#4571DE#4571DE

#4571DE is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.173 H 264.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4571DE
RGB	rgb(69, 113, 222)
HSL	hsl(223, 70%, 57%)
HSV	hsv(223, 69%, 87%)
CMYK	cmyk(68.9%, 49.1%, 0%, 12.9%)
CIE-LAB	lab(49.91, 20.72, -60.19)
CIE-LCH	lch(49.91, 63.66, 289.00°)
OKLab	oklab(57.55% -0.0154 -0.1727)
OKLCH	oklch(57.55% 0.173 264.9)
XYZ	xyz(21.5396, 18.3472, 71.4993)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571DE #DEB245

analogous

#45BEDE #4571DE #6645DE

triadic

#4571DE #DE4571 #71DE45

tetradic

#4571DE #DE45BE #DEB245 #45DE66

square

#4571DE #DE45BE #DEB245 #45DE66

split-complementary

#4571DE #DE6645 #BEDE45

monochromatic

#193B8F #2351C3 #4571DE #7999E7 #ADC0F0

Accessibility & contrast

On white

4.50

#4571DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4571DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4571DE

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571DE	#FFFFFF	#000000	##000000
##4571DE	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337EE2

Deuteranopia (green-blind)

#0070DC

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4571de;
/* rgb */ color: rgb(69, 113, 222);
/* oklch */ color: oklch(57.6% 0.173 264.9);

Tailwind

colors: {
  custom: {
    50: '#8a99e9',
    500: '#4571de',
    950: '#000000',
  },
}

SCSS

$custom: #4571de;
$custom-light: #8a99e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4571de",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 222
  },
  "hsl": {
    "h": 222.745,
    "s": 69.863,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57551,
    "c": 0.17342,
    "h": 264.9
  },
  "luminance": 0.18349
}

Semantic roles & 50–950 ramp

primary

#4571DE

secondary

#DFCDA0

accent

#BA3BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4571DE

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

Preview Lab → · Contrast checker → · Palette generator →