#4A57CA#4A57CA

#4A57CA is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.177 H 273.5°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#4A57CA
RGB	rgb(74, 87, 202)
HSL	hsl(234, 55%, 54%)
HSV	hsv(234, 63%, 79%)
CMYK	cmyk(63.4%, 56.9%, 0%, 20.8%)
CIE-LAB	lab(42.05, 30.87, -61.47)
CIE-LCH	lch(42.05, 68.78, 296.66°)
OKLab	oklab(51.26% 0.0109 -0.1767)
OKLCH	oklch(51.26% 0.177 273.5)
XYZ	xyz(16.8894, 12.5351, 57.3951)
Luminance	0.1254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57CA #CABD4A

analogous

#4A97CA #4A57CA #7D4ACA

triadic

#4A57CA #CA4A57 #57CA4A

tetradic

#4A57CA #CA4A97 #CABD4A #4ACA7D

square

#4A57CA #CA4A97 #CABD4A #4ACA7D

split-complementary

#4A57CA #CA7D4A #97CA4A

monochromatic

#232B77 #313DA6 #4A57CA #7983D8 #A9AFE6

Accessibility & contrast

On white

5.99

#4A57CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#4A57CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57CA

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57CA	#FFFFFF	#000000	##FFFFFF
##4A57CA	1.00	5.99	3.51	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CE

Deuteranopia (green-blind)

#005EC8

Tritanopia (blue-blind)

#007388

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4a57ca;
/* rgb */ color: rgb(74, 87, 202);
/* oklch */ color: oklch(51.3% 0.177 273.5);

Tailwind

colors: {
  custom: {
    50: '#8a86db',
    500: '#4a57ca',
    950: '#000000',
  },
}

SCSS

$custom: #4a57ca;
$custom-light: #8a86db;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57ca",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 202
  },
  "hsl": {
    "h": 233.906,
    "s": 54.701,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51257,
    "c": 0.17707,
    "h": 273.5
  },
  "luminance": 0.12537
}

Semantic roles & 50–950 ramp

primary

#4A57CA

secondary

#D3CE9D

accent

#CF4ADE

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4A57CA

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

Preview Lab → · Contrast checker → · Palette generator →