#4245C7#4245C7

#4245C7 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.3% C 0.197 H 274.9°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#4245C7
RGB	rgb(66, 69, 199)
HSL	hsl(239, 54%, 52%)
HSV	hsv(239, 67%, 78%)
CMYK	cmyk(66.8%, 65.3%, 0%, 22%)
CIE-LAB	lab(37.00, 39.83, -67.99)
CIE-LCH	lch(37.00, 78.80, 300.36°)
OKLab	oklab(47.33% 0.0167 -0.1962)
OKLCH	oklch(47.33% 0.197 274.9)
XYZ	xyz(14.6803, 9.5367, 55.0889)
Luminance	0.0954 (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

#4245C7 #C7C442

analogous

#4287C7 #4245C7 #8242C7

triadic

#4245C7 #C74245 #45C742

tetradic

#4245C7 #C74287 #C7C442 #42C782

square

#4245C7 #C74287 #C7C442 #42C782

split-complementary

#4245C7 #C78242 #87C742

monochromatic

#21226E #2F319D #4245C7 #7173D5 #A0A2E3

Accessibility & contrast

On white

7.22

#4245C7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#4245C7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245C7

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245C7	#FFFFFF	#000000	##FFFFFF
##4245C7	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DCB

Deuteranopia (green-blind)

#0051C5

Tritanopia (blue-blind)

#006780

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4245c7;
/* rgb */ color: rgb(66, 69, 199);
/* oklch */ color: oklch(47.3% 0.197 274.9);

Tailwind

colors: {
  custom: {
    50: '#8779d9',
    500: '#4245c7',
    950: '#000000',
  },
}

SCSS

$custom: #4245c7;
$custom-light: #8779d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4245c7",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 199
  },
  "hsl": {
    "h": 238.647,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.47325,
    "c": 0.19694,
    "h": 274.9
  },
  "luminance": 0.09538
}

Semantic roles & 50–950 ramp

primary

#4245C7

secondary

#D0CE95

accent

#DA4ADE

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4245C7

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

Preview Lab → · Contrast checker → · Palette generator →