#4D81CC#4D81CC

#4D81CC is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.2% C 0.128 H 257.6°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4D81CC
RGB	rgb(77, 129, 204)
HSL	hsl(215, 55%, 55%)
HSV	hsv(215, 62%, 80%)
CMYK	cmyk(62.3%, 36.8%, 0%, 20%)
CIE-LAB	lab(53.64, 5.92, -44.03)
CIE-LCH	lch(53.64, 44.43, 277.66°)
OKLab	oklab(60.18% -0.0274 -0.1249)
OKLCH	oklch(60.18% 0.128 257.6)
XYZ	xyz(21.8060, 21.6359, 60.1420)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D81CC #CC984D

analogous

#4DC1CC #4D81CC #584DCC

triadic

#4D81CC #CC4D81 #81CC4D

tetradic

#4D81CC #CC4DC1 #CC984D #4DCC58

square

#4D81CC #CC4DC1 #CC984D #4DCC58

split-complementary

#4D81CC #CC584D #C1CC4D

monochromatic

#23477B #3163AB #4D81CC #7DA3DA #ACC4E7

Accessibility & contrast

On white

3.94

#4D81CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4D81CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4D81CC

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D81CC	#FFFFFF	#000000	##000000
##4D81CC	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6187CF

Deuteranopia (green-blind)

#4F7BCA

Tritanopia (blue-blind)

#00929D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4d81cc;
/* rgb */ color: rgb(77, 129, 204);
/* oklch */ color: oklch(60.2% 0.128 257.6);

Tailwind

colors: {
  custom: {
    50: '#8aa5dc',
    500: '#4d81cc',
    950: '#000000',
  },
}

SCSS

$custom: #4d81cc;
$custom-light: #8aa5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4d81cc",
  "rgb": {
    "r": 77,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 215.433,
    "s": 55.459,
    "l": 55.098
  },
  "oklch": {
    "l": 0.60182,
    "c": 0.12791,
    "h": 257.6
  },
  "luminance": 0.21638
}

Semantic roles & 50–950 ramp

primary

#4D81CC

secondary

#D5BFA0

accent

#A149DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4D81CC

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

Preview Lab → · Contrast checker → · Palette generator →