#4570D8#4570D8

#4570D8 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.167 H 264.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4570D8
RGB	rgb(69, 112, 216)
HSL	hsl(222, 65%, 56%)
HSV	hsv(222, 68%, 85%)
CMYK	cmyk(68.1%, 48.1%, 0%, 15.3%)
CIE-LAB	lab(49.26, 19.22, -57.84)
CIE-LCH	lch(49.26, 60.95, 288.38°)
OKLab	oklab(56.93% -0.0153 -0.1658)
OKLCH	oklch(56.93% 0.167 264.7)
XYZ	xyz(20.6387, 17.8094, 67.3023)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570D8 #D8AD45

analogous

#45B9D8 #4570D8 #6345D8

triadic

#4570D8 #D84570 #70D845

tetradic

#4570D8 #D845B9 #D8AD45 #45D863

square

#4570D8 #D845B9 #D8AD45 #45D863

split-complementary

#4570D8 #D86345 #B9D845

monochromatic

#1C3B86 #2752B9 #4570D8 #7897E3 #AABEED

Accessibility & contrast

On white

4.60

#4570D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4570D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4570D8

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570D8	#FFFFFF	#000000	##FFFFFF
##4570D8	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#387CDC

Deuteranopia (green-blind)

#0F6FD6

Tritanopia (blue-blind)

#00889A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4570d8;
/* rgb */ color: rgb(69, 112, 216);
/* oklch */ color: oklch(56.9% 0.167 264.7);

Tailwind

colors: {
  custom: {
    50: '#8998e5',
    500: '#4570d8',
    950: '#000000',
  },
}

SCSS

$custom: #4570d8;
$custom-light: #8998e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4570d8",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 216
  },
  "hsl": {
    "h": 222.449,
    "s": 65.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.56932,
    "c": 0.16654,
    "h": 264.7
  },
  "luminance": 0.17811
}

Semantic roles & 50–950 ramp

primary

#4570D8

secondary

#DBC99E

accent

#B740E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4570D8

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

Preview Lab → · Contrast checker → · Palette generator →