#4839BB#4839BB

#4839BB is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.8% C 0.194 H 280.3°. Best body text is #FFFFFF at 8.14:1 contrast (WCAG AA passes).

Color values

HEX	#4839BB
RGB	rgb(72, 57, 187)
HSL	hsl(247, 53%, 48%)
HSV	hsv(247, 70%, 73%)
CMYK	cmyk(61.5%, 69.5%, 0%, 26.7%)
CIE-LAB	lab(33.75, 43.83, -66.26)
CIE-LCH	lch(33.75, 79.44, 303.48°)
OKLab	oklab(44.77% 0.0348 -0.191)
OKLCH	oklch(44.77% 0.194 280.3)
XYZ	xyz(13.1024, 7.8909, 47.8367)
Luminance	0.0789 (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

#4839BB #ACBB39

analogous

#396BBB #4839BB #8939BB

triadic

#4839BB #BB4839 #39BB48

tetradic

#4839BB #BB396B #ACBB39 #39BB89

square

#4839BB #BB396B #ACBB39 #39BB89

split-complementary

#4839BB #BB8939 #6BBB39

monochromatic

#241C5D #362B8C #4839BB #6F62CF #9A91DD

Accessibility & contrast

On white

8.14

#4839BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#4839BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4839BB

8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4839BB	#FFFFFF	#000000	##FFFFFF
##4839BB	1.00	8.14	2.58	8.14
#FFFFFF	8.14	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054BF

Deuteranopia (green-blind)

#004AB9

Tritanopia (blue-blind)

#005C76

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4839bb;
/* rgb */ color: rgb(72, 57, 187);
/* oklch */ color: oklch(44.8% 0.194 280.3);

Tailwind

colors: {
  custom: {
    50: '#8871d1',
    500: '#4839bb',
    950: '#000000',
  },
}

SCSS

$custom: #4839bb;
$custom-light: #8871d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4839bb",
  "rgb": {
    "r": 72,
    "g": 57,
    "b": 187
  },
  "hsl": {
    "h": 246.923,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.44769,
    "c": 0.19414,
    "h": 280.3
  },
  "luminance": 0.07892
}

Semantic roles & 50–950 ramp

primary

#4839BB

secondary

#C1C887

accent

#DD4BCC

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0814

muted

#7E7B83

Preview Lab

Preview with #4839BB

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

Preview Lab → · Contrast checker → · Palette generator →