#5165CE#5165CE

#5165CE is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.7% C 0.163 H 271.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#5165CE
RGB	rgb(81, 101, 206)
HSL	hsl(230, 56%, 56%)
HSV	hsv(230, 61%, 81%)
CMYK	cmyk(60.7%, 51%, 0%, 19.2%)
CIE-LAB	lab(46.33, 24.64, -56.84)
CIE-LCH	lch(46.33, 61.95, 293.44°)
OKLab	oklab(54.66% 0.0053 -0.1628)
OKLCH	oklch(54.66% 0.163 271.9)
XYZ	xyz(19.1839, 15.5114, 60.3636)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5165CE #CEBA51

analogous

#51A4CE #5165CE #7C51CE

triadic

#5165CE #CE5165 #65CE51

tetradic

#5165CE #CE51A4 #CEBA51 #51CE7C

square

#5165CE #CE51A4 #CEBA51 #51CE7C

split-complementary

#5165CE #CE7C51 #A4CE51

monochromatic

#243380 #3246B0 #5165CE #818FDB #B1BAE9

Accessibility & contrast

On white

5.12

#5165CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#5165CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5165CE

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5165CE	#FFFFFF	#000000	##FFFFFF
##5165CE	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A73D2

Deuteranopia (green-blind)

#0568CC

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5165ce;
/* rgb */ color: rgb(81, 101, 206);
/* oklch */ color: oklch(54.7% 0.163 271.9);

Tailwind

colors: {
  custom: {
    50: '#8d90de',
    500: '#5165ce',
    950: '#000000',
  },
}

SCSS

$custom: #5165ce;
$custom-light: #8d90de;
$custom-dark: #000000;

JSON

{
  "hex": "#5165ce",
  "rgb": {
    "r": 81,
    "g": 101,
    "b": 206
  },
  "hsl": {
    "h": 230.4,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54662,
    "c": 0.16288,
    "h": 271.9
  },
  "luminance": 0.15513
}

Semantic roles & 50–950 ramp

primary

#5165CE

secondary

#D7CFA4

accent

#C748DF

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5165CE

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

Preview Lab → · Contrast checker → · Palette generator →