#4D43BB#4D43BB

#4D43BB is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.7% C 0.181 H 280.5°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#4D43BB
RGB	rgb(77, 67, 187)
HSL	hsl(245, 47%, 50%)
HSV	hsv(245, 64%, 73%)
CMYK	cmyk(58.8%, 64.2%, 0%, 26.7%)
CIE-LAB	lab(36.33, 38.73, -62.03)
CIE-LCH	lch(36.33, 73.13, 301.98°)
OKLab	oklab(46.73% 0.033 -0.1785)
OKLCH	oklch(46.73% 0.181 280.5)
XYZ	xyz(14.0345, 9.1790, 48.0362)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 0.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D43BB #B1BB43

analogous

#4375BB #4D43BB #8943BB

triadic

#4D43BB #BB4D43 #43BB4D

tetradic

#4D43BB #BB4375 #B1BB43 #43BB89

square

#4D43BB #BB4375 #B1BB43 #43BB89

split-complementary

#4D43BB #BB8943 #75BB43

monochromatic

#282361 #3A338E #4D43BB #7770CC #A29DDC

Accessibility & contrast

On white

7.40

#4D43BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#4D43BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D43BB

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D43BB	#FFFFFF	#000000	##FFFFFF
##4D43BB	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005ABF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#006179

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #4d43bb;
/* rgb */ color: rgb(77, 67, 187);
/* oklch */ color: oklch(46.7% 0.181 280.5);

Tailwind

colors: {
  custom: {
    50: '#8a78d0',
    500: '#4d43bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d43bb;
$custom-light: #8a78d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d43bb",
  "rgb": {
    "r": 77,
    "g": 67,
    "b": 187
  },
  "hsl": {
    "h": 245,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.46728,
    "c": 0.18149,
    "h": 280.5
  },
  "luminance": 0.0918
}

Semantic roles & 50–950 ramp

primary

#4D43BB

secondary

#C4C892

accent

#D751CC

background

#F9F7FC

surface

#F1EDF9

border

#CBC8D2

text

#0D0914

muted

#7E7B82

Preview Lab

Preview with #4D43BB

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

Preview Lab → · Contrast checker → · Palette generator →