#4C81DD#4C81DD

#4C81DD is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.1% C 0.151 H 260.7°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4C81DD
RGB	rgb(76, 129, 221)
HSL	hsl(218, 68%, 58%)
HSV	hsv(218, 66%, 87%)
CMYK	cmyk(65.6%, 41.6%, 0%, 13.3%)
CIE-LAB	lab(54.51, 11.58, -52.25)
CIE-LCH	lch(54.51, 53.52, 282.50°)
OKLab	oklab(61.14% -0.0245 -0.149)
OKLCH	oklch(61.14% 0.151 260.7)
XYZ	xyz(23.8773, 22.4551, 71.4685)
Luminance	0.2246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81DD #DDA84C

analogous

#4CC9DD #4C81DD #5F4CDD

triadic

#4C81DD #DD4C81 #81DD4C

tetradic

#4C81DD #DD4CC9 #DDA84C #4CDD5F

square

#4C81DD #DD4CC9 #DDA84C #4CDD5F

split-complementary

#4C81DD #DD5F4C #C9DD4C

monochromatic

#1C4793 #2660C6 #4C81DD #7FA5E7 #B3C9F1

Accessibility & contrast

On white

3.82

#4C81DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#4C81DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81DD

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81DD	#FFFFFF	#000000	##000000
##4C81DD	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#568AE1

Deuteranopia (green-blind)

#407CDB

Tritanopia (blue-blind)

#0096A4

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4c81dd;
/* rgb */ color: rgb(76, 129, 221);
/* oklch */ color: oklch(61.1% 0.151 260.7);

Tailwind

colors: {
  custom: {
    50: '#8ca5e8',
    500: '#4c81dd',
    950: '#000000',
  },
}

SCSS

$custom: #4c81dd;
$custom-light: #8ca5e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81dd",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 221
  },
  "hsl": {
    "h": 218.069,
    "s": 68.075,
    "l": 58.235
  },
  "oklch": {
    "l": 0.61141,
    "c": 0.15104,
    "h": 260.7
  },
  "luminance": 0.22457
}

Semantic roles & 50–950 ramp

primary

#4C81DD

secondary

#DFCAA6

accent

#AB3DEB

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4C81DD

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

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