#4E57E9#4E57E9

#4E57E9 is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.0% C 0.216 H 273.9°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4E57E9
RGB	rgb(78, 87, 233)
HSL	hsl(237, 78%, 61%)
HSV	hsv(237, 67%, 91%)
CMYK	cmyk(66.5%, 62.7%, 0%, 8.6%)
CIE-LAB	lab(44.68, 41.91, -74.87)
CIE-LCH	lch(44.68, 85.80, 299.24°)
OKLab	oklab(54.01% 0.0145 -0.216)
OKLCH	oklch(54.01% 0.217 273.9)
XYZ	xyz(21.2532, 14.3173, 78.7185)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E57E9 #E9E04E

analogous

#4EA4E9 #4E57E9 #924EE9

triadic

#4E57E9 #E94E57 #57E94E

tetradic

#4E57E9 #E94EA4 #E9E04E #4EE992

square

#4E57E9 #E94EA4 #E9E04E #4EE992

split-complementary

#4E57E9 #E9924E #A4E94E

monochromatic

#151DA8 #1C27DE #4E57E9 #848BF0 #BBBEF7

Accessibility & contrast

On white

5.44

#4E57E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4E57E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E57E9

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E57E9	#FFFFFF	#000000	##FFFFFF
##4E57E9	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EE

Deuteranopia (green-blind)

#0063E6

Tritanopia (blue-blind)

#007C98

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4e57e9;
/* rgb */ color: rgb(78, 87, 233);
/* oklch */ color: oklch(54.0% 0.216 273.9);

Tailwind

colors: {
  custom: {
    50: '#9186f1',
    500: '#4e57e9',
    950: '#000000',
  },
}

SCSS

$custom: #4e57e9;
$custom-light: #9186f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e57e9",
  "rgb": {
    "r": 78,
    "g": 87,
    "b": 233
  },
  "hsl": {
    "h": 236.516,
    "s": 77.889,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54011,
    "c": 0.2165,
    "h": 273.9
  },
  "luminance": 0.14319
}

Semantic roles & 50–950 ramp

primary

#4E57E9

secondary

#E7E3AC

accent

#CE0BDA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B17

muted

#7E7C85

Preview Lab

Preview with #4E57E9

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

Preview Lab → · Contrast checker → · Palette generator →