#5161D4#5161D4

#5161D4 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.3% C 0.176 H 273.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#5161D4
RGB	rgb(81, 97, 212)
HSL	hsl(233, 60%, 57%)
HSV	hsv(233, 62%, 83%)
CMYK	cmyk(61.8%, 54.2%, 0%, 16.9%)
CIE-LAB	lab(45.70, 29.17, -61.28)
CIE-LCH	lch(45.70, 67.87, 295.46°)
OKLab	oklab(54.32% 0.0096 -0.1759)
OKLCH	oklch(54.32% 0.176 273.1)
XYZ	xyz(19.5478, 15.0506, 64.1495)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161D4 #D4C451

analogous

#51A2D4 #5161D4 #8351D4

triadic

#5161D4 #D45161 #61D451

tetradic

#5161D4 #D451A2 #D4C451 #51D483

square

#5161D4 #D451A2 #D4C451 #51D483

split-complementary

#5161D4 #D48351 #A2D451

monochromatic

#222E89 #2E3FBA #5161D4 #828EE0 #B3BAEC

Accessibility & contrast

On white

5.24

#5161D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#5161D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161D4

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161D4	#FFFFFF	#000000	##FFFFFF
##5161D4	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B72D8

Deuteranopia (green-blind)

#0067D2

Tritanopia (blue-blind)

#007C91

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5161d4;
/* rgb */ color: rgb(81, 97, 212);
/* oklch */ color: oklch(54.3% 0.176 273.1);

Tailwind

colors: {
  custom: {
    50: '#8e8de2',
    500: '#5161d4',
    950: '#000000',
  },
}

SCSS

$custom: #5161d4;
$custom-light: #8e8de2;
$custom-dark: #000000;

JSON

{
  "hex": "#5161d4",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 212
  },
  "hsl": {
    "h": 232.672,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.54321,
    "c": 0.17616,
    "h": 273.1
  },
  "luminance": 0.15052
}

Semantic roles & 50–950 ramp

primary

#5161D4

secondary

#DBD4A6

accent

#D044E4

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5161D4

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

Preview Lab → · Contrast checker → · Palette generator →