#4B57E4#4B57E4

#4B57E4 is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.4% C 0.211 H 273.1°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#4B57E4
RGB	rgb(75, 87, 228)
HSL	hsl(235, 74%, 59%)
HSV	hsv(235, 67%, 89%)
CMYK	cmyk(67.1%, 61.8%, 0%, 10.6%)
CIE-LAB	lab(44.11, 39.84, -73.00)
CIE-LCH	lch(44.11, 83.16, 298.62°)
OKLab	oklab(53.42% 0.0116 -0.2106)
OKLCH	oklch(53.42% 0.211 273.1)
XYZ	xyz(20.3088, 13.9118, 74.9987)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57E4 #E4D84B

analogous

#4BA4E4 #4B57E4 #8C4BE4

triadic

#4B57E4 #E44B57 #57E44B

tetradic

#4B57E4 #E44BA4 #E4D84B #4BE48C

square

#4B57E4 #E44BA4 #E4D84B #4BE48C

split-complementary

#4B57E4 #E48C4B #A4E44B

monochromatic

#18229D #202ED2 #4B57E4 #8089EC #B5BAF4

Accessibility & contrast

On white

5.55

#4B57E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#4B57E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57E4

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57E4	#FFFFFF	#000000	##FFFFFF
##4B57E4	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE9

Deuteranopia (green-blind)

#0061E1

Tritanopia (blue-blind)

#007B95

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4b57e4;
/* rgb */ color: rgb(75, 87, 228);
/* oklch */ color: oklch(53.4% 0.211 273.1);

Tailwind

colors: {
  custom: {
    50: '#8f86ee',
    500: '#4b57e4',
    950: '#000000',
  },
}

SCSS

$custom: #4b57e4;
$custom-light: #8f86ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57e4",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 228
  },
  "hsl": {
    "h": 235.294,
    "s": 73.913,
    "l": 59.412
  },
  "oklch": {
    "l": 0.53415,
    "c": 0.2109,
    "h": 273.1
  },
  "luminance": 0.13914
}

Semantic roles & 50–950 ramp

primary

#4B57E4

secondary

#E3DFA8

accent

#E237F1

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B57E4

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

Preview Lab → · Contrast checker → · Palette generator →