#5161D2#5161D2

#5161D2 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.2% C 0.173 H 273.1°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#5161D2
RGB	rgb(81, 97, 210)
HSL	hsl(233, 59%, 57%)
HSV	hsv(233, 61%, 82%)
CMYK	cmyk(61.4%, 53.8%, 0%, 17.6%)
CIE-LAB	lab(45.57, 28.50, -60.36)
CIE-LCH	lch(45.57, 66.75, 295.27°)
OKLab	oklab(54.18% 0.0095 -0.1732)
OKLCH	oklch(54.18% 0.173 273.1)
XYZ	xyz(19.2970, 14.9503, 62.8291)
Luminance	0.1495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161D2 #D2C251

analogous

#51A2D2 #5161D2 #8251D2

triadic

#5161D2 #D25161 #61D251

tetradic

#5161D2 #D251A2 #D2C251 #51D282

square

#5161D2 #D251A2 #D2C251 #51D282

split-complementary

#5161D2 #D28251 #A2D251

monochromatic

#232F86 #2F40B7 #5161D2 #828DDF #B2B9EB

Accessibility & contrast

On white

5.26

#5161D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#5161D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161D2

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161D2	#FFFFFF	#000000	##FFFFFF
##5161D2	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1372D6

Deuteranopia (green-blind)

#0066D0

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5161d2;
/* rgb */ color: rgb(81, 97, 210);
/* oklch */ color: oklch(54.2% 0.173 273.1);

Tailwind

colors: {
  custom: {
    50: '#8e8de0',
    500: '#5161d2',
    950: '#000000',
  },
}

SCSS

$custom: #5161d2;
$custom-light: #8e8de0;
$custom-dark: #000000;

JSON

{
  "hex": "#5161d2",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 210
  },
  "hsl": {
    "h": 232.558,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.54175,
    "c": 0.17345,
    "h": 273.1
  },
  "luminance": 0.14952
}

Semantic roles & 50–950 ramp

primary

#5161D2

secondary

#DAD3A5

accent

#CF46E2

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5161D2

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

Preview Lab → · Contrast checker → · Palette generator →