#4B57E0#4B57E0

#4B57E0 is a mid, highly saturated blue. Relative luminance 0.137; OKLCH L 53.1% C 0.206 H 273.3°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#4B57E0
RGB	rgb(75, 87, 224)
HSL	hsl(235, 71%, 59%)
HSV	hsv(235, 67%, 88%)
CMYK	cmyk(66.5%, 61.2%, 0%, 12.2%)
CIE-LAB	lab(43.79, 38.49, -71.25)
CIE-LCH	lch(43.79, 80.98, 298.38°)
OKLab	oklab(53.08% 0.0117 -0.2054)
OKLCH	oklch(53.08% 0.206 273.3)
XYZ	xyz(19.7599, 13.6923, 72.1081)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57E0 #E0D44B

analogous

#4BA1E0 #4B57E0 #894BE0

triadic

#4B57E0 #E04B57 #57E04B

tetradic

#4B57E0 #E04BA1 #E0D44B #4BE089

square

#4B57E0 #E04BA1 #E0D44B #4BE089

split-complementary

#4B57E0 #E0894B #A1E04B

monochromatic

#1A2497 #2330CB #4B57E0 #7F88E9 #B3B8F2

Accessibility & contrast

On white

5.62

#4B57E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#4B57E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57E0

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57E0	#FFFFFF	#000000	##FFFFFF
##4B57E0	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE4

Deuteranopia (green-blind)

#0061DD

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b57e0;
/* rgb */ color: rgb(75, 87, 224);
/* oklch */ color: oklch(53.1% 0.206 273.3);

Tailwind

colors: {
  custom: {
    50: '#8e86eb',
    500: '#4b57e0',
    950: '#000000',
  },
}

SCSS

$custom: #4b57e0;
$custom-light: #8e86eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57e0",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 224
  },
  "hsl": {
    "h": 235.168,
    "s": 70.616,
    "l": 58.627
  },
  "oklch": {
    "l": 0.53082,
    "c": 0.20577,
    "h": 273.3
  },
  "luminance": 0.13694
}

Semantic roles & 50–950 ramp

primary

#4B57E0

secondary

#E1DCA6

accent

#DF3AED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4B57E0

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

Preview Lab → · Contrast checker → · Palette generator →