(37.69, 37.99, -66.86)
CIE-LCH	lch(37.69, 76.90, 299.61°)
OKLab	oklab(47.83% 0.0145 -0.1929)
OKLCH	oklch(47.83% 0.193 274.3)
XYZ	xyz(14.8695, 9.9152, 55.1520)
Luminance	0.0992 (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

#4248C7 #C7C142

analogous

#428BC7 #4248C7 #7F42C7

triadic

#4248C7 #C74248 #48C742

tetradic

#4248C7 #C7428B #C7C142 #42C77F

square

#4248C7 #C7428B #C7C142 #42C77F

split-complementary

#4248C7 #C77F42 #8BC742

monochromatic

#21246E #2F349D #4248C7 #7176D5 #A0A3E3

Accessibility & contrast

On white

7.04

#4248C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#4248C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248C7

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248C7	#FFFFFF	#000000	##FFFFFF
##4248C7	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCB

Deuteranopia (green-blind)

#0053C5

Tritanopia (blue-blind)

#006981

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4248c7;
/* rgb */ color: rgb(66, 72, 199);
/* oklch */ color: oklch(47.8% 0.193 274.3);

Tailwind

colors: {
  custom: {
    50: '#867bd9',
    500: '#4248c7',
    950: '#000000',
  },
}

SCSS

$custom: #4248c7;
$custom-light: #867bd9;
$custom-dark: #000000;

JSON

{
  "hex": "#4248c7",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 199
  },
  "hsl": {
    "h": 237.293,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.4783,
    "c": 0.19344,
    "h": 274.3
  },
  "luminance": 0.09917
}

Semantic roles & 50–950 ramp

primary

#4248C7

secondary

#D0CD95

accent

#D74ADE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0915

muted

#7D7B83

Preview Lab

Preview with #4248C7

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

Preview Lab → · Contrast checker → · Palette generator →