#4570DA#4570DA

#4570DA is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.169 H 264.9°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#4570DA
RGB	rgb(69, 112, 218)
HSL	hsl(223, 67%, 56%)
HSV	hsv(223, 68%, 85%)
CMYK	cmyk(68.3%, 48.6%, 0%, 14.5%)
CIE-LAB	lab(49.39, 19.93, -58.77)
CIE-LCH	lch(49.39, 62.06, 288.73°)
OKLab	oklab(57.07% -0.015 -0.1686)
OKLCH	oklch(57.07% 0.169 264.9)
XYZ	xyz(20.8989, 17.9134, 68.6723)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4570DA #DAAF45

analogous

#45BADA #4570DA #6545DA

triadic

#4570DA #DA4570 #70DA45

tetradic

#4570DA #DA45BA #DAAF45 #45DA65

square

#4570DA #DA45BA #DAAF45 #45DA65

split-complementary

#4570DA #DA6545 #BADA45

monochromatic

#1B3B89 #2551BC #4570DA #7897E4 #ABBEEE

Accessibility & contrast

On white

4.58

#4570DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#4570DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4570DA

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4570DA	#FFFFFF	#000000	##000000
##4570DA	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357DDE

Deuteranopia (green-blind)

#056FD8

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4570da;
/* rgb */ color: rgb(69, 112, 218);
/* oklch */ color: oklch(57.1% 0.169 264.9);

Tailwind

colors: {
  custom: {
    50: '#8998e6',
    500: '#4570da',
    950: '#000000',
  },
}

SCSS

$custom: #4570da;
$custom-light: #8998e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4570da",
  "rgb": {
    "r": 69,
    "g": 112,
    "b": 218
  },
  "hsl": {
    "h": 222.685,
    "s": 66.816,
    "l": 56.275
  },
  "oklch": {
    "l": 0.57069,
    "c": 0.16925,
    "h": 264.9
  },
  "luminance": 0.17916
}

Semantic roles & 50–950 ramp

primary

#4570DA

secondary

#DCCA9F

accent

#B83EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4570DA

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

Preview Lab → · Contrast checker → · Palette generator →