#51617E#51617E

#51617E is a mid, muted blue. Relative luminance 0.118; OKLCH L 49.1% C 0.051 H 262.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#51617E
RGB	rgb(81, 97, 126)
HSL	hsl(219, 22%, 41%)
HSV	hsv(219, 36%, 49%)
CMYK	cmyk(35.7%, 23%, 0%, 50.6%)
CIE-LAB	lab(40.90, 1.54, -18.19)
CIE-LCH	lch(40.90, 18.26, 274.84°)
OKLab	oklab(49.1% -0.0069 -0.0503)
OKLCH	oklch(49.1% 0.051 262.1)
XYZ	xyz(11.4328, 11.8046, 21.4107)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51617E #7E6E51

analogous

#51777E #51617E #57517E

triadic

#51617E #7E5161 #617E51

tetradic

#51617E #7E5177 #7E6E51 #517E57

square

#51617E #7E5177 #7E6E51 #517E57

split-complementary

#51617E #7E5751 #777E51

monochromatic

#212833 #394459 #51617E #6C7FA0 #919FB8

Accessibility & contrast

On white

6.25

#51617E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#51617E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #51617E

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51617E	#FFFFFF	#000000	##FFFFFF
##51617E	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57637F

Deuteranopia (green-blind)

#535F7D

Tritanopia (blue-blind)

#43676B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #51617e;
/* rgb */ color: rgb(81, 97, 126);
/* oklch */ color: oklch(49.1% 0.051 262.1);

Tailwind

colors: {
  custom: {
    50: '#838da3',
    500: '#51617e',
    950: '#000000',
  },
}

SCSS

$custom: #51617e;
$custom-light: #838da3;
$custom-dark: #000000;

JSON

{
  "hex": "#51617e",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 126
  },
  "hsl": {
    "h": 218.667,
    "s": 21.739,
    "l": 40.588
  },
  "oklch": {
    "l": 0.49095,
    "c": 0.05078,
    "h": 262.1
  },
  "luminance": 0.11805
}

Semantic roles & 50–950 ramp

primary

#51617E

secondary

#A59A85

accent

#A06ABE

background

#F8F8FA

surface

#EFF0F3

border

#CACBCD

text

#0B0C0F

muted

#7C7D7F

Preview Lab

Preview with #51617E

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

Preview Lab → · Contrast checker → · Palette generator →