#5161CC#5161CC

#5161CC is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.7% C 0.165 H 273.2°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#5161CC
RGB	rgb(81, 97, 204)
HSL	hsl(232, 55%, 56%)
HSV	hsv(232, 60%, 80%)
CMYK	cmyk(60.3%, 52.5%, 0%, 20%)
CIE-LAB	lab(45.16, 26.47, -57.57)
CIE-LCH	lch(45.16, 63.37, 294.69°)
OKLab	oklab(53.74% 0.0091 -0.165)
OKLCH	oklch(53.74% 0.165 273.2)
XYZ	xyz(18.5635, 14.6569, 58.9658)
Luminance	0.1466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161CC #CCBC51

analogous

#519ECC #5161CC #7E51CC

triadic

#5161CC #CC5161 #61CC51

tetradic

#5161CC #CC519E #CCBC51 #51CC7E

square

#5161CC #CC519E #CCBC51 #51CC7E

split-complementary

#5161CC #CC7E51 #9ECC51

monochromatic

#25307E #3343AD #5161CC #808CDA #B0B7E8

Accessibility & contrast

On white

5.34

#5161CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5161CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161CC

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161CC	#FFFFFF	#000000	##FFFFFF
##5161CC	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2070D0

Deuteranopia (green-blind)

#0066CA

Tritanopia (blue-blind)

#007A8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5161cc;
/* rgb */ color: rgb(81, 97, 204);
/* oklch */ color: oklch(53.7% 0.165 273.2);

Tailwind

colors: {
  custom: {
    50: '#8d8ddc',
    500: '#5161cc',
    950: '#000000',
  },
}

SCSS

$custom: #5161cc;
$custom-light: #8d8ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#5161cc",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 204
  },
  "hsl": {
    "h": 232.195,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.53741,
    "c": 0.16524,
    "h": 273.2
  },
  "luminance": 0.14658
}

Semantic roles & 50–950 ramp

primary

#5161CC

secondary

#D6CFA3

accent

#CB4ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5161CC

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

Preview Lab → · Contrast checker → · Palette generator →