#51528D#51528D

#51528D is a mid, moderate blue. Relative luminance 0.097; OKLCH L 46.6% C 0.095 H 281.3°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#51528D
RGB	rgb(81, 82, 141)
HSL	hsl(239, 27%, 44%)
HSV	hsv(239, 43%, 55%)
CMYK	cmyk(42.6%, 41.8%, 0%, 44.7%)
CIE-LAB	lab(37.31, 15.47, -32.92)
CIE-LCH	lch(37.31, 36.37, 295.17°)
OKLab	oklab(46.55% 0.0186 -0.0928)
OKLCH	oklch(46.55% 0.095 281.3)
XYZ	xyz(11.2169, 9.7065, 26.4767)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51528D #8D8C51

analogous

#51708D #51528D #6E518D

triadic

#51528D #8D5152 #528D51

tetradic

#51528D #8D5170 #8D8C51 #518D6E

square

#51528D #8D5170 #8D8C51 #518D6E

split-complementary

#51528D #8D6E51 #708D51

monochromatic

#24253F #3B3B66 #51528D #6F70AC #9697C3

Accessibility & contrast

On white

7.14

#51528D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#51528D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51528D

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51528D	#FFFFFF	#000000	##FFFFFF
##51528D	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5A8F

Deuteranopia (green-blind)

#3A568C

Tritanopia (blue-blind)

#3F5E68

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #51528d;
/* rgb */ color: rgb(81, 82, 141);
/* oklch */ color: oklch(46.6% 0.095 281.3);

Tailwind

colors: {
  custom: {
    50: '#8582ae',
    500: '#51528d',
    950: '#000000',
  },
}

SCSS

$custom: #51528d;
$custom-light: #8582ae;
$custom-dark: #000000;

JSON

{
  "hex": "#51528d",
  "rgb": {
    "r": 81,
    "g": 82,
    "b": 141
  },
  "hsl": {
    "h": 239,
    "s": 27.027,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46552,
    "c": 0.09461,
    "h": 281.3
  },
  "luminance": 0.09707
}

Semantic roles & 50–950 ramp

primary

#51528D

secondary

#AFAF8A

accent

#C264C3

background

#F8F7FA

surface

#EFEEF4

border

#CAC9CE

text

#0B0A10

muted

#7C7C7F

Preview Lab

Preview with #51528D

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

Preview Lab → · Contrast checker → · Palette generator →