#4840D9#4840D9

#4840D9 is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.6% C 0.223 H 276.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4840D9
RGB	rgb(72, 64, 217)
HSL	hsl(243, 67%, 55%)
HSV	hsv(243, 71%, 85%)
CMYK	cmyk(66.8%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(37.94, 49.37, -76.84)
CIE-LCH	lch(37.94, 91.34, 302.72°)
OKLab	oklab(48.6% 0.025 -0.222)
OKLCH	oklch(48.6% 0.223 276.4)
XYZ	xyz(17.0262, 10.0528, 66.6753)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.90

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4840D9 #D1D940

analogous

#4085D9 #4840D9 #9440D9

triadic

#4840D9 #D94840 #40D948

tetradic

#4840D9 #D94085 #D1D940 #40D994

square

#4840D9 #D94085 #D1D940 #40D994

split-complementary

#4840D9 #D99440 #85D940

monochromatic

#201A84 #2C24B7 #4840D9 #7973E3 #AAA6ED

Accessibility & contrast

On white

6.97

#4840D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4840D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4840D9

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4840D9	#FFFFFF	#000000	##FFFFFF
##4840D9	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0053D6

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4840d9;
/* rgb */ color: rgb(72, 64, 217);
/* oklch */ color: oklch(48.6% 0.223 276.4);

Tailwind

colors: {
  custom: {
    50: '#8d76e6',
    500: '#4840d9',
    950: '#000000',
  },
}

SCSS

$custom: #4840d9;
$custom-light: #8d76e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4840d9",
  "rgb": {
    "r": 72,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 243.137,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48599,
    "c": 0.22337,
    "h": 276.4
  },
  "luminance": 0.10054
}

Semantic roles & 50–950 ramp

primary

#4840D9

secondary

#D7DA9A

accent

#EA3EE1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4840D9

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

Preview Lab → · Contrast checker → · Palette generator →