#6573BB#6573BB

#6573BB is a mid, moderate blue. Relative luminance 0.186; OKLCH L 57.6% C 0.112 H 274.0°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#6573BB
RGB	rgb(101, 115, 187)
HSL	hsl(230, 39%, 56%)
HSV	hsv(230, 46%, 73%)
CMYK	cmyk(46%, 38.5%, 0%, 26.7%)
CIE-LAB	lab(50.23, 14.19, -39.61)
CIE-LCH	lch(50.23, 42.07, 289.71°)
OKLab	oklab(57.62% 0.0079 -0.1117)
OKLCH	oklch(57.62% 0.112 274)
XYZ	xyz(20.4644, 18.6149, 49.5188)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573BB #BBAD65

analogous

#659EBB #6573BB #8265BB

triadic

#6573BB #BB6573 #73BB65

tetradic

#6573BB #BB659E #BBAD65 #65BB82

square

#6573BB #BB659E #BBAD65 #65BB82

split-complementary

#6573BB #BB8265 #9EBB65

monochromatic

#333D73 #45549D #6573BB #8F9ACE #BAC0E0

Accessibility & contrast

On white

4.45

#6573BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#6573BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573BB

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573BB	#FFFFFF	#000000	##000000
##6573BB	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBE

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#46828E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6573bb;
/* rgb */ color: rgb(101, 115, 187);
/* oklch */ color: oklch(57.6% 0.112 274.0);

Tailwind

colors: {
  custom: {
    50: '#959bd0',
    500: '#6573bb',
    950: '#000000',
  },
}

SCSS

$custom: #6573bb;
$custom-light: #959bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#6573bb",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 187
  },
  "hsl": {
    "h": 230.233,
    "s": 38.739,
    "l": 56.471
  },
  "oklch": {
    "l": 0.5762,
    "c": 0.11197,
    "h": 274
  },
  "luminance": 0.18616
}

Semantic roles & 50–950 ramp

primary

#6573BB

secondary

#D0CAAC

accent

#BC59CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #6573BB

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

Preview Lab → · Contrast checker → · Palette generator →