#4570DF#4570DF

#4570DF is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.4% C 0.176 H 265.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#4570DF
RGB	rgb(69, 112, 223)
HSL	hsl(223, 71%, 57%)
HSV	hsv(223, 69%, 87%)
CMYK	cmyk(69.1%, 49.8%, 0%, 12.5%)
CIE-LAB	lab(49.71, 21.70, -61.08)
CIE-LCH	lch(49.71, 64.82, 289.56°)
OKLab	oklab(57.42% -0.0144 -0.1754)
OKLCH	oklch(57.42% 0.176 265.3)
XYZ	xyz(21.5630, 18.1791, 72.1702)
Luminance	0.1818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570DF #DFB445

analogous

#45BDDF #4570DF #6745DF

triadic

#4570DF #DF4570 #70DF45

tetradic

#4570DF #DF45BD #DFB445 #45DF67

square

#4570DF #DF45BD #DFB445 #45DF67

split-complementary

#4570DF #DF6745 #BDDF45

monochromatic

#193A91 #224FC5 #4570DF #7998E8 #ADC0F1

Accessibility & contrast

On white

4.53

#4570DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#4570DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4570DF

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570DF	#FFFFFF	#000000	##000000
##4570DF	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F7EE3

Deuteranopia (green-blind)

#0070DD

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4570df;
/* rgb */ color: rgb(69, 112, 223);
/* oklch */ color: oklch(57.4% 0.176 265.3);

Tailwind

colors: {
  custom: {
    50: '#8a98ea',
    500: '#4570df',
    950: '#000000',
  },
}

SCSS

$custom: #4570df;
$custom-light: #8a98ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4570df",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 223
  },
  "hsl": {
    "h": 223.247,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57417,
    "c": 0.17596,
    "h": 265.3
  },
  "luminance": 0.18181
}

Semantic roles & 50–950 ramp

primary

#4570DF

secondary

#DFCEA1

accent

#BB3AED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4570DF

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

Preview Lab → · Contrast checker → · Palette generator →