#818DCB#818DCB

#818DCB is a light, moderate blue. Relative luminance 0.280; OKLCH L 65.8% C 0.093 H 275.1°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#818DCB
RGB	rgb(129, 141, 203)
HSL	hsl(230, 42%, 65%)
HSV	hsv(230, 36%, 80%)
CMYK	cmyk(36.5%, 30.5%, 0%, 20.4%)
CIE-LAB	lab(59.91, 10.76, -33.40)
CIE-LCH	lch(59.91, 35.09, 287.85°)
OKLab	oklab(65.83% 0.0084 -0.0931)
OKLCH	oklch(65.83% 0.094 275.1)
XYZ	xyz(29.3545, 28.0275, 60.3515)
Luminance	0.2803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818DCB #CBBF81

analogous

#81B2CB #818DCB #9A81CB

triadic

#818DCB #CB818D #8DCB81

tetradic

#818DCB #CB81B2 #CBBF81 #81CB9A

square

#818DCB #CB81B2 #CBBF81 #81CB9A

split-complementary

#818DCB #CB9A81 #B2CB81

monochromatic

#3D4B94 #5666B9 #818DCB #ACB4DD #D8DBEF

Accessibility & contrast

On white

3.18

#818DCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#818DCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818DCB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818DCB	#FFFFFF	#000000	##000000
##818DCB	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7993CE

Deuteranopia (green-blind)

#748ECA

Tritanopia (blue-blind)

#6B99A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #818dcb;
/* rgb */ color: rgb(129, 141, 203);
/* oklch */ color: oklch(65.8% 0.093 275.1);

Tailwind

colors: {
  custom: {
    50: '#a8aedb',
    500: '#818dcb',
    950: '#000000',
  },
}

SCSS

$custom: #818dcb;
$custom-light: #a8aedb;
$custom-dark: #000000;

JSON

{
  "hex": "#818dcb",
  "rgb": {
    "r": 129,
    "g": 141,
    "b": 203
  },
  "hsl": {
    "h": 230.27,
    "s": 41.573,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65834,
    "c": 0.0935,
    "h": 275.1
  },
  "luminance": 0.28029
}

Semantic roles & 50–950 ramp

primary

#818DCB

secondary

#E0DCC7

accent

#9F31B5

background

#FAFAFD

surface

#F4F4FB

border

#CECED4

text

#101015

muted

#7F7F83

Preview Lab

Preview with #818DCB

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

Preview Lab → · Contrast checker → · Palette generator →