#4784DD#4784DD

#4784DD is a mid, vivid blue. Relative luminance 0.231; OKLCH L 61.6% C 0.149 H 257.9°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4784DD
RGB	rgb(71, 132, 221)
HSL	hsl(216, 69%, 57%)
HSV	hsv(216, 68%, 87%)
CMYK	cmyk(67.9%, 40.3%, 0%, 13.3%)
CIE-LAB	lab(55.13, 8.96, -51.26)
CIE-LCH	lch(55.13, 52.04, 279.91°)
OKLab	oklab(61.57% -0.0313 -0.1462)
OKLCH	oklch(61.57% 0.149 257.9)
XYZ	xyz(23.8962, 23.0601, 71.5843)
Luminance	0.2306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4784DD #DDA047

analogous

#47CFDD #4784DD #5547DD

triadic

#4784DD #DD4784 #84DD47

tetradic

#4784DD #DD47CF #DDA047 #47DD55

square

#4784DD #DD47CF #DDA047 #47DD55

split-complementary

#4784DD #DD5547 #CFDD47

monochromatic

#1A4A8F #2465C3 #4784DD #7BA7E7 #AEC9F0

Accessibility & contrast

On white

3.74

#4784DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#4784DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4784DD

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4784DD	#FFFFFF	#000000	##000000
##4784DD	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8CE1

Deuteranopia (green-blind)

#437EDB

Tritanopia (blue-blind)

#0099A6

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4784dd;
/* rgb */ color: rgb(71, 132, 221);
/* oklch */ color: oklch(61.6% 0.149 257.9);

Tailwind

colors: {
  custom: {
    50: '#8aa7e8',
    500: '#4784dd',
    950: '#000000',
  },
}

SCSS

$custom: #4784dd;
$custom-light: #8aa7e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4784dd",
  "rgb": {
    "r": 71,
    "g": 132,
    "b": 221
  },
  "hsl": {
    "h": 215.6,
    "s": 68.807,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6157,
    "c": 0.14947,
    "h": 257.9
  },
  "luminance": 0.23063
}

Semantic roles & 50–950 ramp

primary

#4784DD

secondary

#DEC6A2

accent

#A43CEC

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4784DD

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

Preview Lab → · Contrast checker → · Palette generator →