#4A57CD#4A57CD

#4A57CD is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.181 H 273.5°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#4A57CD
RGB	rgb(74, 87, 205)
HSL	hsl(234, 57%, 55%)
HSV	hsv(234, 64%, 80%)
CMYK	cmyk(63.9%, 57.6%, 0%, 19.6%)
CIE-LAB	lab(42.27, 31.89, -62.84)
CIE-LCH	lch(42.27, 70.47, 296.91°)
OKLab	oklab(51.49% 0.0109 -0.1808)
OKLCH	oklch(51.49% 0.181 273.5)
XYZ	xyz(17.2480, 12.6785, 59.2840)
Luminance	0.1268 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57CD #CDC04A

analogous

#4A98CD #4A57CD #7F4ACD

triadic

#4A57CD #CD4A57 #57CD4A

tetradic

#4A57CD #CD4A98 #CDC04A #4ACD7F

square

#4A57CD #CD4A98 #CDC04A #4ACD7F

split-complementary

#4A57CD #CD7F4A #98CD4A

monochromatic

#222B7B #2F3BAB #4A57CD #7A84DA #AAB0E7

Accessibility & contrast

On white

5.94

#4A57CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.54

#4A57CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57CD

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57CD	#FFFFFF	#000000	##FFFFFF
##4A57CD	1.00	5.94	3.54	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.54	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD1

Deuteranopia (green-blind)

#005ECB

Tritanopia (blue-blind)

#007489

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4a57cd;
/* rgb */ color: rgb(74, 87, 205);
/* oklch */ color: oklch(51.5% 0.181 273.5);

Tailwind

colors: {
  custom: {
    50: '#8a86dd',
    500: '#4a57cd',
    950: '#000000',
  },
}

SCSS

$custom: #4a57cd;
$custom-light: #8a86dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57cd",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 205
  },
  "hsl": {
    "h": 234.046,
    "s": 56.71,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51491,
    "c": 0.1811,
    "h": 273.5
  },
  "luminance": 0.1268
}

Semantic roles & 50–950 ramp

primary

#4A57CD

secondary

#D5D09E

accent

#D148E0

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4A57CD

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

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