#51587A#51587A

#51587A is a mid, muted blue. Relative luminance 0.101; OKLCH L 46.8% C 0.056 H 275.1°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#51587A
RGB	rgb(81, 88, 122)
HSL	hsl(230, 20%, 40%)
HSV	hsv(230, 34%, 48%)
CMYK	cmyk(33.6%, 27.9%, 0%, 52.2%)
CIE-LAB	lab(38.08, 6.00, -20.10)
CIE-LCH	lch(38.08, 20.97, 286.63°)
OKLab	oklab(46.84% 0.0049 -0.0557)
OKLCH	oklch(46.84% 0.056 275.1)
XYZ	xyz(10.3949, 10.1336, 19.8169)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51587A #7A7351

analogous

#516D7A #51587A #5F517A

triadic

#51587A #7A5158 #587A51

tetradic

#51587A #7A516D #7A7351 #517A5F

square

#51587A #7A516D #7A7351 #517A5F

split-complementary

#51587A #7A5F51 #6D7A51

monochromatic

#202330 #393D55 #51587A #6B749D #9096B5

Accessibility & contrast

On white

6.94

#51587A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#51587A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51587A

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51587A	#FFFFFF	#000000	##FFFFFF
##51587A	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5B7B

Deuteranopia (green-blind)

#4B5879

Tritanopia (blue-blind)

#465E64

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #51587a;
/* rgb */ color: rgb(81, 88, 122);
/* oklch */ color: oklch(46.8% 0.056 275.1);

Tailwind

colors: {
  custom: {
    50: '#8387a0',
    500: '#51587a',
    950: '#000000',
  },
}

SCSS

$custom: #51587a;
$custom-light: #8387a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51587a",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 122
  },
  "hsl": {
    "h": 229.756,
    "s": 20.197,
    "l": 39.804
  },
  "oklch": {
    "l": 0.46838,
    "c": 0.05593,
    "h": 275.1
  },
  "luminance": 0.10134
}

Semantic roles & 50–950 ramp

primary

#51587A

secondary

#A39D84

accent

#AF6BBD

background

#F8F8F9

surface

#EFEFF2

border

#CACACC

text

#0B0B0E

muted

#7C7C7E

Preview Lab

Preview with #51587A

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

Preview Lab → · Contrast checker → · Palette generator →