#5165CB#5165CB

#5165CB is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.159 H 271.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#5165CB
RGB	rgb(81, 101, 203)
HSL	hsl(230, 54%, 56%)
HSV	hsv(230, 60%, 80%)
CMYK	cmyk(60.1%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(46.13, 23.63, -55.43)
CIE-LCH	lch(46.13, 60.26, 293.09°)
OKLab	oklab(54.45% 0.005 -0.1587)
OKLCH	oklch(54.45% 0.159 271.8)
XYZ	xyz(18.8229, 15.3670, 58.4625)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5165CB #CBB751

analogous

#51A2CB #5165CB #7A51CB

triadic

#5165CB #CB5165 #65CB51

tetradic

#5165CB #CB51A2 #CBB751 #51CB7A

square

#5165CB #CB51A2 #CBB751 #51CB7A

split-complementary

#5165CB #CB7A51 #A2CB51

monochromatic

#25337C #3347AC #5165CB #808FD9 #AFB8E7

Accessibility & contrast

On white

5.16

#5165CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#5165CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5165CB

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5165CB	#FFFFFF	#000000	##FFFFFF
##5165CB	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E73CF

Deuteranopia (green-blind)

#1268C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5165cb;
/* rgb */ color: rgb(81, 101, 203);
/* oklch */ color: oklch(54.5% 0.159 271.8);

Tailwind

colors: {
  custom: {
    50: '#8d90db',
    500: '#5165cb',
    950: '#000000',
  },
}

SCSS

$custom: #5165cb;
$custom-light: #8d90db;
$custom-dark: #000000;

JSON

{
  "hex": "#5165cb",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 230.164,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.54453,
    "c": 0.15873,
    "h": 271.8
  },
  "luminance": 0.15368
}

Semantic roles & 50–950 ramp

primary

#5165CB

secondary

#D5CDA3

accent

#C54ADD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5165CB

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

Preview Lab → · Contrast checker → · Palette generator →