#4C81CE#4C81CE

#4C81CE is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.3% C 0.131 H 257.8°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#4C81CE
RGB	rgb(76, 129, 206)
HSL	hsl(216, 57%, 55%)
HSV	hsv(216, 63%, 81%)
CMYK	cmyk(63.1%, 37.4%, 0%, 19.2%)
CIE-LAB	lab(53.70, 6.42, -45.07)
CIE-LCH	lch(53.70, 45.53, 278.11°)
OKLab	oklab(60.25% -0.0278 -0.128)
OKLCH	oklch(60.25% 0.131 257.8)
XYZ	xyz(21.9674, 21.6912, 61.4097)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81CE #CE994C

analogous

#4CC2CE #4C81CE #584CCE

triadic

#4C81CE #CE4C81 #81CE4C

tetradic

#4C81CE #CE4CC2 #CE994C #4CCE58

square

#4C81CE #CE4CC2 #CE994C #4CCE58

split-complementary

#4C81CE #CE584C #C2CE4C

monochromatic

#22477D #2F63AD #4C81CE #7CA3DB #ACC5E8

Accessibility & contrast

On white

3.93

#4C81CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#4C81CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81CE

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81CE	#FFFFFF	#000000	##000000
##4C81CE	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F87D1

Deuteranopia (green-blind)

#4D7BCC

Tritanopia (blue-blind)

#00939E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4c81ce;
/* rgb */ color: rgb(76, 129, 206);
/* oklch */ color: oklch(60.3% 0.131 257.8);

Tailwind

colors: {
  custom: {
    50: '#8aa5dd',
    500: '#4c81ce',
    950: '#000000',
  },
}

SCSS

$custom: #4c81ce;
$custom-light: #8aa5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81ce",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 206
  },
  "hsl": {
    "h": 215.538,
    "s": 57.018,
    "l": 55.294
  },
  "oklch": {
    "l": 0.6025,
    "c": 0.13098,
    "h": 257.8
  },
  "luminance": 0.21693
}

Semantic roles & 50–950 ramp

primary

#4C81CE

secondary

#D6C0A0

accent

#A248E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4C81CE

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

Preview Lab → · Contrast checker → · Palette generator →