#6583FA#6583FA

#6583FA is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.6% C 0.180 H 270.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#6583FA
RGB	rgb(101, 131, 250)
HSL	hsl(228, 94%, 69%)
HSV	hsv(228, 60%, 98%)
CMYK	cmyk(59.6%, 47.6%, 0%, 2%)
CIE-LAB	lab(57.94, 24.47, -62.82)
CIE-LCH	lch(57.94, 67.42, 291.28°)
OKLab	oklab(64.65% 0.0003 -0.1796)
OKLCH	oklch(64.65% 0.18 270.1)
XYZ	xyz(30.7327, 25.8989, 93.8034)
Luminance	0.2590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583FA #FADC65

analogous

#65CEFA #6583FA #9265FA

triadic

#6583FA #FA6583 #83FA65

tetradic

#6583FA #FA65CE #FADC65 #65FA92

square

#6583FA #FA65CE #FADC65 #65FA92

split-complementary

#6583FA #FA9265 #CEFA65

monochromatic

#0732DD #2A53F8 #6583FA #A0B3FC #DCE2FE

Accessibility & contrast

On white

3.40

#6583FA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#6583FA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583FA

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583FA	#FFFFFF	#000000	##000000
##6583FA	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4792FE

Deuteranopia (green-blind)

#2C85F8

Tritanopia (blue-blind)

#009EB3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6583fa;
/* rgb */ color: rgb(101, 131, 250);
/* oklch */ color: oklch(64.6% 0.180 270.1);

Tailwind

colors: {
  custom: {
    50: '#9da6fd',
    500: '#6583fa',
    950: '#000000',
  },
}

SCSS

$custom: #6583fa;
$custom-light: #9da6fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6583fa",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 250
  },
  "hsl": {
    "h": 227.919,
    "s": 93.711,
    "l": 68.824
  },
  "oklch": {
    "l": 0.64645,
    "c": 0.17959,
    "h": 270.1
  },
  "luminance": 0.25901
}

Semantic roles & 50–950 ramp

primary

#6583FA

secondary

#F3EBC7

accent

#B700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6583FA

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

Preview Lab → · Contrast checker → · Palette generator →