#4D39BB#4D39BB

#4D39BB is a mid, vivid blue. Relative luminance 0.081; OKLCH L 45.2% C 0.193 H 282.4°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX	#4D39BB
RGB	rgb(77, 57, 187)
HSL	hsl(249, 53%, 48%)
HSV	hsv(249, 70%, 73%)
CMYK	cmyk(58.8%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(34.17, 44.56, -65.56)
CIE-LCH	lch(34.17, 79.27, 304.20°)
OKLab	oklab(45.17% 0.0416 -0.1888)
OKLCH	oklch(45.17% 0.193 282.4)
XYZ	xyz(13.4906, 8.0910, 47.8549)
Luminance	0.0809 (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

#4D39BB #A7BB39

analogous

#3966BB #4D39BB #8E39BB

triadic

#4D39BB #BB4D39 #39BB4D

tetradic

#4D39BB #BB3966 #A7BB39 #39BB8E

square

#4D39BB #BB3966 #A7BB39 #39BB8E

split-complementary

#4D39BB #BB8E39 #66BB39

monochromatic

#261C5D #3A2B8C #4D39BB #7362CF #9D91DD

Accessibility & contrast

On white

8.02

#4D39BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#4D39BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D39BB

8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D39BB	#FFFFFF	#000000	##FFFFFF
##4D39BB	1.00	8.02	2.62	8.02
#FFFFFF	8.02	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055BF

Deuteranopia (green-blind)

#004CB9

Tritanopia (blue-blind)

#045B76

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d39bb;
/* rgb */ color: rgb(77, 57, 187);
/* oklch */ color: oklch(45.2% 0.193 282.4);

Tailwind

colors: {
  custom: {
    50: '#8b71d1',
    500: '#4d39bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d39bb;
$custom-light: #8b71d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d39bb",
  "rgb": {
    "r": 77,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 249.231,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45172,
    "c": 0.19332,
    "h": 282.4
  },
  "luminance": 0.08092
}

Semantic roles & 50–950 ramp

primary

#4D39BB

secondary

#BEC887

accent

#DD4BC6

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4D39BB

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

Preview Lab → · Contrast checker → · Palette generator →