#4245BF#4245BF

#4245BF is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.6% C 0.187 H 275.3°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#4245BF
RGB	rgb(66, 69, 191)
HSL	hsl(239, 49%, 50%)
HSV	hsv(239, 65%, 75%)
CMYK	cmyk(65.4%, 63.9%, 0%, 25.1%)
CIE-LAB	lab(36.32, 37.13, -64.43)
CIE-LCH	lch(36.32, 74.36, 299.95°)
OKLab	oklab(46.62% 0.0174 -0.1858)
OKLCH	oklch(46.62% 0.187 275.3)
XYZ	xyz(13.7758, 9.1749, 50.3251)
Luminance	0.0918 (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

#4245BF #BFBC42

analogous

#4283BF #4245BF #7D42BF

triadic

#4245BF #BF4245 #45BF42

tetradic

#4245BF #BF4283 #BFBC42 #42BF7D

square

#4245BF #BF4283 #BFBC42 #42BF7D

split-complementary

#4245BF #BF7D42 #83BF42

monochromatic

#222465 #323492 #4245BF #7072CE #9D9FDE

Accessibility & contrast

On white

7.41

#4245BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4245BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4245BF

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4245BF	#FFFFFF	#000000	##FFFFFF
##4245BF	1.00	7.41	2.84	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#0050BD

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4245bf;
/* rgb */ color: rgb(66, 69, 191);
/* oklch */ color: oklch(46.6% 0.187 275.3);

Tailwind

colors: {
  custom: {
    50: '#8579d3',
    500: '#4245bf',
    950: '#000000',
  },
}

SCSS

$custom: #4245bf;
$custom-light: #8579d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4245bf",
  "rgb": {
    "r": 66,
    "g": 69,
    "b": 191
  },
  "hsl": {
    "h": 238.56,
    "s": 49.407,
    "l": 50.392
  },
  "oklch": {
    "l": 0.4662,
    "c": 0.1866,
    "h": 275.3
  },
  "luminance": 0.09176
}

Semantic roles & 50–950 ramp

primary

#4245BF

secondary

#CAC993

accent

#D64FD9

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #4245BF

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

Preview Lab → · Contrast checker → · Palette generator →