#516A9B#516A9B

#516A9B is a mid, moderate blue. Relative luminance 0.144; OKLCH L 52.6% C 0.083 H 263.1°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#516A9B
RGB	rgb(81, 106, 155)
HSL	hsl(220, 31%, 46%)
HSV	hsv(220, 48%, 61%)
CMYK	cmyk(47.7%, 31.6%, 0%, 39.2%)
CIE-LAB	lab(44.83, 4.72, -29.49)
CIE-LCH	lch(44.83, 29.87, 279.09°)
OKLab	oklab(52.59% -0.01 -0.0827)
OKLCH	oklch(52.59% 0.083 263.1)
XYZ	xyz(14.4618, 14.4230, 33.0259)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516A9B #9B8251

analogous

#518F9B #516A9B #5D519B

triadic

#516A9B #9B516A #6A9B51

tetradic

#516A9B #9B518F #9B8251 #519B5D

square

#516A9B #9B518F #9B8251 #519B5D

split-complementary

#516A9B #9B5D51 #8F9B51

monochromatic

#27334B #3C4F73 #516A9B #738AB6 #9BABCB

Accessibility & contrast

On white

5.41

#516A9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#516A9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516A9B

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516A9B	#FFFFFF	#000000	##FFFFFF
##516A9B	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#586E9D

Deuteranopia (green-blind)

#50679A

Tritanopia (blue-blind)

#33747B

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #516a9b;
/* rgb */ color: rgb(81, 106, 155);
/* oklch */ color: oklch(52.6% 0.083 263.1);

Tailwind

colors: {
  custom: {
    50: '#8694b8',
    500: '#516a9b',
    950: '#000000',
  },
}

SCSS

$custom: #516a9b;
$custom-light: #8694b8;
$custom-dark: #000000;

JSON

{
  "hex": "#516a9b",
  "rgb": {
    "r": 81,
    "g": 106,
    "b": 155
  },
  "hsl": {
    "h": 219.73,
    "s": 31.356,
    "l": 46.275
  },
  "oklch": {
    "l": 0.52588,
    "c": 0.08332,
    "h": 263.1
  },
  "luminance": 0.14424
}

Semantic roles & 50–950 ramp

primary

#516A9B

secondary

#B8AA90

accent

#A560C8

background

#F8F9FB

surface

#F0F1F6

border

#CBCBD0

text

#0B0D11

muted

#7C7E80

Preview Lab

Preview with #516A9B

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

Preview Lab → · Contrast checker → · Palette generator →