#6578A4#6578A4

#6578A4 is a mid, moderate blue. Relative luminance 0.189; OKLCH L 57.5% C 0.072 H 266.2°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#6578A4
RGB	rgb(101, 120, 164)
HSL	hsl(222, 26%, 52%)
HSV	hsv(222, 38%, 64%)
CMYK	cmyk(38.4%, 26.8%, 0%, 35.7%)
CIE-LAB	lab(50.55, 4.40, -25.79)
CIE-LCH	lch(50.55, 26.16, 279.68°)
OKLab	oklab(57.51% -0.0048 -0.0717)
OKLCH	oklch(57.51% 0.072 266.2)
XYZ	xyz(18.7821, 18.8791, 37.7691)
Luminance	0.1888 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6578A4 #A49165

analogous

#6598A4 #6578A4 #7265A4

triadic

#6578A4 #A46578 #78A465

tetradic

#6578A4 #A46598 #A49165 #65A472

square

#6578A4 #A46598 #A49165 #65A472

split-complementary

#6578A4 #A47265 #98A465

monochromatic

#35405A #4C5C80 #6578A4 #8B9ABB #B2BBD1

Accessibility & contrast

On white

4.40

#6578A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#6578A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6578A4

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6578A4	#FFFFFF	#000000	##000000
##6578A4	1.00	4.40	4.78	4.78
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697BA6

Deuteranopia (green-blind)

#6376A3

Tritanopia (blue-blind)

#518187

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6578a4;
/* rgb */ color: rgb(101, 120, 164);
/* oklch */ color: oklch(57.5% 0.072 266.2);

Tailwind

colors: {
  custom: {
    50: '#939ebf',
    500: '#6578a4',
    950: '#000000',
  },
}

SCSS

$custom: #6578a4;
$custom-light: #939ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#6578a4",
  "rgb": {
    "r": 101,
    "g": 120,
    "b": 164
  },
  "hsl": {
    "h": 221.905,
    "s": 25.714,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5751,
    "c": 0.07188,
    "h": 266.2
  },
  "luminance": 0.1888
}

Semantic roles & 50–950 ramp

primary

#6578A4

secondary

#C0B8A5

accent

#A666C2

background

#F9F9FB

surface

#F1F2F7

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #6578A4

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

Preview Lab → · Contrast checker → · Palette generator →