#5161CB#5161CB

#5161CB is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.7% C 0.164 H 273.2°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5161CB
RGB	rgb(81, 97, 203)
HSL	hsl(232, 54%, 56%)
HSV	hsv(232, 60%, 80%)
CMYK	cmyk(60.1%, 52.2%, 0%, 20.4%)
CIE-LAB	lab(45.09, 26.14, -57.10)
CIE-LCH	lch(45.09, 62.80, 294.59°)
OKLab	oklab(53.67% 0.009 -0.1636)
OKLCH	oklch(53.67% 0.164 273.2)
XYZ	xyz(18.4440, 14.6091, 58.3362)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161CB #CBBB51

analogous

#519ECB #5161CB #7E51CB

triadic

#5161CB #CB5161 #61CB51

tetradic

#5161CB #CB519E #CBBB51 #51CB7E

square

#5161CB #CB519E #CBBB51 #51CB7E

split-complementary

#5161CB #CB7E51 #9ECB51

monochromatic

#25317C #3343AC #5161CB #808CD9 #AFB7E7

Accessibility & contrast

On white

5.35

#5161CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#5161CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161CB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161CB	#FFFFFF	#000000	##FFFFFF
##5161CB	1.00	5.35	3.92	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2270CF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5161cb;
/* rgb */ color: rgb(81, 97, 203);
/* oklch */ color: oklch(53.7% 0.164 273.2);

Tailwind

colors: {
  custom: {
    50: '#8d8ddb',
    500: '#5161cb',
    950: '#000000',
  },
}

SCSS

$custom: #5161cb;
$custom-light: #8d8ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#5161cb",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 203
  },
  "hsl": {
    "h": 232.131,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5367,
    "c": 0.16387,
    "h": 273.2
  },
  "luminance": 0.14611
}

Semantic roles & 50–950 ramp

primary

#5161CB

secondary

#D5CFA3

accent

#CA4ADD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5161CB

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

Preview Lab → · Contrast checker → · Palette generator →