#4781E4#4781E4

#4781E4 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.4% C 0.162 H 260.4°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#4781E4
RGB	rgb(71, 129, 228)
HSL	hsl(218, 74%, 59%)
HSV	hsv(218, 69%, 89%)
CMYK	cmyk(68.9%, 43.4%, 0%, 10.6%)
CIE-LAB	lab(54.70, 13.25, -55.88)
CIE-LCH	lch(54.70, 57.43, 283.34°)
OKLab	oklab(61.36% -0.0271 -0.1598)
OKLCH	oklch(61.36% 0.162 260.4)
XYZ	xyz(24.4474, 22.6390, 76.4651)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4781E4 #E4AA47

analogous

#47D0E4 #4781E4 #5B47E4

triadic

#4781E4 #E44781 #81E447

tetradic

#4781E4 #E447D0 #E4AA47 #47E45B

square

#4781E4 #E447D0 #E4AA47 #47E45B

split-complementary

#4781E4 #E45B47 #D0E447

monochromatic

#17479A #1E60CF #4781E4 #7CA6EC #B2CAF4

Accessibility & contrast

On white

3.80

#4781E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#4781E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4781E4

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4781E4	#FFFFFF	#000000	##000000
##4781E4	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518BE8

Deuteranopia (green-blind)

#357CE2

Tritanopia (blue-blind)

#0098A7

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4781e4;
/* rgb */ color: rgb(71, 129, 228);
/* oklch */ color: oklch(61.4% 0.162 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ba5ed',
    500: '#4781e4',
    950: '#000000',
  },
}

SCSS

$custom: #4781e4;
$custom-light: #8ba5ed;
$custom-dark: #000000;

JSON

{
  "hex": "#4781e4",
  "rgb": {
    "r": 71,
    "g": 129,
    "b": 228
  },
  "hsl": {
    "h": 217.834,
    "s": 74.408,
    "l": 58.627
  },
  "oklch": {
    "l": 0.61361,
    "c": 0.16205,
    "h": 260.4
  },
  "luminance": 0.22642
}

Semantic roles & 50–950 ramp

primary

#4781E4

secondary

#E2CCA4

accent

#AC37F1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4781E4

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

Preview Lab → · Contrast checker → · Palette generator →