#4570DC#4570DC

#4570DC is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.172 H 265.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4570DC
RGB	rgb(69, 112, 220)
HSL	hsl(223, 68%, 57%)
HSV	hsv(223, 69%, 86%)
CMYK	cmyk(68.6%, 49.1%, 0%, 13.7%)
CIE-LAB	lab(49.52, 20.64, -59.70)
CIE-LCH	lch(49.52, 63.17, 289.07°)
OKLab	oklab(57.21% -0.0148 -0.1713)
OKLCH	oklch(57.21% 0.172 265.1)
XYZ	xyz(21.1622, 18.0187, 70.0590)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570DC #DCB145

analogous

#45BCDC #4570DC #6645DC

triadic

#4570DC #DC4570 #70DC45

tetradic

#4570DC #DC45BC #DCB145 #45DC66

square

#4570DC #DC45BC #DCB145 #45DC66

split-complementary

#4570DC #DC6645 #BCDC45

monochromatic

#1A3B8C #2450C0 #4570DC #7998E6 #ACBFEF

Accessibility & contrast

On white

4.56

#4570DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4570DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4570DC

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570DC	#FFFFFF	#000000	##000000
##4570DC	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337DE0

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4570dc;
/* rgb */ color: rgb(69, 112, 220);
/* oklch */ color: oklch(57.2% 0.172 265.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4570dc",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 220
  },
  "hsl": {
    "h": 222.914,
    "s": 68.326,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57208,
    "c": 0.17194,
    "h": 265.1
  },
  "luminance": 0.18021
}

Semantic roles & 50–950 ramp

primary

#4570DC

secondary

#DDCCA0

accent

#B93DEB

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4570DC

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

Preview Lab → · Contrast checker → · Palette generator →