#516B91#516B91

#516B91 is a mid, moderate blue. Relative luminance 0.143; OKLCH L 52.3% C 0.068 H 257.8°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#516B91
RGB	rgb(81, 107, 145)
HSL	hsl(216, 28%, 44%)
HSV	hsv(216, 44%, 57%)
CMYK	cmyk(44.1%, 26.2%, 0%, 43.1%)
CIE-LAB	lab(44.67, 1.03, -23.81)
CIE-LCH	lch(44.67, 23.83, 272.47°)
OKLab	oklab(52.31% -0.0144 -0.0663)
OKLCH	oklch(52.31% 0.068 257.8)
XYZ	xyz(13.7602, 14.3082, 28.8193)
Luminance	0.1431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516B91 #917751

analogous

#518B91 #516B91 #575191

triadic

#516B91 #91516B #6B9151

tetradic

#516B91 #91518B #917751 #519157

square

#516B91 #91518B #917751 #519157

split-complementary

#516B91 #915751 #8B9151

monochromatic

#253142 #3B4E6A #516B91 #708AAF #97AAC5

Accessibility & contrast

On white

5.44

#516B91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#516B91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516B91

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516B91	#FFFFFF	#000000	##FFFFFF
##516B91	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6D93

Deuteranopia (green-blind)

#566790

Tritanopia (blue-blind)

#397378

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #516b91;
/* rgb */ color: rgb(81, 107, 145);
/* oklch */ color: oklch(52.3% 0.068 257.8);

Tailwind

colors: {
  custom: {
    50: '#8595b1',
    500: '#516b91',
    950: '#000000',
  },
}

SCSS

$custom: #516b91;
$custom-light: #8595b1;
$custom-dark: #000000;

JSON

{
  "hex": "#516b91",
  "rgb": {
    "r": 81,
    "g": 107,
    "b": 145
  },
  "hsl": {
    "h": 215.625,
    "s": 28.319,
    "l": 44.314
  },
  "oklch": {
    "l": 0.52312,
    "c": 0.06788,
    "h": 257.8
  },
  "luminance": 0.14309
}

Semantic roles & 50–950 ramp

primary

#516B91

secondary

#B2A28C

accent

#9D63C5

background

#F8F9FA

surface

#EFF1F5

border

#CACBCF

text

#0B0D10

muted

#7C7E7F

Preview Lab

Preview with #516B91

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

Preview Lab → · Contrast checker → · Palette generator →