#4571CD#4571CD

#4571CD is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.4% C 0.150 H 263.2°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4571CD
RGB	rgb(69, 113, 205)
HSL	hsl(221, 58%, 54%)
HSV	hsv(221, 66%, 80%)
CMYK	cmyk(66.3%, 44.9%, 0%, 19.6%)
CIE-LAB	lab(48.86, 14.69, -52.23)
CIE-LCH	lch(48.86, 54.26, 285.71°)
OKLab	oklab(56.41% -0.0178 -0.1493)
OKLCH	oklch(56.41% 0.15 263.2)
XYZ	xyz(19.3749, 17.4814, 60.0989)
Luminance	0.1748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571CD #CDA145

analogous

#45B5CD #4571CD #5D45CD

triadic

#4571CD #CD4571 #71CD45

tetradic

#4571CD #CD45B5 #CDA145 #45CD5D

square

#4571CD #CD45B5 #CDA145 #45CD5D

split-complementary

#4571CD #CD5D45 #B5CD45

monochromatic

#203C77 #2D55A8 #4571CD #7596DA #A5BBE7

Accessibility & contrast

On white

4.67

#4571CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#4571CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4571CD

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

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

Color blindness preview

Protanopia (red-blind)

#447BD0

Deuteranopia (green-blind)

#2C6ECB

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4571cd;
/* rgb */ color: rgb(69, 113, 205);
/* oklch */ color: oklch(56.4% 0.150 263.2);

Tailwind

colors: {
  custom: {
    50: '#8799dd',
    500: '#4571cd',
    950: '#000000',
  },
}

SCSS

$custom: #4571cd;
$custom-light: #8799dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4571cd",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 205
  },
  "hsl": {
    "h": 220.588,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56406,
    "c": 0.15038,
    "h": 263.2
  },
  "luminance": 0.17483
}

Semantic roles & 50–950 ramp

primary

#4571CD

secondary

#D4C19A

accent

#AF47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4571CD

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

Preview Lab → · Contrast checker → · Palette generator →