#4578DC#4578DC

#4578DC is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.9% C 0.162 H 262.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#4578DC
RGB	rgb(69, 120, 220)
HSL	hsl(220, 68%, 57%)
HSV	hsv(220, 69%, 86%)
CMYK	cmyk(68.6%, 45.5%, 0%, 13.7%)
CIE-LAB	lab(51.68, 15.65, -56.22)
CIE-LCH	lch(51.68, 58.36, 285.56°)
OKLab	oklab(58.86% -0.0219 -0.1609)
OKLCH	oklch(58.86% 0.162 262.3)
XYZ	xyz(22.0844, 19.8632, 70.3664)
Luminance	0.1986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4578DC #DCA945

analogous

#45C4DC #4578DC #5E45DC

triadic

#4578DC #DC4578 #78DC45

tetradic

#4578DC #DC45C4 #DCA945 #45DC5E

square

#4578DC #DC45C4 #DCA945 #45DC5E

split-complementary

#4578DC #DC5E45 #C4DC45

monochromatic

#1A418C #2459C0 #4578DC #799DE6 #ACC3EF

Accessibility & contrast

On white

4.22

#4578DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#4578DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4578DC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4578DC	#FFFFFF	#000000	##000000
##4578DC	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4583E0

Deuteranopia (green-blind)

#2775DA

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4578dc;
/* rgb */ color: rgb(69, 120, 220);
/* oklch */ color: oklch(58.9% 0.162 262.3);

Tailwind

colors: {
  custom: {
    50: '#899ee7',
    500: '#4578dc',
    950: '#000000',
  },
}

SCSS

$custom: #4578dc;
$custom-light: #899ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#4578dc",
  "rgb": {
    "r": 69,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 219.735,
    "s": 68.326,
    "l": 56.667
  },
  "oklch": {
    "l": 0.58864,
    "c": 0.16243,
    "h": 262.3
  },
  "luminance": 0.19865
}

Semantic roles & 50–950 ramp

primary

#4578DC

secondary

#DDC8A0

accent

#B03DEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4578DC

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

Preview Lab → · Contrast checker → · Palette generator →