#5164CC#5164CC

#5164CC is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.3% C 0.161 H 272.2°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#5164CC
RGB	rgb(81, 100, 204)
HSL	hsl(231, 55%, 56%)
HSV	hsv(231, 60%, 80%)
CMYK	cmyk(60.3%, 51%, 0%, 20%)
CIE-LAB	lab(45.94, 24.59, -56.32)
CIE-LCH	lch(45.94, 61.46, 293.59°)
OKLab	oklab(54.33% 0.0061 -0.1613)
OKLCH	oklch(54.33% 0.161 272.2)
XYZ	xyz(18.8460, 15.2218, 59.0600)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5164CC #CCB951

analogous

#51A1CC #5164CC #7B51CC

triadic

#5164CC #CC5164 #64CC51

tetradic

#5164CC #CC51A1 #CCB951 #51CC7B

square

#5164CC #CC51A1 #CCB951 #51CC7B

split-complementary

#5164CC #CC7B51 #A1CC51

monochromatic

#25337E #3346AD #5164CC #808EDA #B0B8E8

Accessibility & contrast

On white

5.19

#5164CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#5164CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5164CC

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5164CC	#FFFFFF	#000000	##FFFFFF
##5164CC	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A72D0

Deuteranopia (green-blind)

#0768CA

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #5164cc;
/* rgb */ color: rgb(81, 100, 204);
/* oklch */ color: oklch(54.3% 0.161 272.2);

Tailwind

colors: {
  custom: {
    50: '#8d8fdc',
    500: '#5164cc',
    950: '#000000',
  },
}

SCSS

$custom: #5164cc;
$custom-light: #8d8fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#5164cc",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 204
  },
  "hsl": {
    "h": 230.732,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.54326,
    "c": 0.1614,
    "h": 272.2
  },
  "luminance": 0.15223
}

Semantic roles & 50–950 ramp

primary

#5164CC

secondary

#D6CEA3

accent

#C74ADE

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #5164CC

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

Preview Lab → · Contrast checker → · Palette generator →