#6578A3#6578A3

#6578A3 is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.5% C 0.070 H 265.8°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#6578A3
RGB	rgb(101, 120, 163)
HSL	hsl(222, 25%, 52%)
HSV	hsv(222, 38%, 64%)
CMYK	cmyk(38%, 26.4%, 0%, 36.1%)
CIE-LAB	lab(50.50, 4.11, -25.28)
CIE-LCH	lch(50.50, 25.61, 279.25°)
OKLab	oklab(57.46% -0.0051 -0.0702)
OKLCH	oklch(57.46% 0.07 265.8)
XYZ	xyz(18.6922, 18.8431, 37.2954)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6578A3 #A39065

analogous

#6597A3 #6578A3 #7165A3

triadic

#6578A3 #A36578 #78A365

tetradic

#6578A3 #A36597 #A39065 #65A371

square

#6578A3 #A36597 #A39065 #65A371

split-complementary

#6578A3 #A37165 #97A365

monochromatic

#354059 #4C5C7F #6578A3 #8B9ABA #B2BBD1

Accessibility & contrast

On white

4.40

#6578A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#6578A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6578A3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6578A3	#FFFFFF	#000000	##000000
##6578A3	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697BA5

Deuteranopia (green-blind)

#6376A2

Tritanopia (blue-blind)

#528187

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #6578a3;
/* rgb */ color: rgb(101, 120, 163);
/* oklch */ color: oklch(57.5% 0.070 265.8);

Tailwind

colors: {
  custom: {
    50: '#939ebe',
    500: '#6578a3',
    950: '#000000',
  },
}

SCSS

$custom: #6578a3;
$custom-light: #939ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#6578a3",
  "rgb": {
    "r": 101,
    "g": 120,
    "b": 163
  },
  "hsl": {
    "h": 221.613,
    "s": 25.203,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57463,
    "c": 0.07043,
    "h": 265.8
  },
  "luminance": 0.18844
}

Semantic roles & 50–950 ramp

primary

#6578A3

secondary

#C0B7A4

accent

#A666C2

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #6578A3

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

Preview Lab → · Contrast checker → · Palette generator →