#4571D5#4571D5

#4571D5 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.9% C 0.161 H 264.1°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4571D5
RGB	rgb(69, 113, 213)
HSL	hsl(222, 63%, 55%)
HSV	hsv(222, 68%, 84%)
CMYK	cmyk(67.6%, 46.9%, 0%, 16.5%)
CIE-LAB	lab(49.35, 17.53, -56.01)
CIE-LCH	lch(49.35, 58.68, 287.38°)
OKLab	oklab(56.94% -0.0166 -0.1604)
OKLCH	oklch(56.94% 0.161 264.1)
XYZ	xyz(20.3654, 17.8775, 65.3153)
Luminance	0.1788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571D5 #D5A945

analogous

#45B9D5 #4571D5 #6145D5

triadic

#4571D5 #D54571 #71D545

tetradic

#4571D5 #D545B9 #D5A945 #45D561

square

#4571D5 #D545B9 #D5A945 #45D561

split-complementary

#4571D5 #D56145 #B9D545

monochromatic

#1D3C82 #2953B4 #4571D5 #7797E0 #A9BDEC

Accessibility & contrast

On white

4.59

#4571D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4571D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4571D5

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571D5	#FFFFFF	#000000	##FFFFFF
##4571D5	1.00	4.59	4.58	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.58	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7CD9

Deuteranopia (green-blind)

#1D6FD3

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4571d5;
/* rgb */ color: rgb(69, 113, 213);
/* oklch */ color: oklch(56.9% 0.161 264.1);

Tailwind

colors: {
  custom: {
    50: '#8899e2',
    500: '#4571d5',
    950: '#000000',
  },
}

SCSS

$custom: #4571d5;
$custom-light: #8899e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4571d5",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 213
  },
  "hsl": {
    "h": 221.667,
    "s": 63.158,
    "l": 55.294
  },
  "oklch": {
    "l": 0.56935,
    "c": 0.16128,
    "h": 264.1
  },
  "luminance": 0.1788
}

Semantic roles & 50–950 ramp

primary

#4571D5

secondary

#D9C79D

accent

#B442E6

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4571D5

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

Preview Lab → · Contrast checker → · Palette generator →