#4570D0#4570D0

#4570D0 is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.4% C 0.156 H 263.9°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4570D0
RGB	rgb(69, 112, 208)
HSL	hsl(221, 60%, 54%)
HSV	hsv(221, 67%, 82%)
CMYK	cmyk(66.8%, 46.2%, 0%, 18.4%)
CIE-LAB	lab(48.77, 16.38, -54.09)
CIE-LCH	lch(48.77, 56.52, 286.85°)
OKLab	oklab(56.39% -0.0164 -0.1548)
OKLCH	oklch(56.39% 0.156 263.9)
XYZ	xyz(19.6296, 17.4057, 61.9874)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570D0 #D0A545

analogous

#45B6D0 #4570D0 #6045D0

triadic

#4570D0 #D04570 #70D045

tetradic

#4570D0 #D045B6 #D0A545 #45D060

square

#4570D0 #D045B6 #D0A545 #45D060

split-complementary

#4570D0 #D06045 #B6D045

monochromatic

#1F3C7B #2C53AC #4570D0 #7696DC #A7BBE9

Accessibility & contrast

On white

4.69

#4570D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4570D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570D0

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570D0	#FFFFFF	#000000	##FFFFFF
##4570D0	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7BD4

Deuteranopia (green-blind)

#246ECE

Tritanopia (blue-blind)

#008696

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4570d0;
/* rgb */ color: rgb(69, 112, 208);
/* oklch */ color: oklch(56.4% 0.156 263.9);

Tailwind

colors: {
  custom: {
    50: '#8798df',
    500: '#4570d0',
    950: '#000000',
  },
}

SCSS

$custom: #4570d0;
$custom-light: #8798df;
$custom-dark: #000000;

JSON

{
  "hex": "#4570d0",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 208
  },
  "hsl": {
    "h": 221.439,
    "s": 59.657,
    "l": 54.314
  },
  "oklch": {
    "l": 0.56392,
    "c": 0.15568,
    "h": 263.9
  },
  "luminance": 0.17408
}

Semantic roles & 50–950 ramp

primary

#4570D0

secondary

#D6C49B

accent

#B245E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4570D0

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

Preview Lab → · Contrast checker → · Palette generator →