#51548D#51548D

#51548D is a mid, moderate blue. Relative luminance 0.100; OKLCH L 47.0% C 0.092 H 280.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#51548D
RGB	rgb(81, 84, 141)
HSL	hsl(237, 27%, 44%)
HSV	hsv(237, 43%, 55%)
CMYK	cmyk(42.6%, 40.4%, 0%, 44.7%)
CIE-LAB	lab(37.87, 14.19, -32.04)
CIE-LCH	lch(37.87, 35.04, 293.88°)
OKLab	oklab(46.98% 0.0158 -0.0902)
OKLCH	oklch(46.98% 0.092 280)
XYZ	xyz(11.3700, 10.0126, 26.5277)
Luminance	0.1001 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51548D #8D8A51

analogous

#51728D #51548D #6C518D

triadic

#51548D #8D5154 #548D51

tetradic

#51548D #8D5172 #8D8A51 #518D6C

square

#51548D #8D5172 #8D8A51 #518D6C

split-complementary

#51548D #8D6C51 #728D51

monochromatic

#24263F #3B3D66 #51548D #6F72AC #9698C3

Accessibility & contrast

On white

6.99

#51548D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#51548D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51548D

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51548D	#FFFFFF	#000000	##FFFFFF
##51548D	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405B8F

Deuteranopia (green-blind)

#3C578C

Tritanopia (blue-blind)

#3E5F69

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #51548d;
/* rgb */ color: rgb(81, 84, 141);
/* oklch */ color: oklch(47.0% 0.092 280.0);

Tailwind

colors: {
  custom: {
    50: '#8584ae',
    500: '#51548d',
    950: '#000000',
  },
}

SCSS

$custom: #51548d;
$custom-light: #8584ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51548d",
  "rgb": {
    "r": 81,
    "g": 84,
    "b": 141
  },
  "hsl": {
    "h": 237,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46975,
    "c": 0.09159,
    "h": 280
  },
  "luminance": 0.10013
}

Semantic roles & 50–950 ramp

primary

#51548D

secondary

#AFAE8A

accent

#BF64C3

background

#F8F8FA

surface

#EFEFF4

border

#CACACE

text

#0B0A10

muted

#7C7C7F

Preview Lab

Preview with #51548D

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

Preview Lab → · Contrast checker → · Palette generator →