#5161DD#5161DD

#5161DD is a mid, vivid blue. Relative luminance 0.155; OKLCH L 55.0% C 0.188 H 273.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#5161DD
RGB	rgb(81, 97, 221)
HSL	hsl(233, 67%, 59%)
HSV	hsv(233, 63%, 87%)
CMYK	cmyk(63.3%, 56.1%, 0%, 13.3%)
CIE-LAB	lab(46.33, 32.21, -65.38)
CIE-LCH	lch(46.33, 72.89, 296.23°)
OKLab	oklab(54.99% 0.0099 -0.188)
OKLCH	oklch(54.99% 0.188 273)
XYZ	xyz(20.7148, 15.5174, 70.2961)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161DD #DDCD51

analogous

#51A7DD #5161DD #8751DD

triadic

#5161DD #DD5161 #61DD51

tetradic

#5161DD #DD51A7 #DDCD51 #51DD87

square

#5161DD #DD51A7 #DDCD51 #51DD87

split-complementary

#5161DD #DD8751 #A7DD51

monochromatic

#1D2B96 #273AC9 #5161DD #848FE7 #B7BEF1

Accessibility & contrast

On white

5.12

#5161DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#5161DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161DD

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161DD	#FFFFFF	#000000	##FFFFFF
##5161DD	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074E1

Deuteranopia (green-blind)

#0068DA

Tritanopia (blue-blind)

#007F96

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5161dd;
/* rgb */ color: rgb(81, 97, 221);
/* oklch */ color: oklch(55.0% 0.188 273.0);

Tailwind

colors: {
  custom: {
    50: '#908de8',
    500: '#5161dd',
    950: '#000000',
  },
}

SCSS

$custom: #5161dd;
$custom-light: #908de8;
$custom-dark: #000000;

JSON

{
  "hex": "#5161dd",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 221
  },
  "hsl": {
    "h": 233.143,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.54993,
    "c": 0.18824,
    "h": 273
  },
  "luminance": 0.15519
}

Semantic roles & 50–950 ramp

primary

#5161DD

secondary

#E0DAAA

accent

#D63EEA

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5161DD

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

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