#6573DF#6573DF

#6573DF is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.8% C 0.163 H 274.8°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#6573DF
RGB	rgb(101, 115, 223)
HSL	hsl(233, 66%, 64%)
HSV	hsv(233, 55%, 87%)
CMYK	cmyk(54.7%, 48.4%, 0%, 12.5%)
CIE-LAB	lab(52.24, 25.44, -56.93)
CIE-LCH	lch(52.24, 62.36, 294.08°)
OKLab	oklab(59.8% 0.0137 -0.1624)
OKLCH	oklch(59.8% 0.163 274.8)
XYZ	xyz(24.8126, 20.3542, 72.4190)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573DF #DFD165

analogous

#65B0DF #6573DF #9465DF

triadic

#6573DF #DF6573 #73DF65

tetradic

#6573DF #DF65B0 #DFD165 #65DF94

square

#6573DF #DF65B0 #DFD165 #65DF94

split-complementary

#6573DF #DF9465 #B0DF65

monochromatic

#2332A7 #3245D4 #6573DF #98A1EA #CACFF4

Accessibility & contrast

On white

4.14

#6573DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#6573DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573DF

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573DF	#FFFFFF	#000000	##000000
##6573DF	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F82E3

Deuteranopia (green-blind)

#2E78DD

Tritanopia (blue-blind)

#258B9E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #6573df;
/* rgb */ color: rgb(101, 115, 223);
/* oklch */ color: oklch(59.8% 0.163 274.8);

Tailwind

colors: {
  custom: {
    50: '#9a9bea',
    500: '#6573df',
    950: '#000000',
  },
}

SCSS

$custom: #6573df;
$custom-light: #9a9bea;
$custom-dark: #000000;

JSON

{
  "hex": "#6573df",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 223
  },
  "hsl": {
    "h": 233.115,
    "s": 65.591,
    "l": 63.529
  },
  "oklch": {
    "l": 0.59796,
    "c": 0.16302,
    "h": 274.8
  },
  "luminance": 0.20356
}

Semantic roles & 50–950 ramp

primary

#6573DF

secondary

#E6E1BA

accent

#B918CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6573DF

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

Preview Lab → · Contrast checker → · Palette generator →