#5161CF#5161CF

#5161CF is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.0% C 0.169 H 273.1°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5161CF
RGB	rgb(81, 97, 207)
HSL	hsl(232, 57%, 56%)
HSV	hsv(232, 61%, 81%)
CMYK	cmyk(60.9%, 53.1%, 0%, 18.8%)
CIE-LAB	lab(45.36, 27.49, -58.97)
CIE-LCH	lch(45.36, 65.06, 294.99°)
OKLab	oklab(53.96% 0.0093 -0.1691)
OKLCH	oklch(53.96% 0.169 273.1)
XYZ	xyz(18.9268, 14.8022, 60.8791)
Luminance	0.1480 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161CF #CFBF51

analogous

#51A0CF #5161CF #8051CF

triadic

#5161CF #CF5161 #61CF51

tetradic

#5161CF #CF51A0 #CFBF51 #51CF80

square

#5161CF #CF51A0 #CFBF51 #51CF80

split-complementary

#5161CF #CF8051 #A0CF51

monochromatic

#243082 #3141B2 #5161CF #818DDC #B1B8E9

Accessibility & contrast

On white

5.30

#5161CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#5161CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161CF

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161CF	#FFFFFF	#000000	##FFFFFF
##5161CF	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A71D3

Deuteranopia (green-blind)

#0066CD

Tritanopia (blue-blind)

#007B8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5161cf;
/* rgb */ color: rgb(81, 97, 207);
/* oklch */ color: oklch(54.0% 0.169 273.1);

Tailwind

colors: {
  custom: {
    50: '#8d8dde',
    500: '#5161cf',
    950: '#000000',
  },
}

SCSS

$custom: #5161cf;
$custom-light: #8d8dde;
$custom-dark: #000000;

JSON

{
  "hex": "#5161cf",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 207
  },
  "hsl": {
    "h": 232.381,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.53957,
    "c": 0.16935,
    "h": 273.1
  },
  "luminance": 0.14804
}

Semantic roles & 50–950 ramp

primary

#5161CF

secondary

#D8D1A4

accent

#CD48E0

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5161CF

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

Preview Lab → · Contrast checker → · Palette generator →