#3570CA#3570CA

#3570CA is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.3% C 0.153 H 258.8°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3570CA
RGB	rgb(53, 112, 202)
HSL	hsl(216, 58%, 50%)
HSV	hsv(216, 74%, 79%)
CMYK	cmyk(73.8%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(47.76, 11.87, -52.31)
CIE-LCH	lch(47.76, 53.64, 282.78°)
OKLab	oklab(55.32% -0.0297 -0.1498)
OKLCH	oklch(55.32% 0.153 258.8)
XYZ	xyz(17.9192, 16.6075, 58.1268)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570CA #CA8F35

analogous

#35BACA #3570CA #4535CA

triadic

#3570CA #CA3570 #70CA35

tetradic

#3570CA #CA35BA #CA8F35 #35CA45

square

#3570CA #CA35BA #CA8F35 #35CA45

split-complementary

#3570CA #CA4535 #BACA35

monochromatic

#1C3A69 #28559A #3570CA #6592D7 #96B5E3

Accessibility & contrast

On white

4.86

#3570CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3570CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570CA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570CA	#FFFFFF	#000000	##FFFFFF
##3570CA	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4279CD

Deuteranopia (green-blind)

#246BC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3570ca;
/* rgb */ color: rgb(53, 112, 202);
/* oklch */ color: oklch(55.3% 0.153 258.8);

Tailwind

colors: {
  custom: {
    50: '#8098db',
    500: '#3570ca',
    950: '#000000',
  },
}

SCSS

$custom: #3570ca;
$custom-light: #8098db;
$custom-dark: #000000;

JSON

{
  "hex": "#3570ca",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 216.242,
    "s": 58.431,
    "l": 50
  },
  "oklch": {
    "l": 0.55324,
    "c": 0.15275,
    "h": 258.8
  },
  "luminance": 0.16609
}

Semantic roles & 50–950 ramp

primary

#3570CA

secondary

#CFB48C

accent

#A446E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3570CA

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

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