#515166#515166

#515166 is a dark, muted blue. Relative luminance 0.086; OKLCH L 44.3% C 0.034 H 284.9°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#515166
RGB	rgb(81, 81, 102)
HSL	hsl(240, 11%, 36%)
HSV	hsv(240, 21%, 40%)
CMYK	cmyk(20.6%, 20.6%, 0%, 60%)
CIE-LAB	lab(35.19, 4.98, -12.12)
CIE-LCH	lch(35.19, 13.11, 292.34°)
OKLab	oklab(44.31% 0.0088 -0.0331)
OKLCH	oklch(44.31% 0.034 284.9)
XYZ	xyz(8.7335, 8.5934, 13.7664)
Luminance	0.0859 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#515166 #666651

analogous

#515B66 #515166 #5B5166

triadic

#515166 #665151 #516651

tetradic

#515166 #66515B #666651 #51665B

square

#515166 #66515B #666651 #51665B

split-complementary

#515166 #665B51 #5B6651

monochromatic

#1B1B22 #363644 #515166 #6C6C88 #8D8DA4

Accessibility & contrast

On white

7.72

#515166 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#515166 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #515166

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##515166	#FFFFFF	#000000	##FFFFFF
##515166	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5367

Deuteranopia (green-blind)

#4B5265

Tritanopia (blue-blind)

#4D5558

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #515166;
/* rgb */ color: rgb(81, 81, 102);
/* oklch */ color: oklch(44.3% 0.034 284.9);

Tailwind

colors: {
  custom: {
    50: '#828191',
    500: '#515166',
    950: '#000000',
  },
}

SCSS

$custom: #515166;
$custom-light: #828191;
$custom-dark: #000000;

JSON

{
  "hex": "#515166",
  "rgb": {
    "r": 81,
    "g": 81,
    "b": 102
  },
  "hsl": {
    "h": 240,
    "s": 11.475,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44313,
    "c": 0.03425,
    "h": 284.9
  },
  "luminance": 0.08593
}

Semantic roles & 50–950 ramp

primary

#515166

secondary

#939380

accent

#B473B4

background

#F7F7F8

surface

#EEEEF0

border

#C9C9CB

text

#0A0A0C

muted

#7C7C7D

Preview Lab

Preview with #515166

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

Preview Lab → · Contrast checker → · Palette generator →