#5165CC#5165CC

#5165CC is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.5% C 0.160 H 271.8°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#5165CC
RGB	rgb(81, 101, 204)
HSL	hsl(230, 55%, 56%)
HSV	hsv(230, 60%, 80%)
CMYK	cmyk(60.3%, 50.5%, 0%, 20%)
CIE-LAB	lab(46.20, 23.97, -55.90)
CIE-LCH	lch(46.20, 60.82, 293.21°)
OKLab	oklab(54.52% 0.0051 -0.16)
OKLCH	oklch(54.52% 0.16 271.8)
XYZ	xyz(18.9425, 15.4148, 59.0922)
Luminance	0.1542 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5165CC #CCB851

analogous

#51A2CC #5165CC #7A51CC

triadic

#5165CC #CC5165 #65CC51

tetradic

#5165CC #CC51A2 #CCB851 #51CC7A

square

#5165CC #CC51A2 #CCB851 #51CC7A

split-complementary

#5165CC #CC7A51 #A2CC51

monochromatic

#25337E #3347AD #5165CC #808FDA #B0B9E8

Accessibility & contrast

On white

5.14

#5165CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#5165CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5165CC

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5165CC	#FFFFFF	#000000	##FFFFFF
##5165CC	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73D0

Deuteranopia (green-blind)

#0E68CA

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5165cc;
/* rgb */ color: rgb(81, 101, 204);
/* oklch */ color: oklch(54.5% 0.160 271.8);

Tailwind

colors: {
  custom: {
    50: '#8d90dc',
    500: '#5165cc',
    950: '#000000',
  },
}

SCSS

$custom: #5165cc;
$custom-light: #8d90dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5165cc",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 204
  },
  "hsl": {
    "h": 230.244,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54523,
    "c": 0.16011,
    "h": 271.8
  },
  "luminance": 0.15416
}

Semantic roles & 50–950 ramp

primary

#5165CC

secondary

#D6CEA3

accent

#C64ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5165CC

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

Preview Lab → · Contrast checker → · Palette generator →