#4C81DA#4C81DA

#4C81DA is a mid, vivid blue. Relative luminance 0.223; OKLCH L 61.0% C 0.147 H 260.2°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#4C81DA
RGB	rgb(76, 129, 218)
HSL	hsl(218, 66%, 58%)
HSV	hsv(218, 65%, 85%)
CMYK	cmyk(65.1%, 40.8%, 0%, 14.5%)
CIE-LAB	lab(54.34, 10.54, -50.83)
CIE-LCH	lch(54.34, 51.91, 281.72°)
OKLab	oklab(60.96% -0.0251 -0.1449)
OKLCH	oklch(60.96% 0.147 260.2)
XYZ	xyz(23.4811, 22.2967, 69.3823)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C81DA #DAA54C

analogous

#4CC8DA #4C81DA #5E4CDA

triadic

#4C81DA #DA4C81 #81DA4C

tetradic

#4C81DA #DA4CC8 #DAA54C #4CDA5E

square

#4C81DA #DA4CC8 #DAA54C #4CDA5E

split-complementary

#4C81DA #DA5E4C #C8DA4C

monochromatic

#1D478E #2861C1 #4C81DA #7FA5E4 #B1C8EF

Accessibility & contrast

On white

3.85

#4C81DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#4C81DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C81DA

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C81DA	#FFFFFF	#000000	##000000
##4C81DA	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5889DD

Deuteranopia (green-blind)

#437CD8

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4c81da;
/* rgb */ color: rgb(76, 129, 218);
/* oklch */ color: oklch(61.0% 0.147 260.2);

Tailwind

colors: {
  custom: {
    50: '#8ca5e6',
    500: '#4c81da',
    950: '#000000',
  },
}

SCSS

$custom: #4c81da;
$custom-light: #8ca5e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4c81da",
  "rgb": {
    "r": 76,
    "g": 129,
    "b": 218
  },
  "hsl": {
    "h": 217.606,
    "s": 65.741,
    "l": 57.647
  },
  "oklch": {
    "l": 0.60958,
    "c": 0.14702,
    "h": 260.2
  },
  "luminance": 0.22299
}

Semantic roles & 50–950 ramp

primary

#4C81DA

secondary

#DDC8A4

accent

#A93FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4C81DA

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

Preview Lab → · Contrast checker → · Palette generator →