#6573B7#6573B7

#6573B7 is a mid, moderate blue. Relative luminance 0.184; OKLCH L 57.4% C 0.106 H 273.8°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#6573B7
RGB	rgb(101, 115, 183)
HSL	hsl(230, 36%, 56%)
HSV	hsv(230, 45%, 72%)
CMYK	cmyk(44.8%, 37.2%, 0%, 28.2%)
CIE-LAB	lab(50.03, 12.98, -37.62)
CIE-LCH	lch(50.03, 39.79, 289.04°)
OKLab	oklab(57.4% 0.007 -0.1059)
OKLCH	oklch(57.4% 0.106 273.8)
XYZ	xyz(20.0422, 18.4460, 47.2949)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573B7 #B7A965

analogous

#659CB7 #6573B7 #8065B7

triadic

#6573B7 #B76573 #73B765

tetradic

#6573B7 #B7659C #B7A965 #65B780

square

#6573B7 #B7659C #B7A965 #65B780

split-complementary

#6573B7 #B78065 #9CB765

monochromatic

#333D6E #475598 #6573B7 #8F99CA #B8BFDE

Accessibility & contrast

On white

4.48

#6573B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#6573B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573B7

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573B7	#FFFFFF	#000000	##000000
##6573B7	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7BBA

Deuteranopia (green-blind)

#5374B5

Tritanopia (blue-blind)

#48818C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #6573b7;
/* rgb */ color: rgb(101, 115, 183);
/* oklch */ color: oklch(57.4% 0.106 273.8);

Tailwind

colors: {
  custom: {
    50: '#959bcd',
    500: '#6573b7',
    950: '#000000',
  },
}

SCSS

$custom: #6573b7;
$custom-light: #959bcd;
$custom-dark: #000000;

JSON

{
  "hex": "#6573b7",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 183
  },
  "hsl": {
    "h": 229.756,
    "s": 36.283,
    "l": 55.686
  },
  "oklch": {
    "l": 0.574,
    "c": 0.10612,
    "h": 273.8
  },
  "luminance": 0.18447
}

Semantic roles & 50–950 ramp

primary

#6573B7

secondary

#CDC7AB

accent

#B95CCC

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #6573B7

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

Preview Lab → · Contrast checker → · Palette generator →