#6583FD#6583FD

#6583FD is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.8% C 0.184 H 270.2°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#6583FD
RGB	rgb(101, 131, 253)
HSL	hsl(228, 97%, 69%)
HSV	hsv(228, 60%, 99%)
CMYK	cmyk(60.1%, 48.2%, 0%, 0.8%)
CIE-LAB	lab(58.12, 25.45, -64.18)
CIE-LCH	lch(58.12, 69.05, 291.63°)
OKLab	oklab(64.84% 0.0007 -0.1836)
OKLCH	oklch(64.84% 0.184 270.2)
XYZ	xyz(31.2068, 26.0886, 96.3005)
Luminance	0.2609 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583FD #FDDF65

analogous

#65CFFD #6583FD #9365FD

triadic

#6583FD #FD6583 #83FD65

tetradic

#6583FD #FD65CF #FDDF65 #65FD93

square

#6583FD #FD65CF #FDDF65 #65FD93

split-complementary

#6583FD #FD9365 #CFFD65

monochromatic

#0330E5 #2952FC #6583FD #A1B4FE #DEE4FF

Accessibility & contrast

On white

3.38

#6583FD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#6583FD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583FD

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583FD	#FFFFFF	#000000	##000000
##6583FD	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4493FF

Deuteranopia (green-blind)

#2685FA

Tritanopia (blue-blind)

#009FB4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #6583fd;
/* rgb */ color: rgb(101, 131, 253);
/* oklch */ color: oklch(64.8% 0.184 270.2);

Tailwind

colors: {
  custom: {
    50: '#9da6ff',
    500: '#6583fd',
    950: '#000000',
  },
}

SCSS

$custom: #6583fd;
$custom-light: #9da6ff;
$custom-dark: #000000;

JSON

{
  "hex": "#6583fd",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 253
  },
  "hsl": {
    "h": 228.158,
    "s": 97.436,
    "l": 69.412
  },
  "oklch": {
    "l": 0.6484,
    "c": 0.1836,
    "h": 270.2
  },
  "luminance": 0.26091
}

Semantic roles & 50–950 ramp

primary

#6583FD

secondary

#F5ECC9

accent

#B800E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6583FD

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

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