#5161BF#5161BF

#5161BF is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.8% C 0.147 H 273.1°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#5161BF
RGB	rgb(81, 97, 191)
HSL	hsl(231, 46%, 53%)
HSV	hsv(231, 58%, 75%)
CMYK	cmyk(57.6%, 49.2%, 0%, 25.1%)
CIE-LAB	lab(44.32, 22.10, -51.42)
CIE-LCH	lch(44.32, 55.97, 293.26°)
OKLab	oklab(52.83% 0.0079 -0.1469)
OKLCH	oklch(52.83% 0.147 273.1)
XYZ	xyz(17.0689, 14.0590, 51.0943)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161BF #BFAF51

analogous

#5198BF #5161BF #7851BF

triadic

#5161BF #BF5161 #61BF51

tetradic

#5161BF #BF5198 #BFAF51 #51BF78

square

#5161BF #BF5198 #BFAF51 #51BF78

split-complementary

#5161BF #BF7851 #98BF51

monochromatic

#28326D #39479A #5161BF #7E8ACF #AAB2E0

Accessibility & contrast

On white

5.51

#5161BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#5161BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161BF

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161BF	#FFFFFF	#000000	##FFFFFF
##5161BF	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#326EC2

Deuteranopia (green-blind)

#2064BD

Tritanopia (blue-blind)

#037687

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5161bf;
/* rgb */ color: rgb(81, 97, 191);
/* oklch */ color: oklch(52.8% 0.147 273.1);

Tailwind

colors: {
  custom: {
    50: '#8b8dd3',
    500: '#5161bf',
    950: '#000000',
  },
}

SCSS

$custom: #5161bf;
$custom-light: #8b8dd3;
$custom-dark: #000000;

JSON

{
  "hex": "#5161bf",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 191
  },
  "hsl": {
    "h": 231.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.52834,
    "c": 0.14711,
    "h": 273.1
  },
  "luminance": 0.1406
}

Semantic roles & 50–950 ramp

primary

#5161BF

secondary

#CEC79E

accent

#C352D6

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0D0C14

muted

#7D7D83

Preview Lab

Preview with #5161BF

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

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