#4570CD#4570CD

#4570CD is a mid, vivid blue. Relative luminance 0.173; OKLCH L 56.2% C 0.152 H 263.6°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4570CD
RGB	rgb(69, 112, 205)
HSL	hsl(221, 58%, 54%)
HSV	hsv(221, 66%, 80%)
CMYK	cmyk(66.3%, 45.4%, 0%, 19.6%)
CIE-LAB	lab(48.59, 15.32, -52.67)
CIE-LCH	lch(48.59, 54.85, 286.21°)
OKLab	oklab(56.19% -0.0169 -0.1506)
OKLCH	oklch(56.19% 0.152 263.6)
XYZ	xyz(19.2640, 17.2595, 60.0620)
Luminance	0.1726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570CD #CDA245

analogous

#45B4CD #4570CD #5E45CD

triadic

#4570CD #CD4570 #70CD45

tetradic

#4570CD #CD45B4 #CDA245 #45CD5E

square

#4570CD #CD45B4 #CDA245 #45CD5E

split-complementary

#4570CD #CD5E45 #B4CD45

monochromatic

#203C77 #2D54A8 #4570CD #7595DA #A5BAE7

Accessibility & contrast

On white

4.72

#4570CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#4570CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570CD

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570CD	#FFFFFF	#000000	##FFFFFF
##4570CD	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427AD1

Deuteranopia (green-blind)

#296ECB

Tritanopia (blue-blind)

#008594

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4570cd;
/* rgb */ color: rgb(69, 112, 205);
/* oklch */ color: oklch(56.2% 0.152 263.6);

Tailwind

colors: {
  custom: {
    50: '#8798dd',
    500: '#4570cd',
    950: '#000000',
  },
}

SCSS

$custom: #4570cd;
$custom-light: #8798dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4570cd",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 205
  },
  "hsl": {
    "h": 221.029,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56194,
    "c": 0.15157,
    "h": 263.6
  },
  "luminance": 0.17261
}

Semantic roles & 50–950 ramp

primary

#4570CD

secondary

#D4C29A

accent

#B047E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4570CD

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

Preview Lab → · Contrast checker → · Palette generator →