#3571BF#3571BF

#3571BF is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.8% C 0.137 H 256.1°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#3571BF
RGB	rgb(53, 113, 191)
HSL	hsl(214, 57%, 48%)
HSV	hsv(214, 72%, 75%)
CMYK	cmyk(72.3%, 40.8%, 0%, 25.1%)
CIE-LAB	lab(47.40, 7.18, -46.56)
CIE-LCH	lch(47.40, 47.12, 278.77°)
OKLab	oklab(54.84% -0.0329 -0.1329)
OKLCH	oklch(54.84% 0.137 256.1)
XYZ	xyz(16.7738, 16.3269, 51.5475)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3571BF #BF8335

analogous

#35B6BF #3571BF #3E35BF

triadic

#3571BF #BF3571 #71BF35

tetradic

#3571BF #BF35B6 #BF8335 #35BF3E

square

#3571BF #BF35B6 #BF8335 #35BF3E

split-complementary

#3571BF #BF3E35 #B6BF35

monochromatic

#1A385F #28558F #3571BF #5F91D3 #8FB2E0

Accessibility & contrast

On white

4.92

#3571BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3571BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3571BF

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3571BF	#FFFFFF	#000000	##FFFFFF
##3571BF	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C77C2

Deuteranopia (green-blind)

#366BBD

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3571bf;
/* rgb */ color: rgb(53, 113, 191);
/* oklch */ color: oklch(54.8% 0.137 256.1);

Tailwind

colors: {
  custom: {
    50: '#7d99d3',
    500: '#3571bf',
    950: '#000000',
  },
}

SCSS

$custom: #3571bf;
$custom-light: #7d99d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3571bf",
  "rgb": {
    "r": 53,
    "g": 113,
    "b": 191
  },
  "hsl": {
    "h": 213.913,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.54835,
    "c": 0.13693,
    "h": 256.1
  },
  "luminance": 0.16329
}

Semantic roles & 50–950 ramp

primary

#3571BF

secondary

#CAAC85

accent

#9E48E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3571BF

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

Preview Lab → · Contrast checker → · Palette generator →