#516EB7#516EB7

#516EB7 is a mid, moderate blue. Relative luminance 0.163; OKLCH L 55.0% C 0.119 H 266.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#516EB7
RGB	rgb(81, 110, 183)
HSL	hsl(223, 41%, 52%)
HSV	hsv(223, 56%, 72%)
CMYK	cmyk(55.7%, 39.9%, 0%, 28.2%)
CIE-LAB	lab(47.39, 11.29, -41.88)
CIE-LCH	lch(47.39, 43.37, 285.09°)
OKLab	oklab(55.03% -0.0078 -0.1188)
OKLCH	oklch(55.03% 0.119 266.2)
XYZ	xyz(17.5136, 16.3188, 47.0175)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516EB7 #B79A51

analogous

#51A1B7 #516EB7 #6751B7

triadic

#516EB7 #B7516E #6EB751

tetradic

#516EB7 #B751A1 #B79A51 #51B767

square

#516EB7 #B751A1 #B79A51 #51B767

split-complementary

#516EB7 #B76751 #A1B751

monochromatic

#293A64 #3B538F #516EB7 #7C92C9 #A8B6DB

Accessibility & contrast

On white

4.92

#516EB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#516EB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516EB7

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516EB7	#FFFFFF	#000000	##FFFFFF
##516EB7	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5075BA

Deuteranopia (green-blind)

#436CB5

Tritanopia (blue-blind)

#137E89

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516eb7;
/* rgb */ color: rgb(81, 110, 183);
/* oklch */ color: oklch(55.0% 0.119 266.2);

Tailwind

colors: {
  custom: {
    50: '#8997cd',
    500: '#516eb7',
    950: '#000000',
  },
}

SCSS

$custom: #516eb7;
$custom-light: #8997cd;
$custom-dark: #000000;

JSON

{
  "hex": "#516eb7",
  "rgb": {
    "r": 81,
    "g": 110,
    "b": 183
  },
  "hsl": {
    "h": 222.941,
    "s": 41.463,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55033,
    "c": 0.11902,
    "h": 266.2
  },
  "luminance": 0.1632
}

Semantic roles & 50–950 ramp

primary

#516EB7

secondary

#C8BC9C

accent

#AE57D1

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0D13

muted

#7D7E82

Preview Lab

Preview with #516EB7

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

Preview Lab → · Contrast checker → · Palette generator →