#4570D9#4570D9

#4570D9 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.0% C 0.168 H 264.8°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#4570D9
RGBrgb(69, 112, 217)
HSLhsl(223, 66%, 56%)
HSVhsv(223, 68%, 85%)
CMYKcmyk(68.2%, 48.4%, 0%, 14.9%)
CIE-LABlab(49.33, 19.57, -58.31)
CIE-LCHlch(49.33, 61.51, 288.56°)
OKLaboklab(57% -0.0151 -0.1672)
OKLCHoklch(57% 0.168 264.8)
XYZxyz(20.7684, 17.8612, 67.9852)
Luminance0.1786 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4570D9 #D9AE45
analogous
#45BAD9 #4570D9 #6445D9
triadic
#4570D9 #D94570 #70D945
tetradic
#4570D9 #D945BA #D9AE45 #45D964
square
#4570D9 #D945BA #D9AE45 #45D964
split-complementary
#4570D9 #D96445 #BAD945
monochromatic
#1C3B88 #2651BB #4570D9 #7897E3 #ABBEEE

Accessibility & contrast

On white

4.59
#4570D9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.57
#4570D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4570D9
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4570D9#FFFFFF#000000##FFFFFF
##4570D91.004.594.574.59
#FFFFFF4.591.0021.001.00
#0000004.5721.001.0021.00
##FFFFFF4.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#367CDD
Deuteranopia (green-blind)
#0A6FD7
Tritanopia (blue-blind)
#00899A
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #4570d9;
/* rgb */ color: rgb(69, 112, 217);
/* oklch */ color: oklch(57.0% 0.168 264.8);
Tailwind
colors: {
  custom: {
    50: '#8998e5',
    500: '#4570d9',
    950: '#000000',
  },
}
SCSS
$custom: #4570d9;
$custom-light: #8998e5;
$custom-dark: #000000;
JSON
{
  "hex": "#4570d9",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 217
  },
  "hsl": {
    "h": 222.568,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.57001,
    "c": 0.16789,
    "h": 264.8
  },
  "luminance": 0.17863
}

Semantic roles & 50–950 ramp

primary
#4570D9
secondary
#DBCA9E
accent
#B83FE9
background
#F9F9FE
surface
#F1F2FC
border
#CBCCD5
text
#0D0D16
muted
#7E7E84

Preview Lab

Preview with #4570D9

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

Preview Lab → · Contrast checker → · Palette generator →

#4570D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva