#4D39B8#4D39B8

#4D39B8 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.9% C 0.190 H 282.8°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#4D39B8
RGB	rgb(77, 57, 184)
HSL	hsl(249, 53%, 47%)
HSV	hsv(249, 69%, 72%)
CMYK	cmyk(58.2%, 69%, 0%, 27.8%)
CIE-LAB	lab(33.91, 43.63, -64.22)
CIE-LCH	lch(33.91, 77.64, 304.19°)
OKLab	oklab(44.9% 0.0421 -0.1849)
OKLCH	oklch(44.9% 0.19 282.8)
XYZ	xyz(13.1727, 7.9639, 46.1812)
Luminance	0.0796 (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

#4D39B8 #A4B839

analogous

#3964B8 #4D39B8 #8D39B8

triadic

#4D39B8 #B84D39 #39B84D

tetradic

#4D39B8 #B83964 #A4B839 #39B88D

square

#4D39B8 #B83964 #A4B839 #39B88D

split-complementary

#4D39B8 #B88D39 #64B839

monochromatic

#261C5B #392B89 #4D39B8 #7260CE #9B8FDC

Accessibility & contrast

On white

8.10

#4D39B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#4D39B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D39B8

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D39B8	#FFFFFF	#000000	##FFFFFF
##4D39B8	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BC

Deuteranopia (green-blind)

#004BB6

Tritanopia (blue-blind)

#0E5A74

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d39b8;
/* rgb */ color: rgb(77, 57, 184);
/* oklch */ color: oklch(44.9% 0.190 282.8);

Tailwind

colors: {
  custom: {
    50: '#8a71ce',
    500: '#4d39b8',
    950: '#000000',
  },
}

SCSS

$custom: #4d39b8;
$custom-light: #8a71ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4d39b8",
  "rgb": {
    "r": 77,
    "g": 57,
    "b": 184
  },
  "hsl": {
    "h": 249.449,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.44901,
    "c": 0.18961,
    "h": 282.8
  },
  "luminance": 0.07965
}

Semantic roles & 50–950 ramp

primary

#4D39B8

secondary

#BDC786

accent

#DC4CC5

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4D39B8

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

Preview Lab → · Contrast checker → · Palette generator →