#6573BC#6573BC

#6573BC is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.7% C 0.113 H 274.1°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#6573BC
RGB	rgb(101, 115, 188)
HSL	hsl(230, 39%, 57%)
HSV	hsv(230, 46%, 74%)
CMYK	cmyk(46.3%, 38.8%, 0%, 26.3%)
CIE-LAB	lab(50.28, 14.49, -40.10)
CIE-LCH	lch(50.28, 42.64, 289.87°)
OKLab	oklab(57.68% 0.0081 -0.1131)
OKLCH	oklch(57.68% 0.113 274.1)
XYZ	xyz(20.5718, 18.6579, 50.0846)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573BC #BCAE65

analogous

#659FBC #6573BC #8365BC

triadic

#6573BC #BC6573 #73BC65

tetradic

#6573BC #BC659F #BCAE65 #65BC83

square

#6573BC #BC659F #BCAE65 #65BC83

split-complementary

#6573BC #BC8365 #9FBC65

monochromatic

#333D74 #45539F #6573BC #909ACF #BAC1E1

Accessibility & contrast

On white

4.44

#6573BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#6573BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573BC

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573BC	#FFFFFF	#000000	##000000
##6573BC	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587BBF

Deuteranopia (green-blind)

#5074BA

Tritanopia (blue-blind)

#45828E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6573bc;
/* rgb */ color: rgb(101, 115, 188);
/* oklch */ color: oklch(57.7% 0.113 274.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#6573bc",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 188
  },
  "hsl": {
    "h": 230.345,
    "s": 39.367,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57676,
    "c": 0.11343,
    "h": 274.1
  },
  "luminance": 0.18659
}

Semantic roles & 50–950 ramp

primary

#6573BC

secondary

#D0CAAD

accent

#BC59CF

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #6573BC

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

Preview Lab → · Contrast checker → · Palette generator →