#4248CC#4248CC

#4248CC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.3% C 0.200 H 274.1°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#4248CC
RGB	rgb(66, 72, 204)
HSL	hsl(237, 58%, 53%)
HSV	hsv(237, 68%, 80%)
CMYK	cmyk(67.6%, 64.7%, 0%, 20%)
CIE-LAB	lab(38.11, 39.69, -69.07)
CIE-LCH	lch(38.11, 79.66, 299.88°)
OKLab	oklab(48.27% 0.0141 -0.1994)
OKLCH	oklch(48.27% 0.2 274.1)
XYZ	xyz(15.4596, 10.1512, 58.2597)
Luminance	0.1015 (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

#4248CC #CCC642

analogous

#428DCC #4248CC #8142CC

triadic

#4248CC #CC4248 #48CC42

tetradic

#4248CC #CC428D #CCC642 #42CC81

square

#4248CC #CC428D #CCC642 #42CC81

split-complementary

#4248CC #CC8142 #8DCC42

monochromatic

#1F2374 #2C32A4 #4248CC #7277D9 #A2A5E6

Accessibility & contrast

On white

6.93

#4248CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#4248CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4248CC

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4248CC	#FFFFFF	#000000	##FFFFFF
##4248CC	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060D0

Deuteranopia (green-blind)

#0053C9

Tritanopia (blue-blind)

#006A83

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4248cc;
/* rgb */ color: rgb(66, 72, 204);
/* oklch */ color: oklch(48.3% 0.200 274.1);

Tailwind

colors: {
  custom: {
    50: '#877bdd',
    500: '#4248cc',
    950: '#000000',
  },
}

SCSS

$custom: #4248cc;
$custom-light: #877bdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4248cc",
  "rgb": {
    "r": 66,
    "g": 72,
    "b": 204
  },
  "hsl": {
    "h": 237.391,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48269,
    "c": 0.19988,
    "h": 274.1
  },
  "luminance": 0.10153
}

Semantic roles & 50–950 ramp

primary

#4248CC

secondary

#D3D097

accent

#DA47E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4248CC

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

Preview Lab → · Contrast checker → · Palette generator →