#6573BF#6573BF

#6573BF is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.8% C 0.118 H 274.3°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#6573BF
RGB	rgb(101, 115, 191)
HSL	hsl(231, 41%, 57%)
HSV	hsv(231, 47%, 75%)
CMYK	cmyk(47.1%, 39.8%, 0%, 25.1%)
CIE-LAB	lab(50.44, 15.41, -41.59)
CIE-LCH	lch(50.44, 44.35, 290.33°)
OKLab	oklab(57.85% 0.0087 -0.1175)
OKLCH	oklch(57.85% 0.118 274.3)
XYZ	xyz(20.8986, 18.7886, 51.8055)
Luminance	0.1879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6573BF #BFB165

analogous

#65A0BF #6573BF #8465BF

triadic

#6573BF #BF6573 #73BF65

tetradic

#6573BF #BF65A0 #BFB165 #65BF84

square

#6573BF #BF65A0 #BFB165 #65BF84

split-complementary

#6573BF #BF8465 #A0BF65

monochromatic

#323D78 #4453A3 #6573BF #909AD1 #BBC2E3

Accessibility & contrast

On white

4.41

#6573BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#6573BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6573BF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6573BF	#FFFFFF	#000000	##000000
##6573BF	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#567CC2

Deuteranopia (green-blind)

#4E75BD

Tritanopia (blue-blind)

#448390

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6573bf;
/* rgb */ color: rgb(101, 115, 191);
/* oklch */ color: oklch(57.8% 0.118 274.3);

Tailwind

colors: {
  custom: {
    50: '#969bd2',
    500: '#6573bf',
    950: '#000000',
  },
}

SCSS

$custom: #6573bf;
$custom-light: #969bd2;
$custom-dark: #000000;

JSON

{
  "hex": "#6573bf",
  "rgb": {
    "r": 101,
    "g": 115,
    "b": 191
  },
  "hsl": {
    "h": 230.667,
    "s": 41.284,
    "l": 57.255
  },
  "oklch": {
    "l": 0.57845,
    "c": 0.11778,
    "h": 274.3
  },
  "luminance": 0.1879
}

Semantic roles & 50–950 ramp

primary

#6573BF

secondary

#D2CCAE

accent

#BE57D1

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0E0E14

muted

#7E7E82

Preview Lab

Preview with #6573BF

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

Preview Lab → · Contrast checker → · Palette generator →