#4570D7#4570D7

#4570D7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.165 H 264.6°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4570D7
RGB	rgb(69, 112, 215)
HSL	hsl(222, 65%, 56%)
HSV	hsv(222, 68%, 84%)
CMYK	cmyk(67.9%, 47.9%, 0%, 15.7%)
CIE-LAB	lab(49.20, 18.86, -57.38)
CIE-LCH	lch(49.20, 60.40, 288.20°)
OKLab	oklab(56.86% -0.0154 -0.1645)
OKLCH	oklch(56.86% 0.165 264.6)
XYZ	xyz(20.5099, 17.7578, 66.6235)
Luminance	0.1776 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570D7 #D7AC45

analogous

#45B9D7 #4570D7 #6345D7

triadic

#4570D7 #D74570 #70D745

tetradic

#4570D7 #D745B9 #D7AC45 #45D763

square

#4570D7 #D745B9 #D7AC45 #45D763

split-complementary

#4570D7 #D76345 #B9D745

monochromatic

#1D3B85 #2752B7 #4570D7 #7797E2 #AABDED

Accessibility & contrast

On white

4.61

#4570D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4570D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4570D7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570D7	#FFFFFF	#000000	##FFFFFF
##4570D7	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#397CDB

Deuteranopia (green-blind)

#136FD5

Tritanopia (blue-blind)

#008899

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4570d7;
/* rgb */ color: rgb(69, 112, 215);
/* oklch */ color: oklch(56.9% 0.165 264.6);

Tailwind

colors: {
  custom: {
    50: '#8898e4',
    500: '#4570d7',
    950: '#000000',
  },
}

SCSS

$custom: #4570d7;
$custom-light: #8898e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4570d7",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 215
  },
  "hsl": {
    "h": 222.329,
    "s": 64.602,
    "l": 55.686
  },
  "oklch": {
    "l": 0.56864,
    "c": 0.16519,
    "h": 264.6
  },
  "luminance": 0.1776
}

Semantic roles & 50–950 ramp

primary

#4570D7

secondary

#DAC89E

accent

#B640E8

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4570D7

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

Preview Lab → · Contrast checker → · Palette generator →