#4783DC#4783DC

#4783DC is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.3% C 0.149 H 258.2°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#4783DC
RGB	rgb(71, 131, 220)
HSL	hsl(216, 68%, 57%)
HSV	hsv(216, 68%, 86%)
CMYK	cmyk(67.7%, 40.5%, 0%, 13.7%)
CIE-LAB	lab(54.80, 9.22, -51.23)
CIE-LCH	lch(54.80, 52.05, 280.20°)
OKLab	oklab(61.29% -0.0305 -0.1461)
OKLCH	oklch(61.29% 0.149 258.2)
XYZ	xyz(23.6284, 22.7371, 70.8397)
Luminance	0.2274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4783DC #DCA047

analogous

#47CEDC #4783DC #5647DC

triadic

#4783DC #DC4783 #83DC47

tetradic

#4783DC #DC47CE #DCA047 #47DC56

square

#4783DC #DC47CE #DCA047 #47DC56

split-complementary

#4783DC #DC5647 #CEDC47

monochromatic

#1B498E #2564C1 #4783DC #7AA6E6 #AEC8F0

Accessibility & contrast

On white

3.79

#4783DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#4783DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4783DC

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4783DC	#FFFFFF	#000000	##000000
##4783DC	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A8BE0

Deuteranopia (green-blind)

#437DDA

Tritanopia (blue-blind)

#0098A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4783dc;
/* rgb */ color: rgb(71, 131, 220);
/* oklch */ color: oklch(61.3% 0.149 258.2);

Tailwind

colors: {
  custom: {
    50: '#8aa6e7',
    500: '#4783dc',
    950: '#000000',
  },
}

SCSS

$custom: #4783dc;
$custom-light: #8aa6e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4783dc",
  "rgb": {
    "r": 71,
    "g": 131,
    "b": 220
  },
  "hsl": {
    "h": 215.839,
    "s": 68.037,
    "l": 57.059
  },
  "oklch": {
    "l": 0.61294,
    "c": 0.14924,
    "h": 258.2
  },
  "luminance": 0.22739
}

Semantic roles & 50–950 ramp

primary

#4783DC

secondary

#DEC5A1

accent

#A53DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4783DC

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

Preview Lab → · Contrast checker → · Palette generator →