#4D45BB#4D45BB

#4D45BB is a mid, vivid blue. Relative luminance 0.094; OKLCH L 47.1% C 0.179 H 280.0°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#4D45BB
RGB	rgb(77, 69, 187)
HSL	hsl(244, 46%, 50%)
HSV	hsv(244, 63%, 73%)
CMYK	cmyk(58.8%, 63.1%, 0%, 26.7%)
CIE-LAB	lab(36.78, 37.52, -61.29)
CIE-LCH	lch(36.78, 71.87, 301.47°)
OKLab	oklab(47.06% 0.0312 -0.1763)
OKLCH	oklch(47.06% 0.179 280)
XYZ	xyz(14.1555, 9.4209, 48.0766)
Luminance	0.0942 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.28

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D45BB #B3BB45

analogous

#4578BB #4D45BB #8845BB

triadic

#4D45BB #BB4D45 #45BB4D

tetradic

#4D45BB #BB4578 #B3BB45 #45BB88

square

#4D45BB #BB4578 #B3BB45 #45BB88

split-complementary

#4D45BB #BB8845 #78BB45

monochromatic

#282462 #3A348F #4D45BB #7872CB #A39FDC

Accessibility & contrast

On white

7.28

#4D45BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#4D45BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D45BB

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D45BB	#FFFFFF	#000000	##FFFFFF
##4D45BB	1.00	7.28	2.88	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BBF

Deuteranopia (green-blind)

#0052B9

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4d45bb;
/* rgb */ color: rgb(77, 69, 187);
/* oklch */ color: oklch(47.1% 0.179 280.0);

Tailwind

colors: {
  custom: {
    50: '#8a79d0',
    500: '#4d45bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d45bb;
$custom-light: #8a79d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d45bb",
  "rgb": {
    "r": 77,
    "g": 69,
    "b": 187
  },
  "hsl": {
    "h": 244.068,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4706,
    "c": 0.17901,
    "h": 280
  },
  "luminance": 0.09422
}

Semantic roles & 50–950 ramp

primary

#4D45BB

secondary

#C5C894

accent

#D652CD

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4D45BB

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

Preview Lab → · Contrast checker → · Palette generator →