#4A57DA#4A57DA

#4A57DA is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.5% C 0.198 H 273.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4A57DA
RGB	rgb(74, 87, 218)
HSL	hsl(235, 66%, 57%)
HSV	hsv(235, 66%, 85%)
CMYK	cmyk(66.1%, 60.1%, 0%, 14.5%)
CIE-LAB	lab(43.26, 36.32, -68.69)
CIE-LCH	lch(43.26, 77.70, 297.87°)
OKLab	oklab(52.53% 0.0108 -0.198)
OKLCH	oklch(52.53% 0.198 273.1)
XYZ	xyz(18.8829, 13.3325, 67.8944)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57DA #DACD4A

analogous

#4A9FDA #4A57DA #854ADA

triadic

#4A57DA #DA4A57 #57DA4A

tetradic

#4A57DA #DA4A9F #DACD4A #4ADA85

square

#4A57DA #DA4A9F #DACD4A #4ADA85

split-complementary

#4A57DA #DA854A #9FDA4A

monochromatic

#1D278D #2735C0 #4A57DA #7D86E4 #B0B5EF

Accessibility & contrast

On white

5.73

#4A57DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#4A57DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57DA

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57DA	#FFFFFF	#000000	##FFFFFF
##4A57DA	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDE

Deuteranopia (green-blind)

#0060D7

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4a57da;
/* rgb */ color: rgb(74, 87, 218);
/* oklch */ color: oklch(52.5% 0.198 273.1);

Tailwind

colors: {
  custom: {
    50: '#8d86e6',
    500: '#4a57da',
    950: '#000000',
  },
}

SCSS

$custom: #4a57da;
$custom-light: #8d86e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57da",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 218
  },
  "hsl": {
    "h": 234.583,
    "s": 66.055,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5253,
    "c": 0.19827,
    "h": 273.1
  },
  "luminance": 0.13334
}

Semantic roles & 50–950 ramp

primary

#4A57DA

secondary

#DDD8A3

accent

#DA3FE9

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4A57DA

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

Preview Lab → · Contrast checker → · Palette generator →