#3570BC#3570BC

#3570BC is a mid, vivid cyan. Relative luminance 0.160; OKLCH L 54.4% C 0.134 H 255.9°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3570BC
RGB	rgb(53, 112, 188)
HSL	hsl(214, 56%, 47%)
HSV	hsv(214, 72%, 74%)
CMYK	cmyk(71.8%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(46.94, 6.70, -45.56)
CIE-LCH	lch(46.94, 46.05, 278.37°)
OKLab	oklab(54.42% -0.0326 -0.13)
OKLCH	oklch(54.42% 0.134 255.9)
XYZ	xyz(16.3361, 15.9743, 49.7896)
Luminance	0.1598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570BC #BC8135

analogous

#35B4BC #3570BC #3E35BC

triadic

#3570BC #BC3570 #70BC35

tetradic

#3570BC #BC35B4 #BC8135 #35BC3E

square

#3570BC #BC35B4 #BC8135 #35BC3E

split-complementary

#3570BC #BC3E35 #B4BC35

monochromatic

#1A375D #28548C #3570BC #5D90D1 #8DB1DF

Accessibility & contrast

On white

5.01

#3570BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3570BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570BC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570BC	#FFFFFF	#000000	##FFFFFF
##3570BC	1.00	5.01	4.20	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C76BF

Deuteranopia (green-blind)

#376ABA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3570bc;
/* rgb */ color: rgb(53, 112, 188);
/* oklch */ color: oklch(54.4% 0.134 255.9);

Tailwind

colors: {
  custom: {
    50: '#7d98d0',
    500: '#3570bc',
    950: '#000000',
  },
}

SCSS

$custom: #3570bc;
$custom-light: #7d98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3570bc",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 213.778,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54422,
    "c": 0.13403,
    "h": 255.9
  },
  "luminance": 0.15976
}

Semantic roles & 50–950 ramp

primary

#3570BC

secondary

#C9AB84

accent

#9D48DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3570BC

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

Preview Lab → · Contrast checker → · Palette generator →