#51617C#51617C

#51617C is a mid, muted blue. Relative luminance 0.118; OKLCH L 49.0% C 0.048 H 260.8°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#51617C
RGB	rgb(81, 97, 124)
HSL	hsl(218, 21%, 40%)
HSV	hsv(218, 35%, 49%)
CMYK	cmyk(34.7%, 21.8%, 0%, 51.4%)
CIE-LAB	lab(40.82, 0.97, -17.10)
CIE-LCH	lch(40.82, 17.13, 273.26°)
OKLab	oklab(49% -0.0077 -0.0472)
OKLCH	oklch(49% 0.048 260.8)
XYZ	xyz(11.3050, 11.7535, 20.7379)
Luminance	0.1175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51617C #7C6C51

analogous

#51777C #51617C #56517C

triadic

#51617C #7C5161 #617C51

tetradic

#51617C #7C5177 #7C6C51 #517C56

square

#51617C #7C5177 #7C6C51 #517C56

split-complementary

#51617C #7C5651 #777C51

monochromatic

#212732 #394457 #51617C #6C7F9F #919FB7

Accessibility & contrast

On white

6.27

#51617C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#51617C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51617C

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51617C	#FFFFFF	#000000	##FFFFFF
##51617C	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58627D

Deuteranopia (green-blind)

#535E7B

Tritanopia (blue-blind)

#44676A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #51617c;
/* rgb */ color: rgb(81, 97, 124);
/* oklch */ color: oklch(49.0% 0.048 260.8);

Tailwind

colors: {
  custom: {
    50: '#838da2',
    500: '#51617c',
    950: '#000000',
  },
}

SCSS

$custom: #51617c;
$custom-light: #838da2;
$custom-dark: #000000;

JSON

{
  "hex": "#51617c",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 124
  },
  "hsl": {
    "h": 217.674,
    "s": 20.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49004,
    "c": 0.04783,
    "h": 260.8
  },
  "luminance": 0.11754
}

Semantic roles & 50–950 ramp

primary

#51617C

secondary

#A49885

accent

#9F6ABE

background

#F8F8F9

surface

#EFF0F2

border

#CACBCC

text

#0B0C0F

muted

#7C7D7E

Preview Lab

Preview with #51617C

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

Preview Lab → · Contrast checker → · Palette generator →