#4780D9#4780D9

#4780D9 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.149 H 259.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4780D9
RGB	rgb(71, 128, 217)
HSL	hsl(217, 66%, 56%)
HSV	hsv(217, 67%, 85%)
CMYK	cmyk(67.3%, 41%, 0%, 14.9%)
CIE-LAB	lab(53.80, 9.99, -51.14)
CIE-LCH	lch(53.80, 52.11, 281.05°)
OKLab	oklab(60.46% -0.0283 -0.1459)
OKLCH	oklch(60.46% 0.149 259)
XYZ	xyz(22.8376, 21.7854, 68.6336)
Luminance	0.2179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780D9 #D9A047

analogous

#47C9D9 #4780D9 #5747D9

triadic

#4780D9 #D94780 #80D947

tetradic

#4780D9 #D947C9 #D9A047 #47D957

square

#4780D9 #D947C9 #D9A047 #47D957

split-complementary

#4780D9 #D95747 #C9D947

monochromatic

#1C4789 #2761BC #4780D9 #7AA3E3 #ACC6EE

Accessibility & contrast

On white

3.92

#4780D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4780D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780D9

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780D9	#FFFFFF	#000000	##000000
##4780D9	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5788DC

Deuteranopia (green-blind)

#407AD7

Tritanopia (blue-blind)

#0095A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4780d9;
/* rgb */ color: rgb(71, 128, 217);
/* oklch */ color: oklch(60.5% 0.149 259.0);

Tailwind

colors: {
  custom: {
    50: '#89a4e5',
    500: '#4780d9',
    950: '#000000',
  },
}

SCSS

$custom: #4780d9;
$custom-light: #89a4e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4780d9",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 217
  },
  "hsl": {
    "h": 216.575,
    "s": 65.766,
    "l": 56.471
  },
  "oklch": {
    "l": 0.60463,
    "c": 0.14859,
    "h": 259
  },
  "luminance": 0.21788
}

Semantic roles & 50–950 ramp

primary

#4780D9

secondary

#DCC4A0

accent

#A63FE9

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4780D9

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

Preview Lab → · Contrast checker → · Palette generator →