#6573DC#6573DC

#6573DC is a mid, vivid blue. Relative luminance 0.202; OKLCH L 59.6% C 0.159 H 274.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#6573DC
RGB	rgb(101, 115, 220)
HSL	hsl(233, 63%, 63%)
HSV	hsv(233, 54%, 86%)
CMYK	cmyk(54.1%, 47.7%, 0%, 13.7%)
CIE-LAB	lab(52.06, 24.48, -55.53)
CIE-LCH	lch(52.06, 60.69, 293.79°)
OKLab	oklab(59.6% 0.0133 -0.1583)
OKLCH	oklch(59.6% 0.159 274.8)
XYZ	xyz(24.4117, 20.1938, 70.3077)
Luminance	0.2019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573DC #DCCE65

analogous

#65AEDC #6573DC #9265DC

triadic

#6573DC #DC6573 #73DC65

tetradic

#6573DC #DC65AE #DCCE65 #65DC92

square

#6573DC #DC65AE #DCCE65 #65DC92

split-complementary

#6573DC #DC9265 #AEDC65

monochromatic

#2533A2 #3346D1 #6573DC #97A0E7 #C9CEF3

Accessibility & contrast

On white

4.17

#6573DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#6573DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573DC

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573DC	#FFFFFF	#000000	##000000
##6573DC	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4181E0

Deuteranopia (green-blind)

#3277DA

Tritanopia (blue-blind)

#298A9D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #6573dc;
/* rgb */ color: rgb(101, 115, 220);
/* oklch */ color: oklch(59.6% 0.159 274.8);

Tailwind

colors: {
  custom: {
    50: '#999be7',
    500: '#6573dc',
    950: '#000000',
  },
}

SCSS

$custom: #6573dc;
$custom-light: #999be7;
$custom-dark: #000000;

JSON

{
  "hex": "#6573dc",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 220
  },
  "hsl": {
    "h": 232.941,
    "s": 62.963,
    "l": 62.941
  },
  "oklch": {
    "l": 0.59602,
    "c": 0.15889,
    "h": 274.8
  },
  "luminance": 0.20195
}

Semantic roles & 50–950 ramp

primary

#6573DC

secondary

#E4DFB9

accent

#B61BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0F0E16

muted

#7E7E84

Preview Lab

Preview with #6573DC

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

Preview Lab → · Contrast checker → · Palette generator →