#3571BC#3571BC

#3571BC is a mid, vivid cyan. Relative luminance 0.162; OKLCH L 54.6% C 0.133 H 255.4°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3571BC
RGB	rgb(53, 113, 188)
HSL	hsl(213, 56%, 47%)
HSV	hsv(213, 72%, 74%)
CMYK	cmyk(71.8%, 39.9%, 0%, 26.3%)
CIE-LAB	lab(47.23, 6.08, -45.10)
CIE-LCH	lch(47.23, 45.51, 277.68°)
OKLab	oklab(54.65% -0.0335 -0.1286)
OKLCH	oklch(54.65% 0.133 255.4)
XYZ	xyz(16.4471, 16.1962, 49.8266)
Luminance	0.1620 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3571BC #BC8035

analogous

#35B5BC #3571BC #3C35BC

triadic

#3571BC #BC3571 #71BC35

tetradic

#3571BC #BC35B5 #BC8035 #35BC3C

square

#3571BC #BC35B5 #BC8035 #35BC3C

split-complementary

#3571BC #BC3C35 #B5BC35

monochromatic

#1A385D #28548C #3571BC #5D91D1 #8DB1DF

Accessibility & contrast

On white

4.95

#3571BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3571BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3571BC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3571BC	#FFFFFF	#000000	##FFFFFF
##3571BC	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E77BF

Deuteranopia (green-blind)

#396ABA

Tritanopia (blue-blind)

#00838D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3571bc;
/* rgb */ color: rgb(53, 113, 188);
/* oklch */ color: oklch(54.6% 0.133 255.4);

Tailwind

colors: {
  custom: {
    50: '#7d99d0',
    500: '#3571bc',
    950: '#000000',
  },
}

SCSS

$custom: #3571bc;
$custom-light: #7d99d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3571bc",
  "rgb": {
    "r": 53,
    "g": 113,
    "b": 188
  },
  "hsl": {
    "h": 213.333,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54648,
    "c": 0.13294,
    "h": 255.4
  },
  "luminance": 0.16198
}

Semantic roles & 50–950 ramp

primary

#3571BC

secondary

#C9AA84

accent

#9C48DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3571BC

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

Preview Lab → · Contrast checker → · Palette generator →