#3570CD#3570CD

#3570CD is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.157 H 259.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3570CD
RGB	rgb(53, 112, 205)
HSL	hsl(217, 60%, 51%)
HSV	hsv(217, 74%, 80%)
CMYK	cmyk(74.1%, 45.4%, 0%, 19.6%)
CIE-LAB	lab(47.94, 12.98, -53.73)
CIE-LCH	lch(47.94, 55.28, 283.58°)
OKLab	oklab(55.52% -0.0292 -0.154)
OKLCH	oklch(55.52% 0.157 259.3)
XYZ	xyz(18.2778, 16.7510, 60.0157)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570CD #CD9235

analogous

#35BCCD #3570CD #4635CD

triadic

#3570CD #CD3570 #70CD35

tetradic

#3570CD #CD35BC #CD9235 #35CD46

square

#3570CD #CD35BC #CD9235 #35CD46

split-complementary

#3570CD #CD4635 #BCCD35

monochromatic

#1B3B6D #27559E #3570CD #6693D9 #97B5E5

Accessibility & contrast

On white

4.83

#3570CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3570CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570CD

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570CD	#FFFFFF	#000000	##FFFFFF
##3570CD	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4079D1

Deuteranopia (green-blind)

#1F6BCB

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3570cd;
/* rgb */ color: rgb(53, 112, 205);
/* oklch */ color: oklch(55.5% 0.157 259.3);

Tailwind

colors: {
  custom: {
    50: '#8098dd',
    500: '#3570cd',
    950: '#000000',
  },
}

SCSS

$custom: #3570cd;
$custom-light: #8098dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3570cd",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 205
  },
  "hsl": {
    "h": 216.711,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55524,
    "c": 0.15677,
    "h": 259.3
  },
  "luminance": 0.16753
}

Semantic roles & 50–950 ramp

primary

#3570CD

secondary

#D1B68D

accent

#A644E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3570CD

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

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