#51609C#51609C

#51609C is a mid, moderate blue. Relative luminance 0.125; OKLCH L 50.4% C 0.097 H 271.9°. Best body text is #FFFFFF at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#51609C
RGB	rgb(81, 96, 156)
HSL	hsl(228, 32%, 46%)
HSV	hsv(228, 48%, 61%)
CMYK	cmyk(48.1%, 38.5%, 0%, 38.8%)
CIE-LAB	lab(42.02, 11.26, -34.50)
CIE-LCH	lch(42.02, 36.29, 288.08°)
OKLab	oklab(50.43% 0.0032 -0.0973)
OKLCH	oklch(50.43% 0.097 271.9)
XYZ	xyz(13.5751, 12.5146, 33.1463)
Luminance	0.1252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51609C #9C8D51

analogous

#51869C #51609C #68519C

triadic

#51609C #9C5160 #609C51

tetradic

#51609C #9C5186 #9C8D51 #519C68

square

#51609C #9C5186 #9C8D51 #519C68

split-complementary

#51609C #9C6851 #869C51

monochromatic

#272E4B #3C4774 #51609C #7481B7 #9CA5CC

Accessibility & contrast

On white

5.99

#51609C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#51609C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51609C

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51609C	#FFFFFF	#000000	##FFFFFF
##51609C	1.00	5.99	3.50	5.99
#FFFFFF	5.99	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	5.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49679E

Deuteranopia (green-blind)

#42609B

Tritanopia (blue-blind)

#346D76

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #51609c;
/* rgb */ color: rgb(81, 96, 156);
/* oklch */ color: oklch(50.4% 0.097 271.9);

Tailwind

colors: {
  custom: {
    50: '#868cb9',
    500: '#51609c',
    950: '#000000',
  },
}

SCSS

$custom: #51609c;
$custom-light: #868cb9;
$custom-dark: #000000;

JSON

{
  "hex": "#51609c",
  "rgb": {
    "r": 81,
    "g": 96,
    "b": 156
  },
  "hsl": {
    "h": 228,
    "s": 31.646,
    "l": 46.471
  },
  "oklch": {
    "l": 0.50427,
    "c": 0.09737,
    "h": 271.9
  },
  "luminance": 0.12515
}

Semantic roles & 50–950 ramp

primary

#51609C

secondary

#B8B090

accent

#B360C8

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0C11

muted

#7C7D80

Preview Lab

Preview with #51609C

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

Preview Lab → · Contrast checker → · Palette generator →