#4571CF#4571CF

#4571CF is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.153 H 263.4°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4571CF
RGB	rgb(69, 113, 207)
HSL	hsl(221, 59%, 54%)
HSV	hsv(221, 67%, 81%)
CMYK	cmyk(66.7%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(48.98, 15.40, -53.18)
CIE-LCH	lch(48.98, 55.36, 286.15°)
OKLab	oklab(56.54% -0.0175 -0.1521)
OKLCH	oklch(56.54% 0.153 263.4)
XYZ	xyz(19.6179, 17.5785, 61.3785)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571CF #CFA345

analogous

#45B6CF #4571CF #5E45CF

triadic

#4571CF #CF4571 #71CF45

tetradic

#4571CF #CF45B6 #CFA345 #45CF5E

square

#4571CF #CF45B6 #CFA345 #45CF5E

split-complementary

#4571CF #CF5E45 #B6CF45

monochromatic

#203C7A #2C54AB #4571CF #7696DC #A6BBE8

Accessibility & contrast

On white

4.65

#4571CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#4571CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4571CF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571CF	#FFFFFF	#000000	##FFFFFF
##4571CF	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427BD3

Deuteranopia (green-blind)

#296ECD

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4571cf;
/* rgb */ color: rgb(69, 113, 207);
/* oklch */ color: oklch(56.5% 0.153 263.4);

Tailwind

colors: {
  custom: {
    50: '#8799de',
    500: '#4571cf',
    950: '#000000',
  },
}

SCSS

$custom: #4571cf;
$custom-light: #8799de;
$custom-dark: #000000;

JSON

{
  "hex": "#4571cf",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 220.87,
    "s": 58.974,
    "l": 54.118
  },
  "oklch": {
    "l": 0.56537,
    "c": 0.15312,
    "h": 263.4
  },
  "luminance": 0.1758
}

Semantic roles & 50–950 ramp

primary

#4571CF

secondary

#D5C39B

accent

#B046E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4571CF

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

Preview Lab → · Contrast checker → · Palette generator →