#4A57BE#4A57BE

#4A57BE is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.3% C 0.161 H 273.7°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4A57BE
RGB	rgb(74, 87, 190)
HSL	hsl(233, 47%, 52%)
HSV	hsv(233, 61%, 75%)
CMYK	cmyk(61.1%, 54.2%, 0%, 25.5%)
CIE-LAB	lab(41.20, 26.76, -55.89)
CIE-LCH	lch(41.20, 61.97, 295.59°)
OKLab	oklab(50.35% 0.0105 -0.1603)
OKLCH	oklch(50.35% 0.161 273.7)
XYZ	xyz(15.5234, 11.9887, 50.2012)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A57BE #BEB14A

analogous

#4A91BE #4A57BE #774ABE

triadic

#4A57BE #BE4A57 #57BE4A

tetradic

#4A57BE #BE4A91 #BEB14A #4ABE77

square

#4A57BE #BE4A91 #BEB14A #4ABE77

split-complementary

#4A57BE #BE774A #91BE4A

monochromatic

#252D68 #364095 #4A57BE #7781CE #A4ABDE

Accessibility & contrast

On white

6.18

#4A57BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4A57BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A57BE

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A57BE	#FFFFFF	#000000	##FFFFFF
##4A57BE	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1066C2

Deuteranopia (green-blind)

#005CBC

Tritanopia (blue-blind)

#006F82

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4a57be;
/* rgb */ color: rgb(74, 87, 190);
/* oklch */ color: oklch(50.3% 0.161 273.7);

Tailwind

colors: {
  custom: {
    50: '#8886d2',
    500: '#4a57be',
    950: '#000000',
  },
}

SCSS

$custom: #4a57be;
$custom-light: #8886d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4a57be",
  "rgb": {
    "r": 74,
    "g": 87,
    "b": 190
  },
  "hsl": {
    "h": 233.276,
    "s": 47.154,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50346,
    "c": 0.16067,
    "h": 273.7
  },
  "luminance": 0.1199
}

Semantic roles & 50–950 ramp

primary

#4A57BE

secondary

#CBC698

accent

#C851D7

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4A57BE

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

Preview Lab → · Contrast checker → · Palette generator →