#4571CA#4571CA

#4571CA is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.146 H 262.8°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4571CA
RGB	rgb(69, 113, 202)
HSL	hsl(220, 56%, 53%)
HSV	hsv(220, 66%, 79%)
CMYK	cmyk(65.8%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(48.68, 13.63, -50.80)
CIE-LCH	lch(48.68, 52.60, 285.02°)
OKLab	oklab(56.21% -0.0184 -0.1451)
OKLCH	oklch(56.21% 0.146 262.8)
XYZ	xyz(19.0163, 17.3379, 58.2101)
Luminance	0.1734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4571CA #CA9E45

analogous

#45B4CA #4571CA #5B45CA

triadic

#4571CA #CA4571 #71CA45

tetradic

#4571CA #CA45B4 #CA9E45 #45CA5B

square

#4571CA #CA45B4 #CA9E45 #45CA5B

split-complementary

#4571CA #CA5B45 #B4CA45

monochromatic

#213C74 #2F55A3 #4571CA #7595D8 #A4BAE5

Accessibility & contrast

On white

4.70

#4571CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#4571CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4571CA

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4571CA	#FFFFFF	#000000	##FFFFFF
##4571CA	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#467ACD

Deuteranopia (green-blind)

#306EC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4571ca;
/* rgb */ color: rgb(69, 113, 202);
/* oklch */ color: oklch(56.2% 0.146 262.8);

Tailwind

colors: {
  custom: {
    50: '#8699db',
    500: '#4571ca',
    950: '#000000',
  },
}

SCSS

$custom: #4571ca;
$custom-light: #8699db;
$custom-dark: #000000;

JSON

{
  "hex": "#4571ca",
  "rgb": {
    "r": 69,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 220.15,
    "s": 55.649,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56211,
    "c": 0.14627,
    "h": 262.8
  },
  "luminance": 0.1734
}

Semantic roles & 50–950 ramp

primary

#4571CA

secondary

#D2BF99

accent

#AD49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4571CA

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

Preview Lab → · Contrast checker → · Palette generator →