#4B57D0#4B57D0

#4B57D0 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.8% C 0.185 H 273.7°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#4B57D0
RGB	rgb(75, 87, 208)
HSL	hsl(235, 59%, 55%)
HSV	hsv(235, 64%, 82%)
CMYK	cmyk(63.9%, 58.2%, 0%, 18.4%)
CIE-LAB	lab(42.56, 33.07, -64.10)
CIE-LCH	lch(42.56, 72.13, 297.29°)
OKLab	oklab(51.79% 0.012 -0.1845)
OKLCH	oklch(51.79% 0.185 273.7)
XYZ	xyz(17.6912, 12.8648, 61.2131)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57D0 #D0C44B

analogous

#4B9AD0 #4B57D0 #814BD0

triadic

#4B57D0 #D04B57 #57D04B

tetradic

#4B57D0 #D04B9A #D0C44B #4BD081

square

#4B57D0 #D04B9A #D0C44B #4BD081

split-complementary

#4B57D0 #D0814B #9AD04B

monochromatic

#212A7F #2E3AB0 #4B57D0 #7C84DD #ACB2E9

Accessibility & contrast

On white

5.88

#4B57D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4B57D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57D0

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57D0	#FFFFFF	#000000	##FFFFFF
##4B57D0	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#00758B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4b57d0;
/* rgb */ color: rgb(75, 87, 208);
/* oklch */ color: oklch(51.8% 0.185 273.7);

Tailwind

colors: {
  custom: {
    50: '#8b86df',
    500: '#4b57d0',
    950: '#000000',
  },
}

SCSS

$custom: #4b57d0;
$custom-light: #8b86df;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57d0",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 208
  },
  "hsl": {
    "h": 234.586,
    "s": 58.59,
    "l": 55.49
  },
  "oklch": {
    "l": 0.51788,
    "c": 0.18485,
    "h": 273.7
  },
  "luminance": 0.12866
}

Semantic roles & 50–950 ramp

primary

#4B57D0

secondary

#D7D2A0

accent

#D446E2

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B57D0

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

Preview Lab → · Contrast checker → · Palette generator →