#4571BA#4571BA

#4571BA is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.2% C 0.124 H 260.0°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#4571BA
RGB	rgb(69, 113, 186)
HSL	hsl(217, 46%, 50%)
HSV	hsv(217, 63%, 73%)
CMYK	cmyk(62.9%, 39.2%, 0%, 27.1%)
CIE-LAB	lab(47.78, 8.02, -43.04)
CIE-LCH	lch(47.78, 43.78, 280.56°)
OKLab	oklab(55.22% -0.0216 -0.1223)
OKLCH	oklch(55.22% 0.124 260)
XYZ	xyz(17.2192, 16.6191, 48.7452)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571BA #BA8E45

analogous

#45ABBA #4571BA #5445BA

triadic

#4571BA #BA4571 #71BA45

tetradic

#4571BA #BA45AB #BA8E45 #45BA54

square

#4571BA #BA45AB #BA8E45 #45BA54

split-complementary

#4571BA #BA5445 #ABBA45

monochromatic

#243B61 #34568D #4571BA #7293CB #9EB5DB

Accessibility & contrast

On white

4.86

#4571BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#4571BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571BA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571BA	#FFFFFF	#000000	##FFFFFF
##4571BA	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5177BD

Deuteranopia (green-blind)

#406CB8

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4571ba;
/* rgb */ color: rgb(69, 113, 186);
/* oklch */ color: oklch(55.2% 0.124 260.0);

Tailwind

colors: {
  custom: {
    50: '#8399cf',
    500: '#4571ba',
    950: '#000000',
  },
}

SCSS

$custom: #4571ba;
$custom-light: #8399cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4571ba",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 186
  },
  "hsl": {
    "h": 217.436,
    "s": 45.882,
    "l": 50
  },
  "oklch": {
    "l": 0.55217,
    "c": 0.12424,
    "h": 260
  },
  "luminance": 0.16621
}

Semantic roles & 50–950 ramp

primary

#4571BA

secondary

#C8B493

accent

#A452D6

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D14

muted

#7D7E82

Preview Lab

Preview with #4571BA

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

Preview Lab → · Contrast checker → · Palette generator →