#4E40E3#4E40E3

#4E40E3 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 50.0% C 0.234 H 277.6°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4E40E3
RGB	rgb(78, 64, 227)
HSL	hsl(245, 74%, 57%)
HSV	hsv(245, 72%, 89%)
CMYK	cmyk(65.6%, 71.8%, 0%, 11%)
CIE-LAB	lab(39.29, 53.17, -80.31)
CIE-LCH	lch(39.29, 96.32, 303.51°)
OKLab	oklab(49.96% 0.0308 -0.2319)
OKLCH	oklch(49.96% 0.234 277.6)
XYZ	xyz(18.8359, 10.8309, 73.7561)
Luminance	0.1083 (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

#4E40E3 #D5E340

analogous

#4084E3 #4E40E3 #9F40E3

triadic

#4E40E3 #E34E40 #40E34E

tetradic

#4E40E3 #E34084 #D5E340 #40E39F

square

#4E40E3 #E34084 #D5E340 #40E39F

split-complementary

#4E40E3 #E39F40 #84E340

monochromatic

#201693 #2C1DC8 #4E40E3 #7F75EB #B1ABF3

Accessibility & contrast

On white

6.63

#4E40E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4E40E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E40E3

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40E3	#FFFFFF	#000000	##FFFFFF
##4E40E3	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E8

Deuteranopia (green-blind)

#0056E0

Tritanopia (blue-blind)

#006E8E

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4e40e3;
/* rgb */ color: rgb(78, 64, 227);
/* oklch */ color: oklch(50.0% 0.234 277.6);

Tailwind

colors: {
  custom: {
    50: '#9277ed',
    500: '#4e40e3',
    950: '#000000',
  },
}

SCSS

$custom: #4e40e3;
$custom-light: #9277ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40e3",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 227
  },
  "hsl": {
    "h": 245.153,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.49957,
    "c": 0.23398,
    "h": 277.6
  },
  "luminance": 0.10833
}

Semantic roles & 50–950 ramp

primary

#4E40E3

secondary

#DBE19E

accent

#F137E1

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0916

muted

#7E7B84

Preview Lab

Preview with #4E40E3

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

Preview Lab → · Contrast checker → · Palette generator →