#818AAA#818AAA

#818AAA is a light, muted blue. Relative luminance 0.257; OKLCH L 63.8% C 0.049 H 272.7°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#818AAA
RGB	rgb(129, 138, 170)
HSL	hsl(227, 19%, 59%)
HSV	hsv(227, 24%, 67%)
CMYK	cmyk(24.1%, 18.8%, 0%, 33.3%)
CIE-LAB	lab(57.79, 3.96, -17.95)
CIE-LCH	lch(57.79, 18.39, 282.43°)
OKLab	oklab(63.76% 0.0023 -0.0492)
OKLCH	oklch(63.76% 0.049 272.7)
XYZ	xyz(25.3956, 25.7457, 41.6538)
Luminance	0.2575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#818AAA #AAA181

analogous

#819EAA #818AAA #8C81AA

triadic

#818AAA #AA818A #8AAA81

tetradic

#818AAA #AA819E #AAA181 #81AA8C

square

#818AAA #AA819E #AAA181 #81AA8C

split-complementary

#818AAA #AA8C81 #9EAA81

monochromatic

#474F69 #606A8E #818AAA #A6ACC3 #CACEDB

Accessibility & contrast

On white

3.42

#818AAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#818AAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #818AAA

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##818AAA	#FFFFFF	#000000	##000000
##818AAA	1.00	3.42	6.15	6.15
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAB

Deuteranopia (green-blind)

#7E89A9

Tritanopia (blue-blind)

#779095

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #818aaa;
/* rgb */ color: rgb(129, 138, 170);
/* oklch */ color: oklch(63.8% 0.049 272.7);

Tailwind

colors: {
  custom: {
    50: '#a6acc3',
    500: '#818aaa',
    950: '#000000',
  },
}

SCSS

$custom: #818aaa;
$custom-light: #a6acc3;
$custom-dark: #000000;

JSON

{
  "hex": "#818aaa",
  "rgb": {
    "r": 129,
    "g": 138,
    "b": 170
  },
  "hsl": {
    "h": 226.829,
    "s": 19.431,
    "l": 58.627
  },
  "oklch": {
    "l": 0.63755,
    "c": 0.04921,
    "h": 272.7
  },
  "luminance": 0.25746
}

Semantic roles & 50–950 ramp

primary

#818AAA

secondary

#CCC8BB

accent

#AA6CBC

background

#FAFAFC

surface

#F4F4F8

border

#CECED1

text

#0F1012

muted

#7F7F81

Preview Lab

Preview with #818AAA

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

Preview Lab → · Contrast checker → · Palette generator →