#6573AB#6573AB

#6573AB is a mid, moderate blue. Relative luminance 0.180; OKLCH L 56.8% C 0.088 H 272.6°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#6573AB
RGB	rgb(101, 115, 171)
HSL	hsl(228, 29%, 53%)
HSV	hsv(228, 41%, 67%)
CMYK	cmyk(40.9%, 32.7%, 0%, 32.9%)
CIE-LAB	lab(49.46, 9.42, -31.56)
CIE-LCH	lch(49.46, 32.94, 286.62°)
OKLab	oklab(56.77% 0.004 -0.0883)
OKLCH	oklch(56.77% 0.088 272.6)
XYZ	xyz(18.8460, 17.9676, 40.9952)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573AB #AB9D65

analogous

#6596AB #6573AB #7A65AB

triadic

#6573AB #AB6573 #73AB65

tetradic

#6573AB #AB6596 #AB9D65 #65AB7A

square

#6573AB #AB6596 #AB9D65 #65AB7A

split-complementary

#6573AB #AB7A65 #96AB65

monochromatic

#353E61 #4A5788 #6573AB #8D97C1 #B4BBD6

Accessibility & contrast

On white

4.57

#6573AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#6573AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573AB

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573AB	#FFFFFF	#000000	##000000
##6573AB	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6079AD

Deuteranopia (green-blind)

#5A73AA

Tritanopia (blue-blind)

#4F7E87

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #6573ab;
/* rgb */ color: rgb(101, 115, 171);
/* oklch */ color: oklch(56.8% 0.088 272.6);

Tailwind

colors: {
  custom: {
    50: '#949bc4',
    500: '#6573ab',
    950: '#000000',
  },
}

SCSS

$custom: #6573ab;
$custom-light: #949bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#6573ab",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 171
  },
  "hsl": {
    "h": 228,
    "s": 29.412,
    "l": 53.333
  },
  "oklch": {
    "l": 0.56766,
    "c": 0.08842,
    "h": 272.6
  },
  "luminance": 0.17968
}

Semantic roles & 50–950 ramp

primary

#6573AB

secondary

#C5BFA7

accent

#B262C6

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #6573AB

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

Preview Lab → · Contrast checker → · Palette generator →