#4570D3#4570D3

#4570D3 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.6% C 0.160 H 264.3°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#4570D3
RGB	rgb(69, 112, 211)
HSL	hsl(222, 62%, 55%)
HSV	hsv(222, 67%, 83%)
CMYK	cmyk(67.3%, 46.9%, 0%, 17.3%)
CIE-LAB	lab(48.95, 17.44, -55.50)
CIE-LCH	lch(48.95, 58.18, 287.45°)
OKLab	oklab(56.59% -0.016 -0.159)
OKLCH	oklch(56.59% 0.16 264.3)
XYZ	xyz(20.0022, 17.5547, 63.9497)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570D3 #D3A845

analogous

#45B7D3 #4570D3 #6145D3

triadic

#4570D3 #D34570 #70D345

tetradic

#4570D3 #D345B7 #D3A845 #45D361

square

#4570D3 #D345B7 #D3A845 #45D361

split-complementary

#4570D3 #D36145 #B7D345

monochromatic

#1E3C7F #2A53B1 #4570D3 #7696DF #A8BCEA

Accessibility & contrast

On white

4.65

#4570D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#4570D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4570D3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570D3	#FFFFFF	#000000	##FFFFFF
##4570D3	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7BD7

Deuteranopia (green-blind)

#1E6ED1

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4570d3;
/* rgb */ color: rgb(69, 112, 211);
/* oklch */ color: oklch(56.6% 0.160 264.3);

Tailwind

colors: {
  custom: {
    50: '#8898e1',
    500: '#4570d3',
    950: '#000000',
  },
}

SCSS

$custom: #4570d3;
$custom-light: #8898e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4570d3",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 211
  },
  "hsl": {
    "h": 221.831,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.56593,
    "c": 0.15976,
    "h": 264.3
  },
  "luminance": 0.17557
}

Semantic roles & 50–950 ramp

primary

#4570D3

secondary

#D8C69C

accent

#B443E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0D15

muted

#7D7E83

Preview Lab

Preview with #4570D3

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

Preview Lab → · Contrast checker → · Palette generator →