#4573CE#4573CE

#4573CE is a mid, vivid blue. Relative luminance 0.180; OKLCH L 56.9% C 0.149 H 262.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4573CE
RGB	rgb(69, 115, 206)
HSL	hsl(220, 58%, 54%)
HSV	hsv(220, 67%, 81%)
CMYK	cmyk(66.5%, 44.2%, 0%, 19.2%)
CIE-LAB	lab(49.47, 13.80, -51.82)
CIE-LCH	lch(49.47, 53.63, 284.91°)
OKLab	oklab(56.9% -0.0196 -0.1481)
OKLCH	oklch(56.9% 0.149 262.5)
XYZ	xyz(19.7216, 17.9810, 60.8119)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4573CE #CEA045

analogous

#45B8CE #4573CE #5C45CE

triadic

#4573CE #CE4573 #73CE45

tetradic

#4573CE #CE45B8 #CEA045 #45CE5C

square

#4573CE #CE45B8 #CEA045 #45CE5C

split-complementary

#4573CE #CE5C45 #B8CE45

monochromatic

#203E79 #2D56A9 #4573CE #7597DB #A6BCE8

Accessibility & contrast

On white

4.57

#4573CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4573CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4573CE

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4573CE	#FFFFFF	#000000	##000000
##4573CE	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CD1

Deuteranopia (green-blind)

#2F70CC

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4573ce;
/* rgb */ color: rgb(69, 115, 206);
/* oklch */ color: oklch(56.9% 0.149 262.5);

Tailwind

colors: {
  custom: {
    50: '#879add',
    500: '#4573ce',
    950: '#000000',
  },
}

SCSS

$custom: #4573ce;
$custom-light: #879add;
$custom-dark: #000000;

JSON

{
  "hex": "#4573ce",
  "rgb": {
    "r": 69,
    "g": 115,
    "b": 206
  },
  "hsl": {
    "h": 219.854,
    "s": 58.298,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56896,
    "c": 0.14938,
    "h": 262.5
  },
  "luminance": 0.17983
}

Semantic roles & 50–950 ramp

primary

#4573CE

secondary

#D5C19A

accent

#AD46E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4573CE

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

Preview Lab → · Contrast checker → · Palette generator →