#5156DD#5156DD

#5156DD is a mid, highly saturated blue. Relative luminance 0.136; OKLCH L 53.0% C 0.202 H 275.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#5156DD
RGB	rgb(81, 86, 221)
HSL	hsl(238, 67%, 59%)
HSV	hsv(238, 63%, 87%)
CMYK	cmyk(63.3%, 61.1%, 0%, 13.3%)
CIE-LAB	lab(43.69, 38.96, -69.69)
CIE-LCH	lch(43.69, 79.84, 299.21°)
OKLab	oklab(53.03% 0.0193 -0.2007)
OKLCH	oklch(53.03% 0.202 275.5)
XYZ	xyz(19.7680, 13.6237, 69.9805)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156DD #DDD851

analogous

#519CDD #5156DD #9251DD

triadic

#5156DD #DD5156 #56DD51

tetradic

#5156DD #DD519C #DDD851 #51DD92

square

#5156DD #DD519C #DDD851 #51DD92

split-complementary

#5156DD #DD9251 #9CDD51

monochromatic

#1D2296 #272DC9 #5156DD #8488E7 #B7B9F1

Accessibility & contrast

On white

5.64

#5156DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#5156DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156DD

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156DD	#FFFFFF	#000000	##FFFFFF
##5156DD	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DE1

Deuteranopia (green-blind)

#0061DA

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #5156dd;
/* rgb */ color: rgb(81, 86, 221);
/* oklch */ color: oklch(53.0% 0.202 275.5);

Tailwind

colors: {
  custom: {
    50: '#9186e9',
    500: '#5156dd',
    950: '#000000',
  },
}

SCSS

$custom: #5156dd;
$custom-light: #9186e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5156dd",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 221
  },
  "hsl": {
    "h": 237.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.53033,
    "c": 0.20164,
    "h": 275.5
  },
  "luminance": 0.13625
}

Semantic roles & 50–950 ramp

primary

#5156DD

secondary

#E0DEAA

accent

#E43EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5156DD

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

Preview Lab → · Contrast checker → · Palette generator →