#4D39B5#4D39B5

#4D39B5 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.6% C 0.186 H 283.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#4D39B5
RGB	rgb(77, 57, 181)
HSL	hsl(250, 52%, 47%)
HSV	hsv(250, 69%, 71%)
CMYK	cmyk(57.5%, 68.5%, 0%, 29%)
CIE-LAB	lab(33.65, 42.71, -62.87)
CIE-LCH	lch(33.65, 76.00, 304.19°)
OKLab	oklab(44.63% 0.0426 -0.1809)
OKLCH	oklch(44.63% 0.186 283.2)
XYZ	xyz(12.8616, 7.8394, 44.5425)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.39

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D39B5 #A1B539

analogous

#3963B5 #4D39B5 #8B39B5

triadic

#4D39B5 #B54D39 #39B54D

tetradic

#4D39B5 #B53963 #A1B539 #39B58B

square

#4D39B5 #B53963 #A1B539 #39B58B

split-complementary

#4D39B5 #B58B39 #63B539

monochromatic

#251C58 #392A86 #4D39B5 #705FCD #9A8DDB

Accessibility & contrast

On white

8.18

#4D39B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#4D39B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D39B5

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D39B5	#FFFFFF	#000000	##FFFFFF
##4D39B5	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B9

Deuteranopia (green-blind)

#004BB3

Tritanopia (blue-blind)

#155972

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4d39b5;
/* rgb */ color: rgb(77, 57, 181);
/* oklch */ color: oklch(44.6% 0.186 283.2);

Tailwind

colors: {
  custom: {
    50: '#8a71cc',
    500: '#4d39b5',
    950: '#000000',
  },
}

SCSS

$custom: #4d39b5;
$custom-light: #8a71cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d39b5",
  "rgb": {
    "r": 77,
    "g": 57,
    "b": 181
  },
  "hsl": {
    "h": 249.677,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.44633,
    "c": 0.18587,
    "h": 283.2
  },
  "luminance": 0.0784
}

Semantic roles & 50–950 ramp

primary

#4D39B5

secondary

#BBC684

accent

#DC4CC4

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0813

muted

#7E7B82

Preview Lab

Preview with #4D39B5

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

Preview Lab → · Contrast checker → · Palette generator →