#5156BD#5156BD

#5156BD is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.6% C 0.159 H 277.0°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#5156BD
RGB	rgb(81, 86, 189)
HSL	hsl(237, 45%, 53%)
HSV	hsv(237, 57%, 74%)
CMYK	cmyk(57.1%, 54.5%, 0%, 25.9%)
CIE-LAB	lab(41.34, 28.37, -55.05)
CIE-LCH	lch(41.34, 61.93, 297.26°)
OKLab	oklab(50.55% 0.0194 -0.1577)
OKLCH	oklch(50.55% 0.159 277)
XYZ	xyz(15.9035, 12.0779, 49.6275)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156BD #BDB851

analogous

#518CBD #5156BD #8251BD

triadic

#5156BD #BD5156 #56BD51

tetradic

#5156BD #BD518C #BDB851 #51BD82

square

#5156BD #BD518C #BDB851 #51BD82

split-complementary

#5156BD #BD8251 #8CBD51

monochromatic

#292C6B #393E97 #5156BD #7D81CE #AAACDF

Accessibility & contrast

On white

6.15

#5156BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#5156BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156BD

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156BD	#FFFFFF	#000000	##FFFFFF
##5156BD	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1266C1

Deuteranopia (green-blind)

#005DBB

Tritanopia (blue-blind)

#106E81

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #5156bd;
/* rgb */ color: rgb(81, 86, 189);
/* oklch */ color: oklch(50.6% 0.159 277.0);

Tailwind

colors: {
  custom: {
    50: '#8b85d2',
    500: '#5156bd',
    950: '#000000',
  },
}

SCSS

$custom: #5156bd;
$custom-light: #8b85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5156bd",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 189
  },
  "hsl": {
    "h": 237.222,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50551,
    "c": 0.15888,
    "h": 277
  },
  "luminance": 0.12079
}

Semantic roles & 50–950 ramp

primary

#5156BD

secondary

#CCCA9E

accent

#CF53D5

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5156BD

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

Preview Lab → · Contrast checker → · Palette generator →