#4839B7#4839B7

#4839B7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.4% C 0.189 H 280.8°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4839B7
RGB	rgb(72, 57, 183)
HSL	hsl(247, 53%, 47%)
HSV	hsv(247, 69%, 72%)
CMYK	cmyk(60.7%, 68.9%, 0%, 28.2%)
CIE-LAB	lab(33.40, 42.57, -64.48)
CIE-LCH	lch(33.40, 77.26, 303.43°)
OKLab	oklab(44.4% 0.0354 -0.1858)
OKLCH	oklch(44.4% 0.189 280.8)
XYZ	xyz(12.6802, 7.7220, 45.6129)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.50

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4839B7 #A8B739

analogous

#3969B7 #4839B7 #8739B7

triadic

#4839B7 #B74839 #39B748

tetradic

#4839B7 #B73969 #A8B739 #39B787

square

#4839B7 #B73969 #A8B739 #39B787

split-complementary

#4839B7 #B78739 #69B739

monochromatic

#231C5A #362A88 #4839B7 #6D60CD #988EDC

Accessibility & contrast

On white

8.25

#4839B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#4839B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4839B7

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4839B7	#FFFFFF	#000000	##FFFFFF
##4839B7	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BB

Deuteranopia (green-blind)

#004AB5

Tritanopia (blue-blind)

#005A73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4839b7;
/* rgb */ color: rgb(72, 57, 183);
/* oklch */ color: oklch(44.4% 0.189 280.8);

Tailwind

colors: {
  custom: {
    50: '#8771ce',
    500: '#4839b7',
    950: '#000000',
  },
}

SCSS

$custom: #4839b7;
$custom-light: #8771ce;
$custom-dark: #000000;

JSON

{
  "hex": "#4839b7",
  "rgb": {
    "r": 72,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 247.143,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44403,
    "c": 0.18915,
    "h": 280.8
  },
  "luminance": 0.07723
}

Semantic roles & 50–950 ramp

primary

#4839B7

secondary

#BFC785

accent

#DC4CCB

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0D0814

muted

#7D7B82

Preview Lab

Preview with #4839B7

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

Preview Lab → · Contrast checker → · Palette generator →