#4573BE#4573BE

#4573BE is a mid, vivid blue. Relative luminance 0.172; OKLCH L 55.9% C 0.127 H 259.7°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4573BE
RGB	rgb(69, 115, 190)
HSL	hsl(217, 48%, 51%)
HSV	hsv(217, 64%, 75%)
CMYK	cmyk(63.7%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(48.56, 8.18, -44.10)
CIE-LCH	lch(48.56, 44.85, 280.50°)
OKLab	oklab(55.9% -0.0228 -0.1254)
OKLCH	oklch(55.9% 0.127 259.7)
XYZ	xyz(17.8759, 17.2427, 51.0913)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573BE #BE9045

analogous

#45AFBE #4573BE #5345BE

triadic

#4573BE #BE4573 #73BE45

tetradic

#4573BE #BE45AF #BE9045 #45BE53

square

#4573BE #BE45AF #BE9045 #45BE53

split-complementary

#4573BE #BE5345 #AFBE45

monochromatic

#233C65 #335793 #4573BE #7295CE #A0B7DE

Accessibility & contrast

On white

4.72

#4573BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4573BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4573BE

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573BE	#FFFFFF	#000000	##FFFFFF
##4573BE	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5279C1

Deuteranopia (green-blind)

#406EBC

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4573be;
/* rgb */ color: rgb(69, 115, 190);
/* oklch */ color: oklch(55.9% 0.127 259.7);

Tailwind

colors: {
  custom: {
    50: '#849ad2',
    500: '#4573be',
    950: '#000000',
  },
}

SCSS

$custom: #4573be;
$custom-light: #849ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#4573be",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 217.19,
    "s": 48.207,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55899,
    "c": 0.12747,
    "h": 259.7
  },
  "luminance": 0.17244
}

Semantic roles & 50–950 ramp

primary

#4573BE

secondary

#CAB695

accent

#A450D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #4573BE

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

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