#4571D8#4571D8

#4571D8 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.165 H 264.4°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4571D8
RGB	rgb(69, 113, 216)
HSL	hsl(222, 65%, 56%)
HSV	hsv(222, 68%, 85%)
CMYK	cmyk(68.1%, 47.7%, 0%, 15.3%)
CIE-LAB	lab(49.53, 18.59, -57.41)
CIE-LCH	lch(49.53, 60.34, 287.94°)
OKLab	oklab(57.14% -0.0162 -0.1645)
OKLCH	oklch(57.14% 0.165 264.4)
XYZ	xyz(20.7497, 18.0313, 67.3393)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571D8 #D8AC45

analogous

#45BAD8 #4571D8 #6245D8

triadic

#4571D8 #D84571 #71D845

tetradic

#4571D8 #D845BA #D8AC45 #45D862

square

#4571D8 #D845BA #D8AC45 #45D862

split-complementary

#4571D8 #D86245 #BAD845

monochromatic

#1C3C86 #2753B9 #4571D8 #7898E3 #AABEED

Accessibility & contrast

On white

4.56

#4571D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4571D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4571D8

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571D8	#FFFFFF	#000000	##000000
##4571D8	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7DDC

Deuteranopia (green-blind)

#156FD6

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4571d8;
/* rgb */ color: rgb(69, 113, 216);
/* oklch */ color: oklch(57.1% 0.165 264.4);

Tailwind

colors: {
  custom: {
    50: '#8999e5',
    500: '#4571d8',
    950: '#000000',
  },
}

SCSS

$custom: #4571d8;
$custom-light: #8999e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4571d8",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 216
  },
  "hsl": {
    "h": 222.041,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57138,
    "c": 0.16534,
    "h": 264.4
  },
  "luminance": 0.18033
}

Semantic roles & 50–950 ramp

primary

#4571D8

secondary

#DBC99E

accent

#B640E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4571D8

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

Preview Lab → · Contrast checker → · Palette generator →