#4840E3#4840E3

#4840E3 is a mid, highly saturated blue. Relative luminance 0.106; OKLCH L 49.6% C 0.235 H 275.7°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#4840E3
RGB	rgb(72, 64, 227)
HSL	hsl(243, 74%, 57%)
HSV	hsv(243, 72%, 89%)
CMYK	cmyk(68.3%, 71.8%, 0%, 11%)
CIE-LAB	lab(38.88, 52.52, -81.01)
CIE-LCH	lch(38.88, 96.55, 302.96°)
OKLab	oklab(49.56% 0.0233 -0.2341)
OKLCH	oklch(49.56% 0.235 275.7)
XYZ	xyz(18.3665, 10.5889, 73.7341)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.00

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4840E3 #DBE340

analogous

#4089E3 #4840E3 #9A40E3

triadic

#4840E3 #E34840 #40E348

tetradic

#4840E3 #E34089 #DBE340 #40E39A

square

#4840E3 #E34089 #DBE340 #40E39A

split-complementary

#4840E3 #E39A40 #89E340

monochromatic

#1C1693 #261DC8 #4840E3 #7B75EB #AEABF3

Accessibility & contrast

On white

6.73

#4840E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4840E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4840E3

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4840E3	#FFFFFF	#000000	##FFFFFF
##4840E3	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E8

Deuteranopia (green-blind)

#0054E0

Tritanopia (blue-blind)

#006E8E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4840e3;
/* rgb */ color: rgb(72, 64, 227);
/* oklch */ color: oklch(49.6% 0.235 275.7);

Tailwind

colors: {
  custom: {
    50: '#8f77ed',
    500: '#4840e3',
    950: '#000000',
  },
}

SCSS

$custom: #4840e3;
$custom-light: #8f77ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4840e3",
  "rgb": {
    "r": 72,
    "g": 64,
    "b": 227
  },
  "hsl": {
    "h": 242.945,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49555,
    "c": 0.23529,
    "h": 275.7
  },
  "luminance": 0.10591
}

Semantic roles & 50–950 ramp

primary

#4840E3

secondary

#DDE19E

accent

#F137E8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4840E3

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

Preview Lab → · Contrast checker → · Palette generator →