#818CD9#818CD9

#818CD9 is a light, moderate blue. Relative luminance 0.284; OKLCH L 66.3% C 0.115 H 276.6°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#818CD9
RGB	rgb(129, 140, 217)
HSL	hsl(233, 54%, 68%)
HSV	hsv(233, 41%, 85%)
CMYK	cmyk(40.6%, 35.5%, 0%, 14.9%)
CIE-LAB	lab(60.28, 15.22, -40.68)
CIE-LCH	lch(60.28, 43.43, 290.51°)
OKLab	oklab(66.32% 0.0132 -0.1142)
OKLCH	oklch(66.32% 0.115 276.6)
XYZ	xyz(30.9520, 28.4317, 69.4892)
Luminance	0.2843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818CD9 #D9CE81

analogous

#81B8D9 #818CD9 #A281D9

triadic

#818CD9 #D9818C #8CD981

tetradic

#818CD9 #D981B8 #D9CE81 #81D9A2

square

#818CD9 #D981B8 #D9CE81 #81D9A2

split-complementary

#818CD9 #D9A281 #B8D981

monochromatic

#3443AC #5261CB #818CD9 #B0B7E7 #DFE2F5

Accessibility & contrast

On white

3.14

#818CD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#818CD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818CD9

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818CD9	#FFFFFF	#000000	##000000
##818CD9	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7295DC

Deuteranopia (green-blind)

#6B8ED7

Tritanopia (blue-blind)

#659BA8

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #818cd9;
/* rgb */ color: rgb(129, 140, 217);
/* oklch */ color: oklch(66.3% 0.115 276.6);

Tailwind

colors: {
  custom: {
    50: '#a9ade5',
    500: '#818cd9',
    950: '#000000',
  },
}

SCSS

$custom: #818cd9;
$custom-light: #a9ade5;
$custom-dark: #000000;

JSON

{
  "hex": "#818cd9",
  "rgb": {
    "r": 129,
    "g": 140,
    "b": 217
  },
  "hsl": {
    "h": 232.5,
    "s": 53.659,
    "l": 67.843
  },
  "oklch": {
    "l": 0.6632,
    "c": 0.11493,
    "h": 276.6
  },
  "luminance": 0.28433
}

Semantic roles & 50–950 ramp

primary

#818CD9

secondary

#E8E5CD

accent

#AE24C1

background

#FAFAFE

surface

#F4F4FC

border

#CECED5

text

#101016

muted

#7F7F84

Preview Lab

Preview with #818CD9

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

Preview Lab → · Contrast checker → · Palette generator →