#6581DC#6581DC

#6581DC is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.4% C 0.141 H 269.1°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#6581DC
RGB	rgb(101, 129, 220)
HSL	hsl(226, 63%, 63%)
HSV	hsv(226, 54%, 86%)
CMYK	cmyk(54.1%, 41.4%, 0%, 13.7%)
CIE-LAB	lab(55.72, 15.99, -49.68)
CIE-LCH	lch(55.72, 52.19, 287.84°)
OKLab	oklab(62.4% -0.0021 -0.141)
OKLCH	oklch(62.4% 0.141 269.1)
XYZ	xyz(26.1311, 23.6326, 70.8808)
Luminance	0.2364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6581DC #DCC065

analogous

#65BDDC #6581DC #8465DC

triadic

#6581DC #DC6581 #81DC65

tetradic

#6581DC #DC65BD #DCC065 #65DC84

square

#6581DC #DC65BD #DCC065 #65DC84

split-complementary

#6581DC #DC8465 #BDDC65

monochromatic

#2542A2 #3358D1 #6581DC #97AAE7 #C9D3F3

Accessibility & contrast

On white

3.67

#6581DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#6581DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6581DC

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6581DC	#FFFFFF	#000000	##000000
##6581DC	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B8BE0

Deuteranopia (green-blind)

#4D81DA

Tritanopia (blue-blind)

#2595A4

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #6581dc;
/* rgb */ color: rgb(101, 129, 220);
/* oklch */ color: oklch(62.4% 0.141 269.1);

Tailwind

colors: {
  custom: {
    50: '#99a5e7',
    500: '#6581dc',
    950: '#000000',
  },
}

SCSS

$custom: #6581dc;
$custom-light: #99a5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#6581dc",
  "rgb": {
    "r": 101,
    "g": 129,
    "b": 220
  },
  "hsl": {
    "h": 225.882,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.62397,
    "c": 0.14106,
    "h": 269.1
  },
  "luminance": 0.23635
}

Semantic roles & 50–950 ramp

primary

#6581DC

secondary

#E4DAB9

accent

#A11BCB

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #6581DC

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

Preview Lab → · Contrast checker → · Palette generator →