#4D39B9#4D39B9

#4D39B9 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 45.0% C 0.191 H 282.7°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#4D39B9
RGB	rgb(77, 57, 185)
HSL	hsl(249, 53%, 47%)
HSV	hsv(249, 69%, 73%)
CMYK	cmyk(58.4%, 69.2%, 0%, 27.5%)
CIE-LAB	lab(34.00, 43.94, -64.67)
CIE-LCH	lch(34.00, 78.18, 304.20°)
OKLab	oklab(44.99% 0.0419 -0.1862)
OKLCH	oklch(44.99% 0.191 282.7)
XYZ	xyz(13.2779, 8.0060, 46.7352)
Luminance	0.0801 (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

#4D39B9 #A5B939

analogous

#3965B9 #4D39B9 #8D39B9

triadic

#4D39B9 #B94D39 #39B94D

tetradic

#4D39B9 #B93965 #A5B939 #39B98D

square

#4D39B9 #B93965 #A5B939 #39B98D

split-complementary

#4D39B9 #B98D39 #65B939

monochromatic

#261C5B #3A2B8A #4D39B9 #7261CE #9C90DD

Accessibility & contrast

On white

8.07

#4D39B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#4D39B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D39B9

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D39B9	#FFFFFF	#000000	##FFFFFF
##4D39B9	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#0B5B74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d39b9;
/* rgb */ color: rgb(77, 57, 185);
/* oklch */ color: oklch(45.0% 0.191 282.7);

Tailwind

colors: {
  custom: {
    50: '#8a71cf',
    500: '#4d39b9',
    950: '#000000',
  },
}

SCSS

$custom: #4d39b9;
$custom-light: #8a71cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4d39b9",
  "rgb": {
    "r": 77,
    "g": 57,
    "b": 185
  },
  "hsl": {
    "h": 249.375,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44991,
    "c": 0.19085,
    "h": 282.7
  },
  "luminance": 0.08007
}

Semantic roles & 50–950 ramp

primary

#4D39B9

secondary

#BDC886

accent

#DC4BC6

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4D39B9

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

Preview Lab → · Contrast checker → · Palette generator →