#4C81CC#4C81CC

#4C81CC is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.1% C 0.128 H 257.3°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4C81CC
RGB	rgb(76, 129, 204)
HSL	hsl(215, 56%, 55%)
HSV	hsv(215, 63%, 80%)
CMYK	cmyk(62.7%, 36.8%, 0%, 20%)
CIE-LAB	lab(53.59, 5.74, -44.10)
CIE-LCH	lch(53.59, 44.48, 277.41°)
OKLab	oklab(60.14% -0.0283 -0.1252)
OKLCH	oklch(60.14% 0.128 257.3)
XYZ	xyz(21.7259, 21.5946, 60.1383)
Luminance	0.2160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81CC #CC974C

analogous

#4CC1CC #4C81CC #574CCC

triadic

#4C81CC #CC4C81 #81CC4C

tetradic

#4C81CC #CC4CC1 #CC974C #4CCC57

square

#4C81CC #CC4CC1 #CC974C #4CCC57

split-complementary

#4C81CC #CC574C #C1CC4C

monochromatic

#23477B #3163AA #4C81CC #7CA3DA #ABC4E7

Accessibility & contrast

On white

3.95

#4C81CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4C81CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81CC

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81CC	#FFFFFF	#000000	##000000
##4C81CC	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	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: #4c81cc;
/* rgb */ color: rgb(76, 129, 204);
/* oklch */ color: oklch(60.1% 0.128 257.3);

Tailwind

colors: {
  custom: {
    50: '#89a5dc',
    500: '#4c81cc',
    950: '#000000',
  },
}

SCSS

$custom: #4c81cc;
$custom-light: #89a5dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81cc",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 204
  },
  "hsl": {
    "h": 215.156,
    "s": 55.652,
    "l": 54.902
  },
  "oklch": {
    "l": 0.60136,
    "c": 0.12831,
    "h": 257.3
  },
  "luminance": 0.21597
}

Semantic roles & 50–950 ramp

primary

#4C81CC

secondary

#D5BF9F

accent

#A149DF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4C81CC

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

Preview Lab → · Contrast checker → · Palette generator →