#51669A#51669A

#51669A is a mid, moderate blue. Relative luminance 0.136; OKLCH L 51.6% C 0.087 H 266.7°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#51669A
RGB	rgb(81, 102, 154)
HSL	hsl(223, 31%, 46%)
HSV	hsv(223, 47%, 60%)
CMYK	cmyk(47.4%, 33.8%, 0%, 39.6%)
CIE-LAB	lab(43.63, 6.88, -30.78)
CIE-LCH	lch(43.63, 31.54, 282.59°)
OKLab	oklab(51.64% -0.0051 -0.0865)
OKLCH	oklch(51.64% 0.087 266.7)
XYZ	xyz(13.9756, 13.5843, 32.4512)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51669A #9A8551

analogous

#518A9A #51669A #60519A

triadic

#51669A #9A5166 #669A51

tetradic

#51669A #9A518A #9A8551 #519A60

square

#51669A #9A518A #9A8551 #519A60

split-complementary

#51669A #9A6051 #8A9A51

monochromatic

#27314A #3C4B72 #51669A #7386B5 #9BA9CA

Accessibility & contrast

On white

5.65

#51669A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#51669A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51669A

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51669A	#FFFFFF	#000000	##FFFFFF
##51669A	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#536B9C

Deuteranopia (green-blind)

#4B6499

Tritanopia (blue-blind)

#357179

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #51669a;
/* rgb */ color: rgb(81, 102, 154);
/* oklch */ color: oklch(51.6% 0.087 266.7);

Tailwind

colors: {
  custom: {
    50: '#8691b8',
    500: '#51669a',
    950: '#000000',
  },
}

SCSS

$custom: #51669a;
$custom-light: #8691b8;
$custom-dark: #000000;

JSON

{
  "hex": "#51669a",
  "rgb": {
    "r": 81,
    "g": 102,
    "b": 154
  },
  "hsl": {
    "h": 222.74,
    "s": 31.064,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51637,
    "c": 0.08663,
    "h": 266.7
  },
  "luminance": 0.13585
}

Semantic roles & 50–950 ramp

primary

#51669A

secondary

#B7AC8F

accent

#AA61C7

background

#F8F8FB

surface

#F0F0F6

border

#CBCBD0

text

#0B0C11

muted

#7C7D80

Preview Lab

Preview with #51669A

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

Preview Lab → · Contrast checker → · Palette generator →