#4573C2#4573C2

#4573C2 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.1% C 0.133 H 260.5°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#4573C2
RGB	rgb(69, 115, 194)
HSL	hsl(218, 51%, 52%)
HSV	hsv(218, 64%, 76%)
CMYK	cmyk(64.4%, 40.7%, 0%, 23.9%)
CIE-LAB	lab(48.78, 9.57, -46.05)
CIE-LCH	lch(48.78, 47.03, 281.74°)
OKLab	oklab(56.14% -0.0219 -0.1311)
OKLCH	oklch(56.14% 0.133 260.5)
XYZ	xyz(18.3191, 17.4200, 53.4255)
Luminance	0.1742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573C2 #C29445

analogous

#45B2C2 #4573C2 #5645C2

triadic

#4573C2 #C24573 #73C245

tetradic

#4573C2 #C245B2 #C29445 #45C256

square

#4573C2 #C245B2 #C29445 #45C256

split-complementary

#4573C2 #C25645 #B2C245

monochromatic

#233D6A #325798 #4573C2 #7396D1 #A1B8E0

Accessibility & contrast

On white

4.68

#4573C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4573C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4573C2

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573C2	#FFFFFF	#000000	##FFFFFF
##4573C2	1.00	4.68	4.48	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7AC5

Deuteranopia (green-blind)

#3D6FC0

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4573c2;
/* rgb */ color: rgb(69, 115, 194);
/* oklch */ color: oklch(56.1% 0.133 260.5);

Tailwind

colors: {
  custom: {
    50: '#859ad5',
    500: '#4573c2',
    950: '#000000',
  },
}

SCSS

$custom: #4573c2;
$custom-light: #859ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#4573c2",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 194
  },
  "hsl": {
    "h": 217.92,
    "s": 50.607,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56142,
    "c": 0.13296,
    "h": 260.5
  },
  "luminance": 0.17422
}

Semantic roles & 50–950 ramp

primary

#4573C2

secondary

#CDB996

accent

#A64EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4573C2

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

Preview Lab → · Contrast checker → · Palette generator →