#4D39B7#4D39B7

#4D39B7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.188 H 283.0°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#4D39B7
RGB	rgb(77, 57, 183)
HSL	hsl(250, 53%, 47%)
HSV	hsv(250, 69%, 72%)
CMYK	cmyk(57.9%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(33.82, 43.32, -63.77)
CIE-LCH	lch(33.82, 77.10, 304.19°)
OKLab	oklab(44.81% 0.0422 -0.1836)
OKLCH	oklch(44.81% 0.188 283)
XYZ	xyz(13.0683, 7.9221, 45.6311)
Luminance	0.0792 (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

#4D39B7 #A3B739

analogous

#3964B7 #4D39B7 #8C39B7

triadic

#4D39B7 #B74D39 #39B74D

tetradic

#4D39B7 #B73964 #A3B739 #39B78C

square

#4D39B7 #B73964 #A3B739 #39B78C

split-complementary

#4D39B7 #B78C39 #64B739

monochromatic

#261C5A #392A88 #4D39B7 #7160CD #9B8EDC

Accessibility & contrast

On white

8.13

#4D39B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4D39B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4D39B7

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D39B7	#FFFFFF	#000000	##FFFFFF
##4D39B7	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BB

Deuteranopia (green-blind)

#004BB5

Tritanopia (blue-blind)

#105A73

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4d39b7;
/* rgb */ color: rgb(77, 57, 183);
/* oklch */ color: oklch(44.8% 0.188 283.0);

Tailwind

colors: {
  custom: {
    50: '#8a71ce',
    500: '#4d39b7',
    950: '#000000',
  },
}

SCSS

$custom: #4d39b7;
$custom-light: #8a71ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4d39b7",
  "rgb": {
    "r": 77,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 249.524,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44812,
    "c": 0.18837,
    "h": 283
  },
  "luminance": 0.07923
}

Semantic roles & 50–950 ramp

primary

#4D39B7

secondary

#BCC785

accent

#DC4CC5

background

#F9F6FC

surface

#F1ECF9

border

#CBC7D2

text

#0D0814

muted

#7E7B82

Preview Lab

Preview with #4D39B7

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

Preview Lab → · Contrast checker → · Palette generator →