#4245C3#4245C3

#4245C3 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.0% C 0.192 H 275.1°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#4245C3
RGB	rgb(66, 69, 195)
HSL	hsl(239, 52%, 51%)
HSV	hsv(239, 66%, 76%)
CMYK	cmyk(66.2%, 64.6%, 0%, 23.5%)
CIE-LAB	lab(36.66, 38.48, -66.22)
CIE-LCH	lch(36.66, 76.59, 300.16°)
OKLab	oklab(46.97% 0.0171 -0.191)
OKLCH	oklch(46.97% 0.192 275.1)
XYZ	xyz(14.2220, 9.3534, 52.6751)
Luminance	0.0935 (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

#4245C3 #C3C042

analogous

#4285C3 #4245C3 #7F42C3

triadic

#4245C3 #C34245 #45C342

tetradic

#4245C3 #C34285 #C3C042 #42C37F

square

#4245C3 #C34285 #C3C042 #42C37F

split-complementary

#4245C3 #C37F42 #85C342

monochromatic

#212369 #303398 #4245C3 #7073D2 #9FA0E0

Accessibility & contrast

On white

7.31

#4245C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#4245C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245C3

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245C3	#FFFFFF	#000000	##FFFFFF
##4245C3	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC7

Deuteranopia (green-blind)

#0050C1

Tritanopia (blue-blind)

#00667E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #4245c3;
/* rgb */ color: rgb(66, 69, 195);
/* oklch */ color: oklch(47.0% 0.192 275.1);

Tailwind

colors: {
  custom: {
    50: '#8679d6',
    500: '#4245c3',
    950: '#000000',
  },
}

SCSS

$custom: #4245c3;
$custom-light: #8679d6;
$custom-dark: #000000;

JSON

{
  "hex": "#4245c3",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 195
  },
  "hsl": {
    "h": 238.605,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46971,
    "c": 0.1918,
    "h": 275.1
  },
  "luminance": 0.09355
}

Semantic roles & 50–950 ramp

primary

#4245C3

secondary

#CDCC94

accent

#D84DDB

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4245C3

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

Preview Lab → · Contrast checker → · Palette generator →