#4570C8#4570C8

#4570C8 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.145 H 263.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4570C8
RGB	rgb(69, 112, 200)
HSL	hsl(220, 54%, 53%)
HSV	hsv(220, 66%, 78%)
CMYK	cmyk(65.5%, 44%, 0%, 21.6%)
CIE-LAB	lab(48.29, 13.55, -50.29)
CIE-LCH	lch(48.29, 52.08, 285.08°)
OKLab	oklab(55.87% -0.0177 -0.1436)
OKLCH	oklch(55.87% 0.145 263)
XYZ	xyz(18.6701, 17.0219, 56.9340)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570C8 #C89D45

analogous

#45B2C8 #4570C8 #5B45C8

triadic

#4570C8 #C84570 #70C845

tetradic

#4570C8 #C845B2 #C89D45 #45C85B

square

#4570C8 #C845B2 #C89D45 #45C85B

split-complementary

#4570C8 #C85B45 #B2C845

monochromatic

#213C71 #2F54A0 #4570C8 #7494D6 #A3B9E4

Accessibility & contrast

On white

4.77

#4570C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4570C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4570C8

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570C8	#FFFFFF	#000000	##FFFFFF
##4570C8	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4679CB

Deuteranopia (green-blind)

#306DC6

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4570c8;
/* rgb */ color: rgb(69, 112, 200);
/* oklch */ color: oklch(55.9% 0.145 263.0);

Tailwind

colors: {
  custom: {
    50: '#8698d9',
    500: '#4570c8',
    950: '#000000',
  },
}

SCSS

$custom: #4570c8;
$custom-light: #8698d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4570c8",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 200
  },
  "hsl": {
    "h": 220.305,
    "s": 54.357,
    "l": 52.745
  },
  "oklch": {
    "l": 0.55869,
    "c": 0.14471,
    "h": 263
  },
  "luminance": 0.17024
}

Semantic roles & 50–950 ramp

primary

#4570C8

secondary

#D1BE98

accent

#AD4ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4570C8

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

Preview Lab → · Contrast checker → · Palette generator →