#6583F0#6583F0

#6583F0 is a light, vivid blue. Relative luminance 0.253; OKLCH L 64.0% C 0.166 H 269.7°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#6583F0
RGB	rgb(101, 131, 240)
HSL	hsl(227, 82%, 67%)
HSV	hsv(227, 58%, 94%)
CMYK	cmyk(57.9%, 45.4%, 0%, 5.9%)
CIE-LAB	lab(57.36, 21.22, -58.23)
CIE-LCH	lch(57.36, 61.97, 290.02°)
OKLab	oklab(64.01% -0.001 -0.1661)
OKLCH	oklch(64.01% 0.166 269.7)
XYZ	xyz(29.2060, 25.2883, 85.7632)
Luminance	0.2529 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583F0 #F0D265

analogous

#65C9F0 #6583F0 #8C65F0

triadic

#6583F0 #F06583 #83F065

tetradic

#6583F0 #F065C9 #F0D265 #65F08C

square

#6583F0 #F065C9 #F0D265 #65F08C

split-complementary

#6583F0 #F08C65 #C9F065

monochromatic

#133AC7 #2D56EB #6583F0 #9DB0F5 #D5DDFB

Accessibility & contrast

On white

3.47

#6583F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#6583F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583F0

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583F0	#FFFFFF	#000000	##000000
##6583F0	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5090F4

Deuteranopia (green-blind)

#3C84EE

Tritanopia (blue-blind)

#009BAE

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6583f0;
/* rgb */ color: rgb(101, 131, 240);
/* oklch */ color: oklch(64.0% 0.166 269.7);

Tailwind

colors: {
  custom: {
    50: '#9ba6f5',
    500: '#6583f0',
    950: '#000000',
  },
}

SCSS

$custom: #6583f0;
$custom-light: #9ba6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#6583f0",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 240
  },
  "hsl": {
    "h": 227.05,
    "s": 82.249,
    "l": 66.863
  },
  "oklch": {
    "l": 0.6401,
    "c": 0.1661,
    "h": 269.7
  },
  "luminance": 0.25291
}

Semantic roles & 50–950 ramp

primary

#6583F0

secondary

#EFE5C2

accent

#B007DF

background

#FAFAFF

surface

#F4F4FE

border

#CECED6

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6583F0

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

Preview Lab → · Contrast checker → · Palette generator →