#4573B3#4573B3

#4573B3 is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 55.3% C 0.112 H 256.9°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#4573B3
RGB	rgb(69, 115, 179)
HSL	hsl(215, 44%, 49%)
HSV	hsv(215, 61%, 70%)
CMYK	cmyk(61.5%, 35.8%, 0%, 29.8%)
CIE-LAB	lab(47.98, 4.37, -38.66)
CIE-LCH	lch(47.98, 38.91, 276.45°)
OKLab	oklab(55.26% -0.0254 -0.1095)
OKLCH	oklch(55.26% 0.112 256.9)
XYZ	xyz(16.7188, 16.7798, 44.9969)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573B3 #B38545

analogous

#45AAB3 #4573B3 #4E45B3

triadic

#4573B3 #B34573 #73B345

tetradic

#4573B3 #B345AA #B38545 #45B34E

square

#4573B3 #B345AA #B38545 #45B34E

split-complementary

#4573B3 #B34E45 #AAB345

monochromatic

#233A5B #345787 #4573B3 #6E93C7 #9AB4D8

Accessibility & contrast

On white

4.82

#4573B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#4573B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4573B3

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573B3	#FFFFFF	#000000	##FFFFFF
##4573B3	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5878B6

Deuteranopia (green-blind)

#496DB2

Tritanopia (blue-blind)

#00828A

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4573b3;
/* rgb */ color: rgb(69, 115, 179);
/* oklch */ color: oklch(55.3% 0.112 256.9);

Tailwind

colors: {
  custom: {
    50: '#829aca',
    500: '#4573b3',
    950: '#000000',
  },
}

SCSS

$custom: #4573b3;
$custom-light: #829aca;
$custom-dark: #000000;

JSON

{
  "hex": "#4573b3",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 179
  },
  "hsl": {
    "h": 214.909,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55255,
    "c": 0.11242,
    "h": 256.9
  },
  "luminance": 0.16781
}

Semantic roles & 50–950 ramp

primary

#4573B3

secondary

#C4AE8F

accent

#9E54D4

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #4573B3

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

Preview Lab → · Contrast checker → · Palette generator →