#6573B2#6573B2

#6573B2 is a mid, moderate blue. Relative luminance 0.182; OKLCH L 57.1% C 0.099 H 273.4°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#6573B2
RGB	rgb(101, 115, 178)
HSL	hsl(229, 33%, 55%)
HSV	hsv(229, 43%, 70%)
CMYK	cmyk(43.3%, 35.4%, 0%, 30.2%)
CIE-LAB	lab(49.79, 11.48, -35.11)
CIE-LCH	lch(49.79, 36.94, 288.11°)
OKLab	oklab(57.13% 0.0058 -0.0986)
OKLCH	oklch(57.13% 0.099 273.4)
XYZ	xyz(19.5310, 18.2415, 44.6027)
Luminance	0.1824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573B2 #B2A465

analogous

#659AB2 #6573B2 #7E65B2

triadic

#6573B2 #B26573 #73B265

tetradic

#6573B2 #B2659A #B2A465 #65B27E

square

#6573B2 #B2659A #B2A465 #65B27E

split-complementary

#6573B2 #B27E65 #9AB265

monochromatic

#343E68 #495691 #6573B2 #8E98C6 #B7BDDB

Accessibility & contrast

On white

4.52

#6573B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#6573B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573B2

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573B2	#FFFFFF	#000000	##000000
##6573B2	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D7AB5

Deuteranopia (green-blind)

#5673B1

Tritanopia (blue-blind)

#4B808A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6573b2;
/* rgb */ color: rgb(101, 115, 178);
/* oklch */ color: oklch(57.1% 0.099 273.4);

Tailwind

colors: {
  custom: {
    50: '#949bc9',
    500: '#6573b2',
    950: '#000000',
  },
}

SCSS

$custom: #6573b2;
$custom-light: #949bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#6573b2",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 178
  },
  "hsl": {
    "h": 229.091,
    "s": 33.333,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57131,
    "c": 0.09877,
    "h": 273.4
  },
  "luminance": 0.18243
}

Semantic roles & 50–950 ramp

primary

#6573B2

secondary

#CAC4A9

accent

#B65EC9

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #6573B2

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

Preview Lab → · Contrast checker → · Palette generator →