#4245F0#4245F0

#4245F0 is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 51.2% C 0.247 H 272.7°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4245F0
RGB	rgb(66, 69, 240)
HSL	hsl(239, 85%, 60%)
HSV	hsv(239, 73%, 94%)
CMYK	cmyk(72.5%, 71.3%, 0%, 5.9%)
CIE-LAB	lab(40.74, 53.30, -85.32)
CIE-LCH	lch(40.74, 100.61, 301.99°)
OKLab	oklab(51.16% 0.0116 -0.2469)
OKLCH	oklch(51.16% 0.247 272.7)
XYZ	xyz(20.0978, 11.7037, 83.6210)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4245F0 #F0ED42

analogous

#429CF0 #4245F0 #9642F0

triadic

#4245F0 #F04245 #45F042

tetradic

#4245F0 #F0429C #F0ED42 #42F096

square

#4245F0 #F0429C #F0ED42 #42F096

split-complementary

#4245F0 #F09642 #9CF042

monochromatic

#0E10AA #1216E3 #4245F0 #7B7DF4 #B3B5F9

Accessibility & contrast

On white

6.29

#4245F0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4245F0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4245F0

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245F0	#FFFFFF	#000000	##FFFFFF
##4245F0	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068F5

Deuteranopia (green-blind)

#0058ED

Tritanopia (blue-blind)

#007696

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4245f0;
/* rgb */ color: rgb(66, 69, 240);
/* oklch */ color: oklch(51.2% 0.247 272.7);

Tailwind

colors: {
  custom: {
    50: '#8f7af6',
    500: '#4245f0',
    950: '#000000',
  },
}

SCSS

$custom: #4245f0;
$custom-light: #8f7af6;
$custom-dark: #000000;

JSON

{
  "hex": "#4245f0",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 240
  },
  "hsl": {
    "h": 238.966,
    "s": 85.294,
    "l": 60
  },
  "oklch": {
    "l": 0.51159,
    "c": 0.24715,
    "h": 272.7
  },
  "luminance": 0.11706
}

Semantic roles & 50–950 ramp

primary

#4245F0

secondary

#E8E7A5

accent

#F82CFC

background

#F9F7FF

surface

#F2EEFF

border

#CCC9D7

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4245F0

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

Preview Lab → · Contrast checker → · Palette generator →