#4780FF#4780FF

#4780FF is a light, vivid blue. Relative luminance 0.240; OKLCH L 63.0% C 0.199 H 263.5°. Best body text is #000000 at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#4780FF
RGB	rgb(71, 128, 255)
HSL	hsl(221, 100%, 64%)
HSV	hsv(221, 72%, 100%)
CMYK	cmyk(72.2%, 49.8%, 0%, 0%)
CIE-LAB	lab(56.08, 23.42, -68.64)
CIE-LCH	lch(56.08, 72.52, 288.84°)
OKLab	oklab(62.95% -0.0223 -0.1973)
OKLCH	oklch(62.95% 0.199 263.5)
XYZ	xyz(28.3613, 23.9949, 97.7251)
Luminance	0.2400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780FF #FFC647

analogous

#47DCFF #4780FF #6A47FF

triadic

#4780FF #FF4780 #80FF47

tetradic

#4780FF #FF47DC #FFC647 #47FF6A

square

#4780FF #FF47DC #FFC647 #47FF6A

split-complementary

#4780FF #FF6A47 #DCFF47

monochromatic

#003FCC #0A56FF #4780FF #84AAFF #C1D4FF

Accessibility & contrast

On white

3.62

#4780FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.80

#4780FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780FF

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780FF	#FFFFFF	#000000	##000000
##4780FF	1.00	3.62	5.80	5.80
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.80	21.00	1.00	1.00
##000000	5.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#328FFF

Deuteranopia (green-blind)

#007EFC

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4780ff;
/* rgb */ color: rgb(71, 128, 255);
/* oklch */ color: oklch(63.0% 0.199 263.5);

Tailwind

colors: {
  custom: {
    50: '#90a4ff',
    500: '#4780ff',
    950: '#000000',
  },
}

SCSS

$custom: #4780ff;
$custom-light: #90a4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#4780ff",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 255
  },
  "hsl": {
    "h": 221.413,
    "s": 100,
    "l": 63.922
  },
  "oklch": {
    "l": 0.62952,
    "c": 0.19858,
    "h": 263.5
  },
  "luminance": 0.23998
}

Semantic roles & 50–950 ramp

primary

#4780FF

secondary

#F1DDB1

accent

#9E00E6

background

#F9FAFF

surface

#F2F3FF

border

#CCCDD7

text

#0E0F18

muted

#7E7F86

Preview Lab

Preview with #4780FF

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

Preview Lab → · Contrast checker → · Palette generator →