#6583F8#6583F8

#6583F8 is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.5% C 0.177 H 270.0°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#6583F8
RGB	rgb(101, 131, 248)
HSL	hsl(228, 91%, 68%)
HSV	hsv(228, 59%, 97%)
CMYK	cmyk(59.3%, 47.2%, 0%, 2.7%)
CIE-LAB	lab(57.82, 23.82, -61.91)
CIE-LCH	lch(57.82, 66.33, 291.04°)
OKLab	oklab(64.52% 0.0001 -0.1769)
OKLCH	oklch(64.52% 0.177 270)
XYZ	xyz(30.4207, 25.7741, 92.1605)
Luminance	0.2578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6583F8 #F8DA65

analogous

#65CCF8 #6583F8 #9065F8

triadic

#6583F8 #F86583 #83F865

tetradic

#6583F8 #F865CC #F8DA65 #65F890

square

#6583F8 #F865CC #F8DA65 #65F890

split-complementary

#6583F8 #F89065 #CCF865

monochromatic

#0A34D9 #2A54F5 #6583F8 #A0B2FB #DAE1FD

Accessibility & contrast

On white

3.41

#6583F8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#6583F8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6583F8

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6583F8	#FFFFFF	#000000	##000000
##6583F8	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4992FC

Deuteranopia (green-blind)

#3085F6

Tritanopia (blue-blind)

#009EB2

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #6583f8;
/* rgb */ color: rgb(101, 131, 248);
/* oklch */ color: oklch(64.5% 0.177 270.0);

Tailwind

colors: {
  custom: {
    50: '#9ca6fb',
    500: '#6583f8',
    950: '#000000',
  },
}

SCSS

$custom: #6583f8;
$custom-light: #9ca6fb;
$custom-dark: #000000;

JSON

{
  "hex": "#6583f8",
  "rgb": {
    "r": 101,
    "g": 131,
    "b": 248
  },
  "hsl": {
    "h": 227.755,
    "s": 91.304,
    "l": 68.431
  },
  "oklch": {
    "l": 0.64516,
    "c": 0.17691,
    "h": 270
  },
  "luminance": 0.25777
}

Semantic roles & 50–950 ramp

primary

#6583F8

secondary

#F3E9C6

accent

#B700E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #6583F8

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

Preview Lab → · Contrast checker → · Palette generator →