#4571C9#4571C9

#4571C9 is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.1% C 0.145 H 262.6°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4571C9
RGB	rgb(69, 113, 201)
HSL	hsl(220, 55%, 53%)
HSV	hsv(220, 66%, 79%)
CMYK	cmyk(65.7%, 43.8%, 0%, 21.2%)
CIE-LAB	lab(48.62, 13.28, -50.32)
CIE-LCH	lch(48.62, 52.04, 284.78°)
OKLab	oklab(56.15% -0.0185 -0.1437)
OKLCH	oklch(56.15% 0.145 262.6)
XYZ	xyz(18.8983, 17.2907, 57.5885)
Luminance	0.1729 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571C9 #C99D45

analogous

#45B3C9 #4571C9 #5B45C9

triadic

#4571C9 #C94571 #71C945

tetradic

#4571C9 #C945B3 #C99D45 #45C95B

square

#4571C9 #C945B3 #C99D45 #45C95B

split-complementary

#4571C9 #C95B45 #B3C945

monochromatic

#213C72 #2F55A2 #4571C9 #7495D7 #A4B9E5

Accessibility & contrast

On white

4.71

#4571C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.46

#4571C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571C9

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571C9	#FFFFFF	#000000	##FFFFFF
##4571C9	1.00	4.71	4.46	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.46	21.00	1.00	21.00
##FFFFFF	4.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ACC

Deuteranopia (green-blind)

#316EC7

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4571c9;
/* rgb */ color: rgb(69, 113, 201);
/* oklch */ color: oklch(56.1% 0.145 262.6);

Tailwind

colors: {
  custom: {
    50: '#8699da',
    500: '#4571c9',
    950: '#000000',
  },
}

SCSS

$custom: #4571c9;
$custom-light: #8699da;
$custom-dark: #000000;

JSON

{
  "hex": "#4571c9",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 201
  },
  "hsl": {
    "h": 220,
    "s": 55,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56147,
    "c": 0.1449,
    "h": 262.6
  },
  "luminance": 0.17293
}

Semantic roles & 50–950 ramp

primary

#4571C9

secondary

#D1BE98

accent

#AD49DE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4571C9

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

Preview Lab → · Contrast checker → · Palette generator →