#4571D7#4571D7

#4571D7 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.164 H 264.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4571D7
RGB	rgb(69, 113, 215)
HSL	hsl(222, 65%, 56%)
HSV	hsv(222, 68%, 84%)
CMYK	cmyk(67.9%, 47.4%, 0%, 15.7%)
CIE-LAB	lab(49.47, 18.24, -56.94)
CIE-LCH	lch(49.47, 59.79, 287.76°)
OKLab	oklab(57.07% -0.0163 -0.1632)
OKLCH	oklch(57.07% 0.164 264.3)
XYZ	xyz(20.6208, 17.9797, 66.6605)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571D7 #D7AB45

analogous

#45BAD7 #4571D7 #6245D7

triadic

#4571D7 #D74571 #71D745

tetradic

#4571D7 #D745BA #D7AB45 #45D762

square

#4571D7 #D745BA #D7AB45 #45D762

split-complementary

#4571D7 #D76245 #BAD745

monochromatic

#1D3C85 #2753B7 #4571D7 #7797E2 #AABEED

Accessibility & contrast

On white

4.57

#4571D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4571D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4571D7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571D7	#FFFFFF	#000000	##000000
##4571D7	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)

#3B7DDB

Deuteranopia (green-blind)

#186FD5

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4571d7;
/* rgb */ color: rgb(69, 113, 215);
/* oklch */ color: oklch(57.1% 0.164 264.3);

Tailwind

colors: {
  custom: {
    50: '#8899e4',
    500: '#4571d7',
    950: '#000000',
  },
}

SCSS

$custom: #4571d7;
$custom-light: #8899e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4571d7",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 215
  },
  "hsl": {
    "h": 221.918,
    "s": 64.602,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5707,
    "c": 0.16399,
    "h": 264.3
  },
  "luminance": 0.17982
}

Semantic roles & 50–950 ramp

primary

#4571D7

secondary

#DAC89E

accent

#B540E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4571D7

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

Preview Lab → · Contrast checker → · Palette generator →