#8183E5#8183E5

#8183E5 is a light, vivid blue. Relative luminance 0.266; OKLCH L 65.2% C 0.144 H 280.7°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#8183E5
RGB	rgb(129, 131, 229)
HSL	hsl(239, 66%, 70%)
HSV	hsv(239, 44%, 90%)
CMYK	cmyk(43.7%, 42.8%, 0%, 10.2%)
CIE-LAB	lab(58.56, 23.93, -50.09)
CIE-LCH	lch(58.56, 55.51, 295.54°)
OKLab	oklab(65.2% 0.0268 -0.1416)
OKLCH	oklch(65.2% 0.144 280.7)
XYZ	xyz(31.3082, 26.5554, 77.5896)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#8183E5 #E5E381

analogous

#81B5E5 #8183E5 #B181E5

triadic

#8183E5 #E58183 #83E581

tetradic

#8183E5 #E581B5 #E5E381 #81E5B1

square

#8183E5 #E581B5 #E5E381 #81E5B1

split-complementary

#8183E5 #E5B181 #B5E581

monochromatic

#282BC3 #4E51DB #8183E5 #B4B5EF #E6E6FA

Accessibility & contrast

On white

3.33

#8183E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#8183E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #8183E5

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##8183E5	#FFFFFF	#000000	##000000
##8183E5	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E91E9

Deuteranopia (green-blind)

#5889E3

Tritanopia (blue-blind)

#6097A9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #8183e5;
/* rgb */ color: rgb(129, 131, 229);
/* oklch */ color: oklch(65.2% 0.144 280.7);

Tailwind

colors: {
  custom: {
    50: '#aaa7ee',
    500: '#8183e5',
    950: '#000000',
  },
}

SCSS

$custom: #8183e5;
$custom-light: #aaa7ee;
$custom-dark: #000000;

JSON

{
  "hex": "#8183e5",
  "rgb": {
    "r": 129,
    "g": 131,
    "b": 229
  },
  "hsl": {
    "h": 238.8,
    "s": 65.789,
    "l": 70.196
  },
  "oklch": {
    "l": 0.652,
    "c": 0.14413,
    "h": 280.7
  },
  "luminance": 0.26557
}

Semantic roles & 50–950 ramp

primary

#8183E5

secondary

#EFEED3

accent

#CA18CE

background

#FAFAFE

surface

#F4F4FD

border

#CECED5

text

#100F16

muted

#7F7F84

Preview Lab

Preview with #8183E5

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

Preview Lab → · Contrast checker → · Palette generator →