#4C81E5#4C81E5

#4C81E5 is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.6% C 0.162 H 261.8°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4C81E5
RGB	rgb(76, 129, 229)
HSL	hsl(219, 75%, 60%)
HSV	hsv(219, 67%, 90%)
CMYK	cmyk(66.8%, 43.7%, 0%, 10.2%)
CIE-LAB	lab(54.96, 14.36, -56.01)
CIE-LCH	lch(54.96, 57.82, 284.38°)
OKLab	oklab(61.64% -0.023 -0.1601)
OKLCH	oklch(61.64% 0.162 261.8)
XYZ	xyz(24.9686, 22.8917, 77.2162)
Luminance	0.2289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81E5 #E5B04C

analogous

#4CCDE5 #4C81E5 #644CE5

triadic

#4C81E5 #E54C81 #81E54C

tetradic

#4C81E5 #E54CCD #E5B04C #4CE564

square

#4C81E5 #E54CCD #E5B04C #4CE564

split-complementary

#4C81E5 #E5644C #CDE54C

monochromatic

#17469F #1F5ED5 #4C81E5 #81A7ED #B7CCF5

Accessibility & contrast

On white

3.76

#4C81E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#4C81E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81E5

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81E5	#FFFFFF	#000000	##000000
##4C81E5	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518BE9

Deuteranopia (green-blind)

#367DE3

Tritanopia (blue-blind)

#0098A8

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4c81e5;
/* rgb */ color: rgb(76, 129, 229);
/* oklch */ color: oklch(61.6% 0.162 261.8);

Tailwind

colors: {
  custom: {
    50: '#8ea5ee',
    500: '#4c81e5',
    950: '#000000',
  },
}

SCSS

$custom: #4c81e5;
$custom-light: #8ea5ee;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81e5",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 229
  },
  "hsl": {
    "h": 219.216,
    "s": 74.634,
    "l": 59.804
  },
  "oklch": {
    "l": 0.61638,
    "c": 0.16171,
    "h": 261.8
  },
  "luminance": 0.22894
}

Semantic roles & 50–950 ramp

primary

#4C81E5

secondary

#E4CFA9

accent

#B137F1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #4C81E5

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

Preview Lab → · Contrast checker → · Palette generator →