#3570B2#3570B2

#3570B2 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.8% C 0.121 H 253.1°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#3570B2
RGB	rgb(53, 112, 178)
HSL	hsl(212, 54%, 45%)
HSV	hsv(212, 70%, 70%)
CMYK	cmyk(70.2%, 37.1%, 0%, 30.2%)
CIE-LAB	lab(46.39, 3.04, -40.64)
CIE-LCH	lch(46.39, 40.75, 274.28°)
OKLab	oklab(53.81% -0.035 -0.1156)
OKLCH	oklch(53.81% 0.121 253.1)
XYZ	xyz(15.2953, 15.5579, 44.3077)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570B2 #B27735

analogous

#35AFB2 #3570B2 #3835B2

triadic

#3570B2 #B23570 #70B235

tetradic

#3570B2 #B235AF #B27735 #35B238

square

#3570B2 #B235AF #B27735 #35B238

split-complementary

#3570B2 #B23835 #AFB235

monochromatic

#193554 #275283 #3570B2 #578FCD #86AEDB

Accessibility & contrast

On white

5.11

#3570B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#3570B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570B2

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570B2	#FFFFFF	#000000	##FFFFFF
##3570B2	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B5

Deuteranopia (green-blind)

#4069B1

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3570b2;
/* rgb */ color: rgb(53, 112, 178);
/* oklch */ color: oklch(53.8% 0.121 253.1);

Tailwind

colors: {
  custom: {
    50: '#7b98c9',
    500: '#3570b2',
    950: '#000000',
  },
}

SCSS

$custom: #3570b2;
$custom-light: #7b98c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3570b2",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 178
  },
  "hsl": {
    "h": 211.68,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.53812,
    "c": 0.12077,
    "h": 253.1
  },
  "luminance": 0.1556
}

Semantic roles & 50–950 ramp

primary

#3570B2

secondary

#C5A37E

accent

#984ADD

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3570B2

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

Preview Lab → · Contrast checker → · Palette generator →