#4780DC#4780DC

#4780DC is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.6% C 0.153 H 259.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4780DC
RGB	rgb(71, 128, 220)
HSL	hsl(217, 68%, 57%)
HSV	hsv(217, 68%, 86%)
CMYK	cmyk(67.7%, 41.8%, 0%, 13.7%)
CIE-LAB	lab(53.97, 11.04, -52.56)
CIE-LCH	lch(53.97, 53.71, 281.86°)
OKLab	oklab(60.65% -0.0277 -0.15)
OKLCH	oklch(60.65% 0.153 259.5)
XYZ	xyz(23.2313, 21.9429, 70.7074)
Luminance	0.2195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780DC #DCA347

analogous

#47CBDC #4780DC #5947DC

triadic

#4780DC #DC4780 #80DC47

tetradic

#4780DC #DC47CB #DCA347 #47DC59

square

#4780DC #DC47CB #DCA347 #47DC59

split-complementary

#4780DC #DC5947 #CBDC47

monochromatic

#1B478E #2561C1 #4780DC #7AA3E6 #AEC7F0

Accessibility & contrast

On white

3.90

#4780DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#4780DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780DC

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780DC	#FFFFFF	#000000	##000000
##4780DC	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5588E0

Deuteranopia (green-blind)

#3C7BDA

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4780dc;
/* rgb */ color: rgb(71, 128, 220);
/* oklch */ color: oklch(60.6% 0.153 259.5);

Tailwind

colors: {
  custom: {
    50: '#8aa4e7',
    500: '#4780dc',
    950: '#000000',
  },
}

SCSS

$custom: #4780dc;
$custom-light: #8aa4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4780dc",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 220
  },
  "hsl": {
    "h": 217.047,
    "s": 68.037,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60647,
    "c": 0.15257,
    "h": 259.5
  },
  "luminance": 0.21945
}

Semantic roles & 50–950 ramp

primary

#4780DC

secondary

#DEC7A1

accent

#A83DEB

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4780DC

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

Preview Lab → · Contrast checker → · Palette generator →