#3570BA#3570BA

#3570BA is a mid, vivid cyan. Relative luminance 0.159; OKLCH L 54.3% C 0.131 H 255.4°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3570BA
RGB	rgb(53, 112, 186)
HSL	hsl(213, 56%, 47%)
HSV	hsv(213, 72%, 73%)
CMYK	cmyk(71.5%, 39.8%, 0%, 27.1%)
CIE-LAB	lab(46.83, 5.97, -44.59)
CIE-LCH	lch(46.83, 44.98, 277.62°)
OKLab	oklab(54.3% -0.0331 -0.1271)
OKLCH	oklch(54.3% 0.131 255.4)
XYZ	xyz(16.1220, 15.8887, 48.6620)
Luminance	0.1589 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570BA #BA7F35

analogous

#35B3BA #3570BA #3C35BA

triadic

#3570BA #BA3570 #70BA35

tetradic

#3570BA #BA35B3 #BA7F35 #35BA3C

square

#3570BA #BA35B3 #BA7F35 #35BA3C

split-complementary

#3570BA #BA3C35 #B3BA35

monochromatic

#1A375B #27538A #3570BA #5C90D0 #8BB0DE

Accessibility & contrast

On white

5.03

#3570BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3570BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570BA

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570BA	#FFFFFF	#000000	##FFFFFF
##3570BA	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E76BD

Deuteranopia (green-blind)

#3969B9

Tritanopia (blue-blind)

#00818C

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3570ba;
/* rgb */ color: rgb(53, 112, 186);
/* oklch */ color: oklch(54.3% 0.131 255.4);

Tailwind

colors: {
  custom: {
    50: '#7c98cf',
    500: '#3570ba',
    950: '#000000',
  },
}

SCSS

$custom: #3570ba;
$custom-light: #7c98cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3570ba",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 186
  },
  "hsl": {
    "h": 213.383,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54298,
    "c": 0.13137,
    "h": 255.4
  },
  "luminance": 0.1589
}

Semantic roles & 50–950 ramp

primary

#3570BA

secondary

#C8A982

accent

#9C49DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3570BA

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

Preview Lab → · Contrast checker → · Palette generator →