#5164CB#5164CB

#5164CB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.3% C 0.160 H 272.2°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#5164CB
RGB	rgb(81, 100, 203)
HSL	hsl(231, 54%, 56%)
HSV	hsv(231, 60%, 80%)
CMYK	cmyk(60.1%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(45.87, 24.26, -55.85)
CIE-LCH	lch(45.87, 60.89, 293.47°)
OKLab	oklab(54.26% 0.006 -0.1599)
OKLCH	oklch(54.26% 0.16 272.2)
XYZ	xyz(18.7264, 15.1740, 58.4304)
Luminance	0.1517 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5164CB #CBB851

analogous

#51A1CB #5164CB #7B51CB

triadic

#5164CB #CB5164 #64CB51

tetradic

#5164CB #CB51A1 #CBB851 #51CB7B

square

#5164CB #CB51A1 #CBB851 #51CB7B

split-complementary

#5164CB #CB7B51 #A1CB51

monochromatic

#25337C #3346AC #5164CB #808ED9 #AFB8E7

Accessibility & contrast

On white

5.20

#5164CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#5164CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5164CB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5164CB	#FFFFFF	#000000	##FFFFFF
##5164CB	1.00	5.20	4.03	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B72CF

Deuteranopia (green-blind)

#0C68C9

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5164cb;
/* rgb */ color: rgb(81, 100, 203);
/* oklch */ color: oklch(54.3% 0.160 272.2);

Tailwind

colors: {
  custom: {
    50: '#8d8fdb',
    500: '#5164cb',
    950: '#000000',
  },
}

SCSS

$custom: #5164cb;
$custom-light: #8d8fdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5164cb",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 230.656,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.54256,
    "c": 0.16001,
    "h": 272.2
  },
  "luminance": 0.15175
}

Semantic roles & 50–950 ramp

primary

#5164CB

secondary

#D5CDA3

accent

#C64ADD

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5164CB

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

Preview Lab → · Contrast checker → · Palette generator →