#4F45BB#4F45BB

#4F45BB is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.2% C 0.179 H 280.9°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#4F45BB
RGB	rgb(79, 69, 187)
HSL	hsl(245, 46%, 50%)
HSV	hsv(245, 63%, 73%)
CMYK	cmyk(57.8%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(36.94, 37.86, -61.03)
CIE-LCH	lch(36.94, 71.82, 301.82°)
OKLab	oklab(47.22% 0.0338 -0.1754)
OKLCH	oklch(47.22% 0.179 280.9)
XYZ	xyz(14.3194, 9.5054, 48.0842)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F45BB #B1BB45

analogous

#4576BB #4F45BB #8A45BB

triadic

#4F45BB #BB4F45 #45BB4F

tetradic

#4F45BB #BB4576 #B1BB45 #45BB8A

square

#4F45BB #BB4576 #B1BB45 #45BB8A

split-complementary

#4F45BB #BB8A45 #76BB45

monochromatic

#292462 #3C348F #4F45BB #7972CB #A49FDC

Accessibility & contrast

On white

7.24

#4F45BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4F45BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4F45BB

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F45BB	#FFFFFF	#000000	##FFFFFF
##4F45BB	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0053B9

Tritanopia (blue-blind)

#0F6279

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4f45bb;
/* rgb */ color: rgb(79, 69, 187);
/* oklch */ color: oklch(47.2% 0.179 280.9);

Tailwind

colors: {
  custom: {
    50: '#8b79d0',
    500: '#4f45bb',
    950: '#000000',
  },
}

SCSS

$custom: #4f45bb;
$custom-light: #8b79d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4f45bb",
  "rgb": {
    "r": 79,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 245.085,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.47215,
    "c": 0.17866,
    "h": 280.9
  },
  "luminance": 0.09506
}

Semantic roles & 50–950 ramp

primary

#4F45BB

secondary

#C4C894

accent

#D652CB

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4F45BB

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

Preview Lab → · Contrast checker → · Palette generator →