#4E40E9#4E40E9

#4E40E9 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 50.5% C 0.241 H 277.1°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4E40E9
RGB	rgb(78, 64, 233)
HSL	hsl(245, 79%, 58%)
HSV	hsv(245, 73%, 91%)
CMYK	cmyk(66.5%, 72.5%, 0%, 8.6%)
CIE-LAB	lab(39.86, 55.01, -82.79)
CIE-LCH	lch(39.86, 99.40, 303.60°)
OKLab	oklab(50.53% 0.0296 -0.2392)
OKLCH	oklch(50.53% 0.241 277.1)
XYZ	xyz(19.6785, 11.1680, 78.1936)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E40E9 #DBE940

analogous

#4087E9 #4E40E9 #A240E9

triadic

#4E40E9 #E94E40 #40E94E

tetradic

#4E40E9 #E94087 #DBE940 #40E9A2

square

#4E40E9 #E94087 #DBE940 #40E9A2

split-complementary

#4E40E9 #E9A240 #87E940

monochromatic

#1E129D #2818D3 #4E40E9 #8177EF #B4AEF6

Accessibility & contrast

On white

6.49

#4E40E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4E40E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E40E9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E40E9	#FFFFFF	#000000	##FFFFFF
##4E40E9	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065EE

Deuteranopia (green-blind)

#0057E6

Tritanopia (blue-blind)

#007091

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4e40e9;
/* rgb */ color: rgb(78, 64, 233);
/* oklch */ color: oklch(50.5% 0.241 277.1);

Tailwind

colors: {
  custom: {
    50: '#9377f1',
    500: '#4e40e9',
    950: '#000000',
  },
}

SCSS

$custom: #4e40e9;
$custom-light: #9377f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e40e9",
  "rgb": {
    "r": 78,
    "g": 64,
    "b": 233
  },
  "hsl": {
    "h": 244.97,
    "s": 79.343,
    "l": 58.235
  },
  "oklch": {
    "l": 0.50531,
    "c": 0.24101,
    "h": 277.1
  },
  "luminance": 0.1117
}

Semantic roles & 50–950 ramp

primary

#4E40E9

secondary

#DEE4A1

accent

#F632E6

background

#FAF7FE

surface

#F3EDFD

border

#CDC8D5

text

#0F0917

muted

#7F7B85

Preview Lab

Preview with #4E40E9

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

Preview Lab → · Contrast checker → · Palette generator →