#4570DB#4570DB

#4570DB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.1% C 0.171 H 265.0°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4570DB
RGB	rgb(69, 112, 219)
HSL	hsl(223, 68%, 56%)
HSV	hsv(223, 68%, 86%)
CMYK	cmyk(68.5%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(49.45, 20.28, -59.24)
CIE-LCH	lch(49.45, 62.61, 288.90°)
OKLab	oklab(57.14% -0.0149 -0.1699)
OKLCH	oklch(57.14% 0.171 265)
XYZ	xyz(21.0301, 17.9659, 69.3636)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570DB #DBB045

analogous

#45BBDB #4570DB #6545DB

triadic

#4570DB #DB4570 #70DB45

tetradic

#4570DB #DB45BB #DBB045 #45DB65

square

#4570DB #DB45BB #DBB045 #45DB65

split-complementary

#4570DB #DB6545 #BBDB45

monochromatic

#1B3B8B #2551BE #4570DB #7897E5 #ACBFEF

Accessibility & contrast

On white

4.57

#4570DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#4570DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4570DB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570DB	#FFFFFF	#000000	##000000
##4570DB	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#347DDF

Deuteranopia (green-blind)

#006FD9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4570db;
/* rgb */ color: rgb(69, 112, 219);
/* oklch */ color: oklch(57.1% 0.171 265.0);

Tailwind

colors: {
  custom: {
    50: '#8998e7',
    500: '#4570db',
    950: '#000000',
  },
}

SCSS

$custom: #4570db;
$custom-light: #8998e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4570db",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 222.8,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.57139,
    "c": 0.17059,
    "h": 265
  },
  "luminance": 0.17968
}

Semantic roles & 50–950 ramp

primary

#4570DB

secondary

#DDCB9F

accent

#B93DEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4570DB

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

Preview Lab → · Contrast checker → · Palette generator →