#4571C2#4571C2

#4571C2 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.135 H 261.6°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#4571C2
RGB	rgb(69, 113, 194)
HSL	hsl(219, 51%, 52%)
HSV	hsv(219, 64%, 76%)
CMYK	cmyk(64.4%, 41.8%, 0%, 23.9%)
CIE-LAB	lab(48.22, 10.81, -46.95)
CIE-LCH	lch(48.22, 48.18, 282.97°)
OKLab	oklab(55.71% -0.0199 -0.1338)
OKLCH	oklch(55.71% 0.135 261.6)
XYZ	xyz(18.0935, 16.9688, 53.3503)
Luminance	0.1697 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571C2 #C29645

analogous

#45B0C2 #4571C2 #5845C2

triadic

#4571C2 #C24571 #71C245

tetradic

#4571C2 #C245B0 #C29645 #45C258

square

#4571C2 #C245B0 #C29645 #45C258

split-complementary

#4571C2 #C25845 #B0C245

monochromatic

#233C6A #325698 #4571C2 #7394D1 #A1B7E0

Accessibility & contrast

On white

4.78

#4571C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#4571C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571C2

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571C2	#FFFFFF	#000000	##FFFFFF
##4571C2	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C79C5

Deuteranopia (green-blind)

#396DC0

Tritanopia (blue-blind)

#008390

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4571c2;
/* rgb */ color: rgb(69, 113, 194);
/* oklch */ color: oklch(55.7% 0.135 261.6);

Tailwind

colors: {
  custom: {
    50: '#8599d5',
    500: '#4571c2',
    950: '#000000',
  },
}

SCSS

$custom: #4571c2;
$custom-light: #8599d5;
$custom-dark: #000000;

JSON

{
  "hex": "#4571c2",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 194
  },
  "hsl": {
    "h": 218.88,
    "s": 50.607,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55705,
    "c": 0.13527,
    "h": 261.6
  },
  "luminance": 0.16971
}

Semantic roles & 50–950 ramp

primary

#4571C2

secondary

#CDBA96

accent

#A94EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4571C2

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

Preview Lab → · Contrast checker → · Palette generator →