#4780D8#4780D8

#4780D8 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.4% C 0.147 H 258.8°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#4780D8
RGB	rgb(71, 128, 216)
HSL	hsl(216, 65%, 56%)
HSV	hsv(216, 67%, 85%)
CMYK	cmyk(67.1%, 40.7%, 0%, 15.3%)
CIE-LAB	lab(53.74, 9.64, -50.67)
CIE-LCH	lch(53.74, 51.57, 280.77°)
OKLab	oklab(60.4% -0.0285 -0.1445)
OKLCH	oklch(60.4% 0.147 258.8)
XYZ	xyz(22.7079, 21.7335, 67.9507)
Luminance	0.2174 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780D8 #D89F47

analogous

#47C8D8 #4780D8 #5747D8

triadic

#4780D8 #D84780 #80D847

tetradic

#4780D8 #D847C8 #D89F47 #47D857

square

#4780D8 #D847C8 #D89F47 #47D857

split-complementary

#4780D8 #D85747 #C8D847

monochromatic

#1D4788 #2761BA #4780D8 #79A3E3 #ACC6ED

Accessibility & contrast

On white

3.93

#4780D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#4780D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780D8

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780D8	#FFFFFF	#000000	##000000
##4780D8	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5788DB

Deuteranopia (green-blind)

#417AD6

Tritanopia (blue-blind)

#0094A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4780d8;
/* rgb */ color: rgb(71, 128, 216);
/* oklch */ color: oklch(60.4% 0.147 258.8);

Tailwind

colors: {
  custom: {
    50: '#89a4e4',
    500: '#4780d8',
    950: '#000000',
  },
}

SCSS

$custom: #4780d8;
$custom-light: #89a4e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4780d8",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 216
  },
  "hsl": {
    "h": 216.414,
    "s": 65.022,
    "l": 56.275
  },
  "oklch": {
    "l": 0.60402,
    "c": 0.14726,
    "h": 258.8
  },
  "luminance": 0.21736
}

Semantic roles & 50–950 ramp

primary

#4780D8

secondary

#DBC4A0

accent

#A640E8

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4780D8

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

Preview Lab → · Contrast checker → · Palette generator →