#5161D9#5161D9

#5161D9 is a mid, vivid blue. Relative luminance 0.153; OKLCH L 54.7% C 0.183 H 273.1°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5161D9
RGB	rgb(81, 97, 217)
HSL	hsl(233, 64%, 58%)
HSV	hsv(233, 63%, 85%)
CMYK	cmyk(62.7%, 55.3%, 0%, 14.9%)
CIE-LAB	lab(46.05, 30.86, -63.57)
CIE-LCH	lch(46.05, 70.66, 295.90°)
OKLab	oklab(54.69% 0.0098 -0.1826)
OKLCH	oklch(54.69% 0.183 273.1)
XYZ	xyz(20.1883, 15.3068, 67.5228)
Luminance	0.1531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161D9 #D9C951

analogous

#51A5D9 #5161D9 #8551D9

triadic

#5161D9 #D95161 #61D951

tetradic

#5161D9 #D951A5 #D9C951 #51D985

square

#5161D9 #D951A5 #D9C951 #51D985

split-complementary

#5161D9 #D98551 #A5D951

monochromatic

#1F2D90 #2A3CC2 #5161D9 #838FE4 #B5BCEF

Accessibility & contrast

On white

5.17

#5161D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#5161D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161D9

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161D9	#FFFFFF	#000000	##FFFFFF
##5161D9	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0073DD

Deuteranopia (green-blind)

#0067D7

Tritanopia (blue-blind)

#007E93

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5161d9;
/* rgb */ color: rgb(81, 97, 217);
/* oklch */ color: oklch(54.7% 0.183 273.1);

Tailwind

colors: {
  custom: {
    50: '#8f8de6',
    500: '#5161d9',
    950: '#000000',
  },
}

SCSS

$custom: #5161d9;
$custom-light: #8f8de6;
$custom-dark: #000000;

JSON

{
  "hex": "#5161d9",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 217
  },
  "hsl": {
    "h": 232.941,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.54692,
    "c": 0.1829,
    "h": 273.1
  },
  "luminance": 0.15308
}

Semantic roles & 50–950 ramp

primary

#5161D9

secondary

#DED8A8

accent

#D441E7

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5161D9

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

Preview Lab → · Contrast checker → · Palette generator →