#4B57D7#4B57D7

#4B57D7 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.194 H 273.5°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#4B57D7
RGB	rgb(75, 87, 215)
HSL	hsl(235, 64%, 57%)
HSV	hsv(235, 65%, 84%)
CMYK	cmyk(65.1%, 59.5%, 0%, 15.7%)
CIE-LAB	lab(43.09, 35.45, -67.26)
CIE-LCH	lch(43.09, 76.03, 297.79°)
OKLab	oklab(52.35% 0.012 -0.1937)
OKLCH	oklch(52.35% 0.194 273.5)
XYZ	xyz(18.5715, 13.2169, 65.8492)
Luminance	0.1322 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57D7 #D7CB4B

analogous

#4B9DD7 #4B57D7 #854BD7

triadic

#4B57D7 #D74B57 #57D74B

tetradic

#4B57D7 #D74B9D #D7CB4B #4BD785

square

#4B57D7 #D74B9D #D7CB4B #4BD785

split-complementary

#4B57D7 #D7854B #9DD74B

monochromatic

#1E2889 #2A36BB #4B57D7 #7D86E2 #AFB4ED

Accessibility & contrast

On white

5.76

#4B57D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4B57D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57D7

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57D7	#FFFFFF	#000000	##FFFFFF
##4B57D7	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDB

Deuteranopia (green-blind)

#0060D4

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4b57d7;
/* rgb */ color: rgb(75, 87, 215);
/* oklch */ color: oklch(52.3% 0.194 273.5);

Tailwind

colors: {
  custom: {
    50: '#8d86e4',
    500: '#4b57d7',
    950: '#000000',
  },
}

SCSS

$custom: #4b57d7;
$custom-light: #8d86e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57d7",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 215
  },
  "hsl": {
    "h": 234.857,
    "s": 63.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.52347,
    "c": 0.1941,
    "h": 273.5
  },
  "luminance": 0.13219
}

Semantic roles & 50–950 ramp

primary

#4B57D7

secondary

#DBD7A2

accent

#D841E7

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4B57D7

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

Preview Lab → · Contrast checker → · Palette generator →