#516CC1#516CC1

#516CC1 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.2% C 0.136 H 268.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#516CC1
RGB	rgb(81, 108, 193)
HSL	hsl(226, 47%, 54%)
HSV	hsv(226, 58%, 76%)
CMYK	cmyk(58%, 44%, 0%, 24.3%)
CIE-LAB	lab(47.40, 15.87, -47.65)
CIE-LCH	lch(47.40, 50.22, 288.42°)
OKLab	oklab(55.22% -0.0037 -0.1357)
OKLCH	oklch(55.22% 0.136 268.4)
XYZ	xyz(18.3783, 16.3233, 52.6240)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#516CC1 #C1A651

analogous

#51A4C1 #516CC1 #6E51C1

triadic

#516CC1 #C1516C #6CC151

tetradic

#516CC1 #C151A4 #C1A651 #51C16E

square

#516CC1 #C151A4 #C1A651 #51C16E

split-complementary

#516CC1 #C16E51 #A4C151

monochromatic

#283970 #38509D #516CC1 #7E92D1 #ABB8E1

Accessibility & contrast

On white

4.92

#516CC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#516CC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #516CC1

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##516CC1	#FFFFFF	#000000	##FFFFFF
##516CC1	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)

#4676C4

Deuteranopia (green-blind)

#376CBF

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #516cc1;
/* rgb */ color: rgb(81, 108, 193);
/* oklch */ color: oklch(55.2% 0.136 268.4);

Tailwind

colors: {
  custom: {
    50: '#8b95d4',
    500: '#516cc1',
    950: '#000000',
  },
}

SCSS

$custom: #516cc1;
$custom-light: #8b95d4;
$custom-dark: #000000;

JSON

{
  "hex": "#516cc1",
  "rgb": {
    "r": 81,
    "g": 108,
    "b": 193
  },
  "hsl": {
    "h": 225.536,
    "s": 47.458,
    "l": 53.725
  },
  "oklch": {
    "l": 0.55219,
    "c": 0.13575,
    "h": 268.4
  },
  "luminance": 0.16325
}

Semantic roles & 50–950 ramp

primary

#516CC1

secondary

#CFC39F

accent

#B751D7

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #516CC1

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

Preview Lab → · Contrast checker → · Palette generator →