#5165D3#5165D3

#5165D3 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 55.0% C 0.170 H 271.9°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#5165D3
RGB	rgb(81, 101, 211)
HSL	hsl(231, 60%, 57%)
HSV	hsv(231, 62%, 83%)
CMYK	cmyk(61.6%, 52.1%, 0%, 17.3%)
CIE-LAB	lab(46.66, 26.34, -59.17)
CIE-LCH	lch(46.66, 64.77, 294.00°)
OKLab	oklab(55.02% 0.0057 -0.1696)
OKLCH	oklch(55.02% 0.17 271.9)
XYZ	xyz(19.8010, 15.7582, 63.6136)
Luminance	0.1576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5165D3 #D3BF51

analogous

#51A6D3 #5165D3 #7E51D3

triadic

#5165D3 #D35165 #65D351

tetradic

#5165D3 #D351A6 #D3BF51 #51D37E

square

#5165D3 #D351A6 #D3BF51 #51D37E

split-complementary

#5165D3 #D37E51 #A6D351

monochromatic

#223287 #2F44B8 #5165D3 #8290DF #B3BBEC

Accessibility & contrast

On white

5.06

#5165D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#5165D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5165D3

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5165D3	#FFFFFF	#000000	##FFFFFF
##5165D3	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2275D7

Deuteranopia (green-blind)

#0069D1

Tritanopia (blue-blind)

#007F92

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5165d3;
/* rgb */ color: rgb(81, 101, 211);
/* oklch */ color: oklch(55.0% 0.170 271.9);

Tailwind

colors: {
  custom: {
    50: '#8e90e1',
    500: '#5165d3',
    950: '#000000',
  },
}

SCSS

$custom: #5165d3;
$custom-light: #8e90e1;
$custom-dark: #000000;

JSON

{
  "hex": "#5165d3",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 211
  },
  "hsl": {
    "h": 230.769,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.55015,
    "c": 0.16975,
    "h": 271.9
  },
  "luminance": 0.1576
}

Semantic roles & 50–950 ramp

primary

#5165D3

secondary

#DAD2A6

accent

#CB45E3

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5165D3

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

Preview Lab → · Contrast checker → · Palette generator →