#6583F1#6583F1

#6583F1 is a light, vivid blue. Relative luminance 0.254; OKLCH L 64.1% C 0.167 H 269.7°. Best body text is #000000 at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#6583F1
RGB	rgb(101, 131, 241)
HSL	hsl(227, 83%, 67%)
HSV	hsv(227, 58%, 95%)
CMYK	cmyk(58.1%, 45.6%, 0%, 5.5%)
CIE-LAB	lab(57.41, 21.54, -58.69)
CIE-LCH	lch(57.41, 62.52, 290.15°)
OKLab	oklab(64.07% -0.0008 -0.1675)
OKLCH	oklch(64.07% 0.167 269.7)
XYZ	xyz(29.3550, 25.3478, 86.5477)
Luminance	0.2535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583F1 #F1D365

analogous

#65C9F1 #6583F1 #8D65F1

triadic

#6583F1 #F16583 #83F165

tetradic

#6583F1 #F165C9 #F1D365 #65F18D

square

#6583F1 #F165C9 #F1D365 #65F18D

split-complementary

#6583F1 #F18D65 #C9F165

monochromatic

#123AC9 #2D56EC #6583F1 #9DB0F6 #D5DDFB

Accessibility & contrast

On white

3.46

#6583F1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.07

#6583F1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583F1

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583F1	#FFFFFF	#000000	##000000
##6583F1	1.00	3.46	6.07	6.07
#FFFFFF	3.46	1.00	21.00	21.00
#000000	6.07	21.00	1.00	1.00
##000000	6.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F90F5

Deuteranopia (green-blind)

#3A84EF

Tritanopia (blue-blind)

#009CAE

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6583f1;
/* rgb */ color: rgb(101, 131, 241);
/* oklch */ color: oklch(64.1% 0.167 269.7);

Tailwind

colors: {
  custom: {
    50: '#9ba6f6',
    500: '#6583f1',
    950: '#000000',
  },
}

SCSS

$custom: #6583f1;
$custom-light: #9ba6f6;
$custom-dark: #000000;

JSON

{
  "hex": "#6583f1",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 241
  },
  "hsl": {
    "h": 227.143,
    "s": 83.333,
    "l": 67.059
  },
  "oklch": {
    "l": 0.64073,
    "c": 0.16746,
    "h": 269.7
  },
  "luminance": 0.2535
}

Semantic roles & 50–950 ramp

primary

#6583F1

secondary

#EFE6C3

accent

#B106E0

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6583F1

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

Preview Lab → · Contrast checker → · Palette generator →