#4571DC#4571DC

#4571DC is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.171 H 264.7°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4571DC
RGB	rgb(69, 113, 220)
HSL	hsl(223, 68%, 57%)
HSV	hsv(223, 69%, 86%)
CMYK	cmyk(68.6%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(49.79, 20.01, -59.27)
CIE-LCH	lch(49.79, 62.56, 288.66°)
OKLab	oklab(57.41% -0.0156 -0.17)
OKLCH	oklch(57.41% 0.171 264.7)
XYZ	xyz(21.2731, 18.2406, 70.0959)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571DC #DCB045

analogous

#45BCDC #4571DC #6545DC

triadic

#4571DC #DC4571 #71DC45

tetradic

#4571DC #DC45BC #DCB045 #45DC65

square

#4571DC #DC45BC #DCB045 #45DC65

split-complementary

#4571DC #DC6545 #BCDC45

monochromatic

#1A3C8C #2451C0 #4571DC #7998E6 #ACC0EF

Accessibility & contrast

On white

4.52

#4571DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#4571DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4571DC

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571DC	#FFFFFF	#000000	##000000
##4571DC	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE0

Deuteranopia (green-blind)

#0370DA

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4571dc;
/* rgb */ color: rgb(69, 113, 220);
/* oklch */ color: oklch(57.4% 0.171 264.7);

Tailwind

colors: {
  custom: {
    50: '#8999e7',
    500: '#4571dc',
    950: '#000000',
  },
}

SCSS

$custom: #4571dc;
$custom-light: #8999e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4571dc",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 222.517,
    "s": 68.326,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57412,
    "c": 0.17074,
    "h": 264.7
  },
  "luminance": 0.18243
}

Semantic roles & 50–950 ramp

primary

#4571DC

secondary

#DDCBA0

accent

#B83DEB

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4571DC

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

Preview Lab → · Contrast checker → · Palette generator →