#3570BD#3570BD

#3570BD is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.5% C 0.135 H 256.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3570BD
RGB	rgb(53, 112, 189)
HSL	hsl(214, 56%, 47%)
HSV	hsv(214, 72%, 74%)
CMYK	cmyk(72%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(47.00, 7.07, -46.05)
CIE-LCH	lch(47.00, 46.59, 278.73°)
OKLab	oklab(54.48% -0.0324 -0.1314)
OKLCH	oklch(54.48% 0.135 256.2)
XYZ	xyz(16.4443, 16.0176, 50.3593)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570BD #BD8235

analogous

#35B4BD #3570BD #3E35BD

triadic

#3570BD #BD3570 #70BD35

tetradic

#3570BD #BD35B4 #BD8235 #35BD3E

square

#3570BD #BD35B4 #BD8235 #35BD3E

split-complementary

#3570BD #BD3E35 #B4BD35

monochromatic

#1A375D #28548D #3570BD #5D90D2 #8DB1DF

Accessibility & contrast

On white

5.00

#3570BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3570BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570BD

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570BD	#FFFFFF	#000000	##FFFFFF
##3570BD	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76C0

Deuteranopia (green-blind)

#366ABB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3570bd;
/* rgb */ color: rgb(53, 112, 189);
/* oklch */ color: oklch(54.5% 0.135 256.2);

Tailwind

colors: {
  custom: {
    50: '#7d98d1',
    500: '#3570bd',
    950: '#000000',
  },
}

SCSS

$custom: #3570bd;
$custom-light: #7d98d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3570bd",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 213.971,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.54485,
    "c": 0.13537,
    "h": 256.2
  },
  "luminance": 0.16019
}

Semantic roles & 50–950 ramp

primary

#3570BD

secondary

#CAAB84

accent

#9E48DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3570BD

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

Preview Lab → · Contrast checker → · Palette generator →