#6581FB#6581FB

#6581FB is a light, vivid blue. Relative luminance 0.254; OKLCH L 64.3% C 0.183 H 270.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#6581FB
RGB	rgb(101, 129, 251)
HSL	hsl(229, 95%, 69%)
HSV	hsv(229, 60%, 98%)
CMYK	cmyk(59.8%, 48.6%, 0%, 1.6%)
CIE-LAB	lab(57.49, 26.00, -64.09)
CIE-LCH	lch(57.49, 69.17, 292.08°)
OKLab	oklab(64.32% 0.0024 -0.1834)
OKLCH	oklch(64.32% 0.183 270.7)
XYZ	xyz(30.6239, 25.4297, 94.5427)
Luminance	0.2543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6581FB #FBDF65

analogous

#65CCFB #6581FB #9465FB

triadic

#6581FB #FB6581 #81FB65

tetradic

#6581FB #FB65CC #FBDF65 #65FB94

square

#6581FB #FB65CC #FBDF65 #65FB94

split-complementary

#6581FB #FB9465 #CCFB65

monochromatic

#062FE0 #2950F9 #6581FB #A1B2FD #DCE3FE

Accessibility & contrast

On white

3.45

#6581FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#6581FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581FB

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6581FB	#FFFFFF	#000000	##000000
##6581FB	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4191FF

Deuteranopia (green-blind)

#2384F8

Tritanopia (blue-blind)

#009DB2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #6581fb;
/* rgb */ color: rgb(101, 129, 251);
/* oklch */ color: oklch(64.3% 0.183 270.7);

Tailwind

colors: {
  custom: {
    50: '#9da5fd',
    500: '#6581fb',
    950: '#000000',
  },
}

SCSS

$custom: #6581fb;
$custom-light: #9da5fd;
$custom-dark: #000000;

JSON

{
  "hex": "#6581fb",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 251
  },
  "hsl": {
    "h": 228.8,
    "s": 94.937,
    "l": 69.02
  },
  "oklch": {
    "l": 0.64323,
    "c": 0.18338,
    "h": 270.7
  },
  "luminance": 0.25432
}

Semantic roles & 50–950 ramp

primary

#6581FB

secondary

#F4ECC8

accent

#BB00E6

background

#FAFAFF

surface

#F4F4FF

border

#CECED7

text

#0F0F18

muted

#7F7F86

Preview Lab

Preview with #6581FB

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

Preview Lab → · Contrast checker → · Palette generator →