#3570C5#3570C5

#3570C5 is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.146 H 257.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3570C5
RGB	rgb(53, 112, 197)
HSL	hsl(215, 58%, 49%)
HSV	hsv(215, 73%, 77%)
CMYK	cmyk(73.1%, 43.1%, 0%, 22.7%)
CIE-LAB	lab(47.46, 10.02, -49.92)
CIE-LCH	lch(47.46, 50.92, 281.35°)
OKLab	oklab(55% -0.0307 -0.1428)
OKLCH	oklch(55% 0.146 257.9)
XYZ	xyz(17.3367, 16.3745, 55.0594)
Luminance	0.1638 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3570C5 #C58A35

analogous

#35B8C5 #3570C5 #4235C5

triadic

#3570C5 #C53570 #70C535

tetradic

#3570C5 #C535B8 #C58A35 #35C542

square

#3570C5 #C535B8 #C58A35 #35C542

split-complementary

#3570C5 #C54235 #B8C535

monochromatic

#1B3965 #285595 #3570C5 #6291D5 #93B3E2

Accessibility & contrast

On white

4.91

#3570C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#3570C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570C5

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3570C5	#FFFFFF	#000000	##FFFFFF
##3570C5	1.00	4.91	4.28	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4678C8

Deuteranopia (green-blind)

#2C6AC3

Tritanopia (blue-blind)

#008491

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3570c5;
/* rgb */ color: rgb(53, 112, 197);
/* oklch */ color: oklch(55.0% 0.146 257.9);

Tailwind

colors: {
  custom: {
    50: '#7f98d7',
    500: '#3570c5',
    950: '#000000',
  },
}

SCSS

$custom: #3570c5;
$custom-light: #7f98d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3570c5",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 197
  },
  "hsl": {
    "h": 215.417,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54995,
    "c": 0.14607,
    "h": 257.9
  },
  "luminance": 0.16376
}

Semantic roles & 50–950 ramp

primary

#3570C5

secondary

#CDB189

accent

#A247E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3570C5

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

Preview Lab → · Contrast checker → · Palette generator →