#4780E4#4780E4

#4780E4 is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.2% C 0.163 H 260.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4780E4
RGB	rgb(71, 128, 228)
HSL	hsl(218, 74%, 59%)
HSV	hsv(218, 69%, 89%)
CMYK	cmyk(68.9%, 43.9%, 0%, 10.6%)
CIE-LAB	lab(54.42, 13.86, -56.32)
CIE-LCH	lch(54.42, 58.00, 283.82°)
OKLab	oklab(61.15% -0.0262 -0.1611)
OKLCH	oklch(61.15% 0.163 260.8)
XYZ	xyz(24.3163, 22.3769, 76.4214)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780E4 #E4AB47

analogous

#47CEE4 #4780E4 #5C47E4

triadic

#4780E4 #E44780 #80E447

tetradic

#4780E4 #E447CE #E4AB47 #47E45C

square

#4780E4 #E447CE #E4AB47 #47E45C

split-complementary

#4780E4 #E45C47 #CEE447

monochromatic

#17469A #1E5FCF #4780E4 #7CA5EC #B2CAF4

Accessibility & contrast

On white

3.84

#4780E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4780E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780E4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780E4	#FFFFFF	#000000	##000000
##4780E4	1.00	3.84	5.48	5.48
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F8AE8

Deuteranopia (green-blind)

#327BE2

Tritanopia (blue-blind)

#0097A7

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4780e4;
/* rgb */ color: rgb(71, 128, 228);
/* oklch */ color: oklch(61.2% 0.163 260.8);

Tailwind

colors: {
  custom: {
    50: '#8ba4ed',
    500: '#4780e4',
    950: '#000000',
  },
}

SCSS

$custom: #4780e4;
$custom-light: #8ba4ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4780e4",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 228
  },
  "hsl": {
    "h": 218.217,
    "s": 74.408,
    "l": 58.627
  },
  "oklch": {
    "l": 0.6115,
    "c": 0.16319,
    "h": 260.8
  },
  "luminance": 0.22379
}

Semantic roles & 50–950 ramp

primary

#4780E4

secondary

#E2CCA4

accent

#AD37F1

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4780E4

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

Preview Lab → · Contrast checker → · Palette generator →