#6583F7#6583F7

#6583F7 is a light, vivid blue. Relative luminance 0.257; OKLCH L 64.5% C 0.176 H 270.0°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#6583F7
RGB	rgb(101, 131, 247)
HSL	hsl(228, 90%, 68%)
HSV	hsv(228, 59%, 97%)
CMYK	cmyk(59.1%, 47%, 0%, 3.1%)
CIE-LAB	lab(57.76, 23.49, -61.45)
CIE-LCH	lch(57.76, 65.79, 290.92°)
OKLab	oklab(64.45% 0 -0.1756)
OKLCH	oklch(64.45% 0.176 270)
XYZ	xyz(30.2660, 25.7122, 91.3457)
Luminance	0.2571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583F7 #F7D965

analogous

#65CCF7 #6583F7 #9065F7

triadic

#6583F7 #F76583 #83F765

tetradic

#6583F7 #F765CC #F7D965 #65F790

square

#6583F7 #F765CC #F7D965 #65F790

split-complementary

#6583F7 #F79065 #CCF765

monochromatic

#0B35D6 #2B54F4 #6583F7 #9FB2FA #D9E1FD

Accessibility & contrast

On white

3.42

#6583F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#6583F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583F7

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583F7	#FFFFFF	#000000	##000000
##6583F7	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A92FB

Deuteranopia (green-blind)

#3185F5

Tritanopia (blue-blind)

#009DB1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6583f7;
/* rgb */ color: rgb(101, 131, 247);
/* oklch */ color: oklch(64.5% 0.176 270.0);

Tailwind

colors: {
  custom: {
    50: '#9ca6fa',
    500: '#6583f7',
    950: '#000000',
  },
}

SCSS

$custom: #6583f7;
$custom-light: #9ca6fa;
$custom-dark: #000000;

JSON

{
  "hex": "#6583f7",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 247
  },
  "hsl": {
    "h": 227.671,
    "s": 90.123,
    "l": 68.235
  },
  "oklch": {
    "l": 0.64452,
    "c": 0.17556,
    "h": 270
  },
  "luminance": 0.25715
}

Semantic roles & 50–950 ramp

primary

#6583F7

secondary

#F2E9C6

accent

#B600E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6583F7

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

Preview Lab → · Contrast checker → · Palette generator →