#3571D7#3571D7

#3571D7 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.4% C 0.169 H 260.3°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX#3571D7
RGBrgb(53, 113, 215)
HSLhsl(218, 67%, 53%)
HSVhsv(218, 75%, 84%)
CMYKcmyk(75.3%, 47.4%, 0%, 15.7%)
CIE-LABlab(48.85, 16.05, -57.98)
CIE-LCHlch(48.85, 60.16, 285.48°)
OKLaboklab(56.42% -0.0284 -0.1665)
OKLCHoklch(56.42% 0.169 260.3)
XYZxyz(19.6346, 17.4712, 66.6143)
Luminance0.1747 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3571D7 #D79B35
analogous
#35C2D7 #3571D7 #4A35D7
triadic
#3571D7 #D73571 #71D735
tetradic
#3571D7 #D735C2 #D79B35 #35D74A
square
#3571D7 #D735C2 #D79B35 #35D74A
split-complementary
#3571D7 #D74A35 #C2D735
monochromatic
#183C7A #2255AD #3571D7 #6895E1 #9BB9EB

Accessibility & contrast

On white

4.67
#3571D7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.49
#3571D7 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3571D7
4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3571D7#FFFFFF#000000##FFFFFF
##3571D71.004.674.494.67
#FFFFFF4.671.0021.001.00
#0000004.4921.001.0021.00
##FFFFFF4.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#387CDB
Deuteranopia (green-blind)
#016DD5
Tritanopia (blue-blind)
#00899A
Achromatopsia (no color)
#747474

Design tokens & code

CSS
--color: #3571d7;
/* rgb */ color: rgb(53, 113, 215);
/* oklch */ color: oklch(56.4% 0.169 260.3);
Tailwind
colors: {
  custom: {
    50: '#8299e4',
    500: '#3571d7',
    950: '#000000',
  },
}
SCSS
$custom: #3571d7;
$custom-light: #8299e4;
$custom-dark: #000000;
JSON
{
  "hex": "#3571d7",
  "rgb": {
    "r": 53,
    "g": 113,
    "b": 215
  },
  "hsl": {
    "h": 217.778,
    "s": 66.942,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5642,
    "c": 0.16889,
    "h": 260.3
  },
  "luminance": 0.17473
}

Semantic roles & 50–950 ramp

primary
#3571D7
secondary
#D7BD91
accent
#AA3EEA
background
#F8F9FE
surface
#F0F2FC
border
#CBCCD5
text
#0C0D16
muted
#7D7E84

Preview Lab

Preview with #3571D7

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

Preview Lab → · Contrast checker → · Palette generator →

#3571D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva