#4B57C8#4B57C8

#4B57C8 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.2% C 0.174 H 273.9°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4B57C8
RGB	rgb(75, 87, 200)
HSL	hsl(234, 53%, 54%)
HSV	hsv(234, 63%, 78%)
CMYK	cmyk(62.5%, 56.5%, 0%, 21.6%)
CIE-LAB	lab(41.97, 30.35, -60.44)
CIE-LCH	lch(41.97, 67.64, 296.66°)
OKLab	oklab(51.17% 0.0119 -0.1737)
OKLCH	oklch(51.17% 0.174 273.9)
XYZ	xyz(16.7317, 12.4810, 56.1597)
Luminance	0.1248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B57C8 #C8BC4B

analogous

#4B96C8 #4B57C8 #7E4BC8

triadic

#4B57C8 #C84B57 #57C84B

tetradic

#4B57C8 #C84B96 #C8BC4B #4BC87E

square

#4B57C8 #C84B96 #C8BC4B #4BC87E

split-complementary

#4B57C8 #C87E4B #96C84B

monochromatic

#242C75 #323DA4 #4B57C8 #7A83D6 #A9AFE5

Accessibility & contrast

On white

6.01

#4B57C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#4B57C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B57C8

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B57C8	#FFFFFF	#000000	##FFFFFF
##4B57C8	1.00	6.01	3.50	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005EC6

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4b57c8;
/* rgb */ color: rgb(75, 87, 200);
/* oklch */ color: oklch(51.2% 0.174 273.9);

Tailwind

colors: {
  custom: {
    50: '#8a86d9',
    500: '#4b57c8',
    950: '#000000',
  },
}

SCSS

$custom: #4b57c8;
$custom-light: #8a86d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4b57c8",
  "rgb": {
    "r": 75,
    "g": 87,
    "b": 200
  },
  "hsl": {
    "h": 234.24,
    "s": 53.191,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51165,
    "c": 0.17411,
    "h": 273.9
  },
  "luminance": 0.12482
}

Semantic roles & 50–950 ramp

primary

#4B57C8

secondary

#D2CD9D

accent

#CF4BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B57C8

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

Preview Lab → · Contrast checker → · Palette generator →