#4C81EF#4C81EF

#4C81EF is a light, vivid blue. Relative luminance 0.235; OKLCH L 62.3% C 0.175 H 263.0°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#4C81EF
RGB	rgb(76, 129, 239)
HSL	hsl(220, 84%, 62%)
HSV	hsv(220, 68%, 94%)
CMYK	cmyk(68.2%, 46%, 0%, 6.3%)
CIE-LAB	lab(55.55, 17.85, -60.64)
CIE-LCH	lch(55.55, 63.21, 286.40°)
OKLab	oklab(62.28% -0.0214 -0.1737)
OKLCH	oklch(62.28% 0.175 263)
XYZ	xyz(26.4052, 23.4663, 84.7825)
Luminance	0.2347 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81EF #EFBA4C

analogous

#4CD2EF #4C81EF #694CEF

triadic

#4C81EF #EF4C81 #81EF4C

tetradic

#4C81EF #EF4CD2 #EFBA4C #4CEF69

square

#4C81EF #EF4CD2 #EFBA4C #4CEF69

split-complementary

#4C81EF #EF694C #D2EF4C

monochromatic

#1044B1 #155AE9 #4C81EF #84A9F4 #BCD0F9

Accessibility & contrast

On white

3.69

#4C81EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#4C81EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81EF

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81EF	#FFFFFF	#000000	##000000
##4C81EF	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#488DF3

Deuteranopia (green-blind)

#257EED

Tritanopia (blue-blind)

#009BAC

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4c81ef;
/* rgb */ color: rgb(76, 129, 239);
/* oklch */ color: oklch(62.3% 0.175 263.0);

Tailwind

colors: {
  custom: {
    50: '#8fa5f5',
    500: '#4c81ef',
    950: '#000000',
  },
}

SCSS

$custom: #4c81ef;
$custom-light: #8fa5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81ef",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 239
  },
  "hsl": {
    "h": 220.491,
    "s": 83.59,
    "l": 61.765
  },
  "oklch": {
    "l": 0.6228,
    "c": 0.17498,
    "h": 263
  },
  "luminance": 0.23469
}

Semantic roles & 50–950 ramp

primary

#4C81EF

secondary

#EAD6AD

accent

#9905E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #4C81EF

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

Preview Lab → · Contrast checker → · Palette generator →