#3571B8#3571B8

#3571B8 is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.4% C 0.128 H 254.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3571B8
RGB	rgb(53, 113, 184)
HSL	hsl(213, 55%, 46%)
HSV	hsv(213, 71%, 72%)
CMYK	cmyk(71.2%, 38.6%, 0%, 27.8%)
CIE-LAB	lab(47.01, 4.61, -43.14)
CIE-LCH	lch(47.01, 43.39, 276.10°)
OKLab	oklab(54.4% -0.0345 -0.1229)
OKLCH	oklch(54.4% 0.128 254.3)
XYZ	xyz(16.0219, 16.0261, 47.5871)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3571B8 #B87C35

analogous

#35B3B8 #3571B8 #3B35B8

triadic

#3571B8 #B83571 #71B835

tetradic

#3571B8 #B835B3 #B87C35 #35B83B

square

#3571B8 #B835B3 #B87C35 #35B83B

split-complementary

#3571B8 #B83B35 #B3B835

monochromatic

#1A3759 #275488 #3571B8 #5B90D0 #8AB0DD

Accessibility & contrast

On white

4.99

#3571B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3571B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3571B8

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3571B8	#FFFFFF	#000000	##FFFFFF
##3571B8	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5076BB

Deuteranopia (green-blind)

#3D6AB7

Tritanopia (blue-blind)

#00828B

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3571b8;
/* rgb */ color: rgb(53, 113, 184);
/* oklch */ color: oklch(54.4% 0.128 254.3);

Tailwind

colors: {
  custom: {
    50: '#7c99ce',
    500: '#3571b8',
    950: '#000000',
  },
}

SCSS

$custom: #3571b8;
$custom-light: #7c99ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3571b8",
  "rgb": {
    "r": 53,
    "g": 113,
    "b": 184
  },
  "hsl": {
    "h": 212.519,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.54402,
    "c": 0.12764,
    "h": 254.3
  },
  "luminance": 0.16028
}

Semantic roles & 50–950 ramp

primary

#3571B8

secondary

#C7A781

accent

#9A49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #3571B8

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

Preview Lab → · Contrast checker → · Palette generator →