#4781DC#4781DC

#4781DC is a mid, vivid blue. Relative luminance 0.222; OKLCH L 60.9% C 0.151 H 259.1°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4781DC
RGB	rgb(71, 129, 220)
HSL	hsl(217, 68%, 57%)
HSV	hsv(217, 68%, 86%)
CMYK	cmyk(67.7%, 41.4%, 0%, 13.7%)
CIE-LAB	lab(54.24, 10.43, -52.12)
CIE-LCH	lch(54.24, 53.15, 281.32°)
OKLab	oklab(60.86% -0.0286 -0.1487)
OKLCH	oklch(60.86% 0.151 259.1)
XYZ	xyz(23.3624, 22.2050, 70.7510)
Luminance	0.2221 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4781DC #DCA247

analogous

#47CCDC #4781DC #5747DC

triadic

#4781DC #DC4781 #81DC47

tetradic

#4781DC #DC47CC #DCA247 #47DC57

square

#4781DC #DC47CC #DCA247 #47DC57

split-complementary

#4781DC #DC5747 #CCDC47

monochromatic

#1B488E #2562C1 #4781DC #7AA4E6 #AEC7F0

Accessibility & contrast

On white

3.86

#4781DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#4781DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4781DC

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4781DC	#FFFFFF	#000000	##000000
##4781DC	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5689E0

Deuteranopia (green-blind)

#3E7BDA

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4781dc;
/* rgb */ color: rgb(71, 129, 220);
/* oklch */ color: oklch(60.9% 0.151 259.1);

Tailwind

colors: {
  custom: {
    50: '#8aa5e7',
    500: '#4781dc',
    950: '#000000',
  },
}

SCSS

$custom: #4781dc;
$custom-light: #8aa5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4781dc",
  "rgb": {
    "r": 71,
    "g": 129,
    "b": 220
  },
  "hsl": {
    "h": 216.644,
    "s": 68.037,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60862,
    "c": 0.15145,
    "h": 259.1
  },
  "luminance": 0.22207
}

Semantic roles & 50–950 ramp

primary

#4781DC

secondary

#DEC6A1

accent

#A73DEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4781DC

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

Preview Lab → · Contrast checker → · Palette generator →