#5151D6#5151D6

#5151D6 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.6% C 0.199 H 276.9°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#5151D6
RGB	rgb(81, 81, 214)
HSL	hsl(240, 62%, 58%)
HSV	hsv(240, 62%, 84%)
CMYK	cmyk(62.1%, 62.1%, 0%, 16.1%)
CIE-LAB	lab(41.98, 39.69, -68.47)
CIE-LCH	lch(41.98, 79.14, 300.10°)
OKLab	oklab(51.61% 0.0238 -0.1972)
OKLCH	oklch(51.61% 0.199 276.9)
XYZ	xyz(18.4694, 12.4878, 65.0424)
Luminance	0.1249 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5151D6 #D6D651

analogous

#5193D6 #5151D6 #9351D6

triadic

#5151D6 #D65151 #51D651

tetradic

#5151D6 #D65193 #D6D651 #51D693

square

#5151D6 #D65193 #D6D651 #51D693

split-complementary

#5151D6 #D69351 #93D651

monochromatic

#21218C #2D2DBD #5151D6 #8383E2 #B4B4ED

Accessibility & contrast

On white

6.00

#5151D6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#5151D6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5151D6

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5151D6	#FFFFFF	#000000	##FFFFFF
##5151D6	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069DA

Deuteranopia (green-blind)

#005DD3

Tritanopia (blue-blind)

#00728C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5151d6;
/* rgb */ color: rgb(81, 81, 214);
/* oklch */ color: oklch(51.6% 0.199 276.9);

Tailwind

colors: {
  custom: {
    50: '#9082e4',
    500: '#5151d6',
    950: '#000000',
  },
}

SCSS

$custom: #5151d6;
$custom-light: #9082e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5151d6",
  "rgb": {
    "r": 81,
    "g": 81,
    "b": 214
  },
  "hsl": {
    "h": 240,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.51608,
    "c": 0.19862,
    "h": 276.9
  },
  "luminance": 0.12489
}

Semantic roles & 50–950 ramp

primary

#5151D6

secondary

#DCDCA7

accent

#E543E5

background

#F9F8FE

surface

#F2EFFC

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #5151D6

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

Preview Lab → · Contrast checker → · Palette generator →