#6573CB#6573CB

#6573CB is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.5% C 0.135 H 274.6°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#6573CB
RGB	rgb(101, 115, 203)
HSL	hsl(232, 50%, 60%)
HSV	hsv(232, 50%, 80%)
CMYK	cmyk(50.2%, 43.3%, 0%, 20.4%)
CIE-LAB	lab(51.08, 19.12, -47.44)
CIE-LCH	lch(51.08, 51.15, 291.95°)
OKLab	oklab(58.55% 0.0109 -0.1346)
OKLCH	oklch(58.55% 0.135 274.6)
XYZ	xyz(22.2736, 19.3386, 59.0474)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573CB #CBBD65

analogous

#65A6CB #6573CB #8A65CB

triadic

#6573CB #CB6573 #73CB65

tetradic

#6573CB #CB65A6 #CBBD65 #65CB8A

square

#6573CB #CB65A6 #CBBD65 #65CB8A

split-complementary

#6573CB #CB8A65 #A6CB65

monochromatic

#2E3A88 #3D4EB6 #6573CB #939DDA #C1C6EA

Accessibility & contrast

On white

4.31

#6573CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#6573CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573CB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573CB	#FFFFFF	#000000	##000000
##6573CB	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7ECE

Deuteranopia (green-blind)

#4576C9

Tritanopia (blue-blind)

#3B8695

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #6573cb;
/* rgb */ color: rgb(101, 115, 203);
/* oklch */ color: oklch(58.5% 0.135 274.6);

Tailwind

colors: {
  custom: {
    50: '#979bdb',
    500: '#6573cb',
    950: '#000000',
  },
}

SCSS

$custom: #6573cb;
$custom-light: #979bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#6573cb",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 203
  },
  "hsl": {
    "h": 231.765,
    "s": 49.515,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58545,
    "c": 0.13502,
    "h": 274.6
  },
  "luminance": 0.1934
}

Semantic roles & 50–950 ramp

primary

#6573CB

secondary

#DAD4B2

accent

#C64FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #6573CB

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

Preview Lab → · Contrast checker → · Palette generator →