#4A57BD#4A57BD

#4A57BD is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.3% C 0.159 H 273.8°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#4A57BD
RGB	rgb(74, 87, 189)
HSL	hsl(233, 47%, 52%)
HSV	hsv(233, 61%, 74%)
CMYK	cmyk(60.8%, 54%, 0%, 25.9%)
CIE-LAB	lab(41.13, 26.42, -55.42)
CIE-LCH	lch(41.13, 61.40, 295.49°)
OKLab	oklab(50.27% 0.0104 -0.1589)
OKLCH	oklch(50.27% 0.159 273.8)
XYZ	xyz(15.4145, 11.9451, 49.6276)
Luminance	0.1195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57BD #BDB04A

analogous

#4A91BD #4A57BD #774ABD

triadic

#4A57BD #BD4A57 #57BD4A

tetradic

#4A57BD #BD4A91 #BDB04A #4ABD77

square

#4A57BD #BD4A91 #BDB04A #4ABD77

split-complementary

#4A57BD #BD774A #91BD4A

monochromatic

#262D67 #364194 #4A57BD #7781CD #A4AADE

Accessibility & contrast

On white

6.20

#4A57BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#4A57BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57BD

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57BD	#FFFFFF	#000000	##FFFFFF
##4A57BD	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1366C1

Deuteranopia (green-blind)

#005CBB

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4a57bd;
/* rgb */ color: rgb(74, 87, 189);
/* oklch */ color: oklch(50.3% 0.159 273.8);

Tailwind

colors: {
  custom: {
    50: '#8786d2',
    500: '#4a57bd',
    950: '#000000',
  },
}

SCSS

$custom: #4a57bd;
$custom-light: #8786d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57bd",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 189
  },
  "hsl": {
    "h": 233.217,
    "s": 46.559,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50272,
    "c": 0.15928,
    "h": 273.8
  },
  "luminance": 0.11946
}

Semantic roles & 50–950 ramp

primary

#4A57BD

secondary

#CBC598

accent

#C752D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4A57BD

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

Preview Lab → · Contrast checker → · Palette generator →