#5161E0#5161E0

#5161E0 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 55.2% C 0.192 H 273.0°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#5161E0
RGB	rgb(81, 97, 224)
HSL	hsl(233, 70%, 60%)
HSV	hsv(233, 64%, 88%)
CMYK	cmyk(63.8%, 56.7%, 0%, 12.2%)
CIE-LAB	lab(46.55, 33.22, -66.74)
CIE-LCH	lch(46.55, 74.55, 296.47°)
OKLab	oklab(55.22% 0.0099 -0.1919)
OKLCH	oklch(55.22% 0.192 273)
XYZ	xyz(21.1181, 15.6787, 72.4200)
Luminance	0.1568 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161E0 #E0D051

analogous

#51A8E0 #5161E0 #8951E0

triadic

#5161E0 #E05161 #61E051

tetradic

#5161E0 #E051A8 #E0D051 #51E089

square

#5161E0 #E051A8 #E0D051 #51E089

split-complementary

#5161E0 #E08951 #A8E051

monochromatic

#1C2A9B #2538CF #5161E0 #8590E9 #B9BFF3

Accessibility & contrast

On white

5.08

#5161E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#5161E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161E0

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161E0	#FFFFFF	#000000	##FFFFFF
##5161E0	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E4

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#008097

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5161e0;
/* rgb */ color: rgb(81, 97, 224);
/* oklch */ color: oklch(55.2% 0.192 273.0);

Tailwind

colors: {
  custom: {
    50: '#908deb',
    500: '#5161e0',
    950: '#000000',
  },
}

SCSS

$custom: #5161e0;
$custom-light: #908deb;
$custom-dark: #000000;

JSON

{
  "hex": "#5161e0",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 224
  },
  "hsl": {
    "h": 233.287,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.55222,
    "c": 0.19221,
    "h": 273
  },
  "luminance": 0.15681
}

Semantic roles & 50–950 ramp

primary

#5161E0

secondary

#E2DCAB

accent

#D93BED

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5161E0

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

Preview Lab → · Contrast checker → · Palette generator →