#4B57BE#4B57BE

#4B57BE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.4% C 0.160 H 274.1°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#4B57BE
RGB	rgb(75, 87, 190)
HSL	hsl(234, 47%, 52%)
HSV	hsv(234, 61%, 75%)
CMYK	cmyk(60.5%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(41.26, 26.95, -55.78)
CIE-LCH	lch(41.26, 61.95, 295.78°)
OKLab	oklab(50.41% 0.0116 -0.16)
OKLCH	oklch(50.41% 0.16 274.1)
XYZ	xyz(15.6011, 12.0287, 50.2049)
Luminance	0.1203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57BE #BEB24B

analogous

#4B91BE #4B57BE #794BBE

triadic

#4B57BE #BE4B57 #57BE4B

tetradic

#4B57BE #BE4B91 #BEB24B #4BBE79

square

#4B57BE #BE4B91 #BEB24B #4BBE79

split-complementary

#4B57BE #BE794B #91BE4B

monochromatic

#262D69 #364096 #4B57BE #7881CE #A5ABDE

Accessibility & contrast

On white

6.17

#4B57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#4B57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57BE

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57BE	#FFFFFF	#000000	##FFFFFF
##4B57BE	1.00	6.17	3.41	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1166C2

Deuteranopia (green-blind)

#005CBC

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4b57be;
/* rgb */ color: rgb(75, 87, 190);
/* oklch */ color: oklch(50.4% 0.160 274.1);

Tailwind

colors: {
  custom: {
    50: '#8886d2',
    500: '#4b57be',
    950: '#000000',
  },
}

SCSS

$custom: #4b57be;
$custom-light: #8886d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57be",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 233.739,
    "s": 46.939,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50411,
    "c": 0.16041,
    "h": 274.1
  },
  "luminance": 0.1203
}

Semantic roles & 50–950 ramp

primary

#4B57BE

secondary

#CCC699

accent

#C951D7

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4B57BE

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

Preview Lab → · Contrast checker → · Palette generator →