#3570C9#3570C9

#3570C9 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.3% C 0.151 H 258.6°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX#3570C9
RGBrgb(53, 112, 201)
HSLhsl(216, 58%, 50%)
HSVhsv(216, 74%, 79%)
CMYKcmyk(73.6%, 44.3%, 0%, 21.2%)
CIE-LABlab(47.70, 11.50, -51.83)
CIE-LCHlch(47.70, 53.09, 282.51°)
OKLaboklab(55.26% -0.0299 -0.1484)
OKLCHoklch(55.26% 0.151 258.6)
XYZxyz(17.8011, 16.5603, 57.5053)
Luminance0.1656 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3570C9 #C98E35
analogous
#35BAC9 #3570C9 #4435C9
triadic
#3570C9 #C93570 #70C935
tetradic
#3570C9 #C935BA #C98E35 #35C944
square
#3570C9 #C935BA #C98E35 #35C944
split-complementary
#3570C9 #C94435 #BAC935
monochromatic
#1B3A68 #285599 #3570C9 #6592D6 #95B4E3

Accessibility & contrast

On white

4.87
#3570C9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.31
#3570C9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3570C9
4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3570C9#FFFFFF#000000##FFFFFF
##3570C91.004.874.314.87
#FFFFFF4.871.0021.001.00
#0000004.3121.001.0021.00
##FFFFFF4.871.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4378CC
Deuteranopia (green-blind)
#266BC7
Tritanopia (blue-blind)
#008593
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3570c9;
/* rgb */ color: rgb(53, 112, 201);
/* oklch */ color: oklch(55.3% 0.151 258.6);
Tailwind
colors: {
  custom: {
    50: '#7f98da',
    500: '#3570c9',
    950: '#000000',
  },
}
SCSS
$custom: #3570c9;
$custom-light: #7f98da;
$custom-dark: #000000;
JSON
{
  "hex": "#3570c9",
  "rgb": {
    "r": 53,
    "g": 112,
    "b": 201
  },
  "hsl": {
    "h": 216.081,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55258,
    "c": 0.15142,
    "h": 258.6
  },
  "luminance": 0.16562
}

Semantic roles & 50–950 ramp

primary
#3570C9
secondary
#CEB48B
accent
#A446E1
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0B0D15
muted
#7C7E83

Preview Lab

Preview with #3570C9

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

Preview Lab → · Contrast checker → · Palette generator →

#3570C9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva