#4D81DF#4D81DF

#4D81DF is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.3% C 0.153 H 261.2°. Best body text is #000000 at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#4D81DF
RGB	rgb(77, 129, 223)
HSL	hsl(219, 70%, 59%)
HSV	hsv(219, 65%, 87%)
CMYK	cmyk(65.5%, 42.2%, 0%, 12.5%)
CIE-LAB	lab(54.66, 12.44, -53.12)
CIE-LCH	lch(54.66, 54.56, 283.18°)
OKLab	oklab(61.31% -0.0233 -0.1516)
OKLCH	oklch(61.31% 0.153 261.2)
XYZ	xyz(24.2254, 22.6037, 72.8840)
Luminance	0.2261 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81DF #DFAB4D

analogous

#4DCADF #4D81DF #624DDF

triadic

#4D81DF #DF4D81 #81DF4D

tetradic

#4D81DF #DF4DCA #DFAB4D #4DDF62

square

#4D81DF #DF4DCA #DFAB4D #4DDF62

split-complementary

#4D81DF #DF624D #CADF4D

monochromatic

#1B4797 #2460CA #4D81DF #81A6E8 #B5CAF2

Accessibility & contrast

On white

3.80

#4D81DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.52

#4D81DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81DF

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81DF	#FFFFFF	#000000	##000000
##4D81DF	1.00	3.80	5.52	5.52
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.52	21.00	1.00	1.00
##000000	5.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#558AE3

Deuteranopia (green-blind)

#3E7DDD

Tritanopia (blue-blind)

#0097A5

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4d81df;
/* rgb */ color: rgb(77, 129, 223);
/* oklch */ color: oklch(61.3% 0.153 261.2);

Tailwind

colors: {
  custom: {
    50: '#8da5e9',
    500: '#4d81df',
    950: '#000000',
  },
}

SCSS

$custom: #4d81df;
$custom-light: #8da5e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81df",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 223
  },
  "hsl": {
    "h": 218.63,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.61309,
    "c": 0.15335,
    "h": 261.2
  },
  "luminance": 0.22606
}

Semantic roles & 50–950 ramp

primary

#4D81DF

secondary

#E1CCA7

accent

#AD3BEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4D81DF

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

Preview Lab → · Contrast checker → · Palette generator →