#4D81E1#4D81E1

#4D81E1 is a mid, vivid blue. Relative luminance 0.227; OKLCH L 61.4% C 0.156 H 261.5°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4D81E1
RGB	rgb(77, 129, 225)
HSL	hsl(219, 71%, 59%)
HSV	hsv(219, 66%, 88%)
CMYK	cmyk(65.8%, 42.7%, 0%, 11.8%)
CIE-LAB	lab(54.77, 13.13, -54.06)
CIE-LCH	lch(54.77, 55.64, 283.65°)
OKLab	oklab(61.43% -0.023 -0.1543)
OKLCH	oklch(61.43% 0.156 261.5)
XYZ	xyz(24.4966, 22.7121, 74.3125)
Luminance	0.2271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81E1 #E1AD4D

analogous

#4DCBE1 #4D81E1 #634DE1

triadic

#4D81E1 #E14D81 #81E14D

tetradic

#4D81E1 #E14DCB #E1AD4D #4DE163

square

#4D81E1 #E14DCB #E1AD4D #4DE163

split-complementary

#4D81E1 #E1634D #CBE14D

monochromatic

#1A479A #235FCE #4D81E1 #81A6EA #B6CBF3

Accessibility & contrast

On white

3.79

#4D81E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4D81E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81E1

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81E1	#FFFFFF	#000000	##000000
##4D81E1	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548AE5

Deuteranopia (green-blind)

#3C7DDF

Tritanopia (blue-blind)

#0097A6

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4d81e1;
/* rgb */ color: rgb(77, 129, 225);
/* oklch */ color: oklch(61.4% 0.156 261.5);

Tailwind

colors: {
  custom: {
    50: '#8da5eb',
    500: '#4d81e1',
    950: '#000000',
  },
}

SCSS

$custom: #4d81e1;
$custom-light: #8da5eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81e1",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 225
  },
  "hsl": {
    "h": 218.919,
    "s": 71.154,
    "l": 59.216
  },
  "oklch": {
    "l": 0.61432,
    "c": 0.15603,
    "h": 261.5
  },
  "luminance": 0.22715
}

Semantic roles & 50–950 ramp

primary

#4D81E1

secondary

#E2CEA8

accent

#AF3AEE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4D81E1

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

Preview Lab → · Contrast checker → · Palette generator →