#4780E8#4780E8

#4780E8 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.4% C 0.168 H 261.3°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4780E8
RGB	rgb(71, 128, 232)
HSL	hsl(219, 78%, 59%)
HSV	hsv(219, 69%, 91%)
CMYK	cmyk(69.4%, 44.8%, 0%, 9%)
CIE-LAB	lab(54.66, 15.27, -58.18)
CIE-LCH	lch(54.66, 60.15, 284.71°)
OKLab	oklab(61.41% -0.0255 -0.1665)
OKLCH	oklch(61.41% 0.168 261.3)
XYZ	xyz(24.8780, 22.6015, 79.3797)
Luminance	0.2260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4780E8 #E8AF47

analogous

#47D0E8 #4780E8 #5F47E8

triadic

#4780E8 #E84780 #80E847

tetradic

#4780E8 #E847D0 #E8AF47 #47E85F

square

#4780E8 #E847D0 #E8AF47 #47E85F

split-complementary

#4780E8 #E85F47 #D0E847

monochromatic

#1446A1 #1B5DD7 #4780E8 #7DA6EF #B4CBF6

Accessibility & contrast

On white

3.80

#4780E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4780E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4780E8

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4780E8	#FFFFFF	#000000	##000000
##4780E8	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C8BEC

Deuteranopia (green-blind)

#2C7CE6

Tritanopia (blue-blind)

#0098A9

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4780e8;
/* rgb */ color: rgb(71, 128, 232);
/* oklch */ color: oklch(61.4% 0.168 261.3);

Tailwind

colors: {
  custom: {
    50: '#8ca4f0',
    500: '#4780e8',
    950: '#000000',
  },
}

SCSS

$custom: #4780e8;
$custom-light: #8ca4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#4780e8",
  "rgb": {
    "r": 71,
    "g": 128,
    "b": 232
  },
  "hsl": {
    "h": 218.758,
    "s": 77.778,
    "l": 59.412
  },
  "oklch": {
    "l": 0.61406,
    "c": 0.16848,
    "h": 261.3
  },
  "luminance": 0.22604
}

Semantic roles & 50–950 ramp

primary

#4780E8

secondary

#E5CFA6

accent

#B034F4

background

#F9FAFE

surface

#F2F3FD

border

#CCCDD5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4780E8

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

Preview Lab → · Contrast checker → · Palette generator →