#818BCD#818BCD

#818BCD is a light, moderate blue. Relative luminance 0.275; OKLCH L 65.5% C 0.099 H 276.7°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#818BCD
RGB	rgb(129, 139, 205)
HSL	hsl(232, 43%, 65%)
HSV	hsv(232, 37%, 80%)
CMYK	cmyk(37.1%, 32.2%, 0%, 19.6%)
CIE-LAB	lab(59.47, 12.47, -35.22)
CIE-LCH	lch(59.47, 37.36, 289.50°)
OKLab	oklab(65.52% 0.0116 -0.0984)
OKLCH	oklch(65.52% 0.099 276.7)
XYZ	xyz(29.3021, 27.5390, 61.5174)
Luminance	0.2754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818BCD #CDC381

analogous

#81B1CD #818BCD #9D81CD

triadic

#818BCD #CD818B #8BCD81

tetradic

#818BCD #CD81B1 #CDC381 #81CD9D

square

#818BCD #CD81B1 #CDC381 #81CD9D

split-complementary

#818BCD #CD9D81 #B1CD81

monochromatic

#3C4897 #5563BC #818BCD #ADB3DE #D9DCF0

Accessibility & contrast

On white

3.23

#818BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#818BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818BCD

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818BCD	#FFFFFF	#000000	##000000
##818BCD	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7692D0

Deuteranopia (green-blind)

#718CCB

Tritanopia (blue-blind)

#6B98A3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #818bcd;
/* rgb */ color: rgb(129, 139, 205);
/* oklch */ color: oklch(65.5% 0.099 276.7);

Tailwind

colors: {
  custom: {
    50: '#a8acdc',
    500: '#818bcd',
    950: '#000000',
  },
}

SCSS

$custom: #818bcd;
$custom-light: #a8acdc;
$custom-dark: #000000;

JSON

{
  "hex": "#818bcd",
  "rgb": {
    "r": 129,
    "g": 139,
    "b": 205
  },
  "hsl": {
    "h": 232.105,
    "s": 43.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.6552,
    "c": 0.09904,
    "h": 276.7
  },
  "luminance": 0.2754
}

Semantic roles & 50–950 ramp

primary

#818BCD

secondary

#E2DEC8

accent

#A52FB6

background

#FAFAFD

surface

#F4F4FB

border

#CECED4

text

#101015

muted

#7F7F83

Preview Lab

Preview with #818BCD

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

Preview Lab → · Contrast checker → · Palette generator →