#4248C5#4248C5

#4248C5 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.7% C 0.191 H 274.4°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#4248C5
RGB	rgb(66, 72, 197)
HSL	hsl(237, 53%, 52%)
HSV	hsv(237, 66%, 77%)
CMYK	cmyk(66.5%, 63.5%, 0%, 22.7%)
CIE-LAB	lab(37.52, 37.31, -65.97)
CIE-LCH	lch(37.52, 75.79, 299.49°)
OKLab	oklab(47.66% 0.0146 -0.1903)
OKLCH	oklch(47.66% 0.191 274.4)
XYZ	xyz(14.6388, 9.8229, 53.9371)
Luminance	0.0982 (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

#4248C5 #C5BF42

analogous

#428AC5 #4248C5 #7E42C5

triadic

#4248C5 #C54248 #48C542

tetradic

#4248C5 #C5428A #C5BF42 #42C57E

square

#4248C5 #C5428A #C5BF42 #42C57E

split-complementary

#4248C5 #C57E42 #8AC542

monochromatic

#21246C #2F349A #4248C5 #7175D3 #A0A3E2

Accessibility & contrast

On white

7.08

#4248C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#4248C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4248C5

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248C5	#FFFFFF	#000000	##FFFFFF
##4248C5	1.00	7.08	2.96	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC9

Deuteranopia (green-blind)

#0052C3

Tritanopia (blue-blind)

#006880

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4248c5;
/* rgb */ color: rgb(66, 72, 197);
/* oklch */ color: oklch(47.7% 0.191 274.4);

Tailwind

colors: {
  custom: {
    50: '#867bd8',
    500: '#4248c5',
    950: '#000000',
  },
}

SCSS

$custom: #4248c5;
$custom-light: #867bd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4248c5",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 197
  },
  "hsl": {
    "h": 237.252,
    "s": 53.036,
    "l": 51.569
  },
  "oklch": {
    "l": 0.47656,
    "c": 0.19085,
    "h": 274.4
  },
  "luminance": 0.09824
}

Semantic roles & 50–950 ramp

primary

#4248C5

secondary

#CECC95

accent

#D64BDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #4248C5

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

Preview Lab → · Contrast checker → · Palette generator →