#3571CA#3571CA

#3571CA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.152 H 258.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#3571CA
RGB	rgb(53, 113, 202)
HSL	hsl(216, 58%, 50%)
HSV	hsv(216, 74%, 79%)
CMYK	cmyk(73.8%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(48.04, 11.24, -51.86)
CIE-LCH	lch(48.04, 53.06, 282.23°)
OKLab	oklab(55.54% -0.0306 -0.1485)
OKLCH	oklch(55.54% 0.152 258.4)
XYZ	xyz(18.0301, 16.8294, 58.1638)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3571CA #CA8E35

analogous

#35BBCA #3571CA #4435CA

triadic

#3571CA #CA3571 #71CA35

tetradic

#3571CA #CA35BB #CA8E35 #35CA44

square

#3571CA #CA35BB #CA8E35 #35CA44

split-complementary

#3571CA #CA4435 #BBCA35

monochromatic

#1C3B69 #28569A #3571CA #6593D7 #96B5E3

Accessibility & contrast

On white

4.81

#3571CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3571CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3571CA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3571CA	#FFFFFF	#000000	##FFFFFF
##3571CA	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CD

Deuteranopia (green-blind)

#276CC8

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3571ca;
/* rgb */ color: rgb(53, 113, 202);
/* oklch */ color: oklch(55.5% 0.152 258.4);

Tailwind

colors: {
  custom: {
    50: '#8099db',
    500: '#3571ca',
    950: '#000000',
  },
}

SCSS

$custom: #3571ca;
$custom-light: #8099db;
$custom-dark: #000000;

JSON

{
  "hex": "#3571ca",
  "rgb": {
    "r": 53,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 215.839,
    "s": 58.431,
    "l": 50
  },
  "oklch": {
    "l": 0.55542,
    "c": 0.1516,
    "h": 258.4
  },
  "luminance": 0.16831
}

Semantic roles & 50–950 ramp

primary

#3571CA

secondary

#CFB48C

accent

#A346E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3571CA

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

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