#51699A#51699A

#51699A is a mid, moderate blue. Relative luminance 0.142; OKLCH L 52.3% C 0.083 H 263.8°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#51699A
RGB	rgb(81, 105, 154)
HSL	hsl(220, 31%, 46%)
HSV	hsv(220, 47%, 60%)
CMYK	cmyk(47.4%, 31.8%, 0%, 39.6%)
CIE-LAB	lab(44.50, 5.02, -29.43)
CIE-LCH	lch(44.50, 29.85, 279.68°)
OKLab	oklab(52.31% -0.0089 -0.0825)
OKLCH	oklch(52.31% 0.083 263.8)
XYZ	xyz(14.2758, 14.1847, 32.5513)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51699A #9A8251

analogous

#518D9A #51699A #5D519A

triadic

#51699A #9A5169 #699A51

tetradic

#51699A #9A518D #9A8251 #519A5D

square

#51699A #9A518D #9A8251 #519A5D

split-complementary

#51699A #9A5D51 #8D9A51

monochromatic

#27324A #3C4E72 #51699A #7389B5 #9BABCA

Accessibility & contrast

On white

5.47

#51699A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#51699A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51699A

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51699A	#FFFFFF	#000000	##FFFFFF
##51699A	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576D9C

Deuteranopia (green-blind)

#4F6699

Tritanopia (blue-blind)

#34737A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #51699a;
/* rgb */ color: rgb(81, 105, 154);
/* oklch */ color: oklch(52.3% 0.083 263.8);

Tailwind

colors: {
  custom: {
    50: '#8693b8',
    500: '#51699a',
    950: '#000000',
  },
}

SCSS

$custom: #51699a;
$custom-light: #8693b8;
$custom-dark: #000000;

JSON

{
  "hex": "#51699a",
  "rgb": {
    "r": 81,
    "g": 105,
    "b": 154
  },
  "hsl": {
    "h": 220.274,
    "s": 31.064,
    "l": 46.078
  },
  "oklch": {
    "l": 0.5231,
    "c": 0.08302,
    "h": 263.8
  },
  "luminance": 0.14186
}

Semantic roles & 50–950 ramp

primary

#51699A

secondary

#B7AA8F

accent

#A561C7

background

#F8F9FB

surface

#F0F1F6

border

#CBCBD0

text

#0B0D11

muted

#7C7E80

Preview Lab

Preview with #51699A

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

Preview Lab → · Contrast checker → · Palette generator →