#4248D1#4248D1

#4248D1 is a mid, highly saturated blue. Relative luminance 0.104; OKLCH L 48.7% C 0.206 H 273.8°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#4248D1
RGB	rgb(66, 72, 209)
HSL	hsl(237, 61%, 54%)
HSV	hsv(237, 68%, 82%)
CMYK	cmyk(68.4%, 65.6%, 0%, 18%)
CIE-LAB	lab(38.54, 41.38, -71.26)
CIE-LCH	lch(38.54, 82.40, 300.14°)
OKLab	oklab(48.72% 0.0137 -0.2058)
OKLCH	oklch(48.72% 0.206 273.8)
XYZ	xyz(16.0689, 10.3949, 61.4688)
Luminance	0.1040 (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

#4248D1 #D1CB42

analogous

#428FD1 #4248D1 #8442D1

triadic

#4248D1 #D14248 #48D142

tetradic

#4248D1 #D1428F #D1CB42 #42D184

square

#4248D1 #D1428F #D1CB42 #42D184

split-complementary

#4248D1 #D18442 #8FD142

monochromatic

#1E227B #2A2FAC #4248D1 #7378DD #A4A7E9

Accessibility & contrast

On white

6.82

#4248D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4248D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4248D1

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248D1	#FFFFFF	#000000	##FFFFFF
##4248D1	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061D5

Deuteranopia (green-blind)

#0054CE

Tritanopia (blue-blind)

#006C86

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4248d1;
/* rgb */ color: rgb(66, 72, 209);
/* oklch */ color: oklch(48.7% 0.206 273.8);

Tailwind

colors: {
  custom: {
    50: '#887be0',
    500: '#4248d1',
    950: '#000000',
  },
}

SCSS

$custom: #4248d1;
$custom-light: #887be0;
$custom-dark: #000000;

JSON

{
  "hex": "#4248d1",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 209
  },
  "hsl": {
    "h": 237.483,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.48715,
    "c": 0.20625,
    "h": 273.8
  },
  "luminance": 0.10396
}

Semantic roles & 50–950 ramp

primary

#4248D1

secondary

#D6D399

accent

#DD44E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4248D1

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

Preview Lab → · Contrast checker → · Palette generator →