#4B57D5#4B57D5

#4B57D5 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.2% C 0.191 H 273.6°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4B57D5
RGB	rgb(75, 87, 213)
HSL	hsl(235, 62%, 56%)
HSV	hsv(235, 65%, 84%)
CMYK	cmyk(64.8%, 59.2%, 0%, 16.5%)
CIE-LAB	lab(42.94, 34.77, -66.36)
CIE-LCH	lch(42.94, 74.92, 297.65°)
OKLab	oklab(52.19% 0.012 -0.1911)
OKLCH	oklch(52.19% 0.191 273.6)
XYZ	xyz(18.3161, 13.1147, 64.5041)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57D5 #D5C94B

analogous

#4B9CD5 #4B57D5 #844BD5

triadic

#4B57D5 #D54B57 #57D54B

tetradic

#4B57D5 #D54B9C #D5C94B #4BD584

square

#4B57D5 #D54B9C #D5C94B #4BD584

split-complementary

#4B57D5 #D5844B #9CD54B

monochromatic

#1F2886 #2B37B8 #4B57D5 #7D85E1 #AEB4EC

Accessibility & contrast

On white

5.80

#4B57D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4B57D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57D5

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57D5	#FFFFFF	#000000	##FFFFFF
##4B57D5	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD9

Deuteranopia (green-blind)

#005FD3

Tritanopia (blue-blind)

#00768E

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4b57d5;
/* rgb */ color: rgb(75, 87, 213);
/* oklch */ color: oklch(52.2% 0.191 273.6);

Tailwind

colors: {
  custom: {
    50: '#8c86e3',
    500: '#4b57d5',
    950: '#000000',
  },
}

SCSS

$custom: #4b57d5;
$custom-light: #8c86e3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57d5",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 213
  },
  "hsl": {
    "h": 234.783,
    "s": 62.162,
    "l": 56.471
  },
  "oklch": {
    "l": 0.52186,
    "c": 0.19147,
    "h": 273.6
  },
  "luminance": 0.13116
}

Semantic roles & 50–950 ramp

primary

#4B57D5

secondary

#DAD5A2

accent

#D743E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4B57D5

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

Preview Lab → · Contrast checker → · Palette generator →