#5164AF#5164AF

#5164AF is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.4% C 0.120 H 271.0°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5164AF
RGB	rgb(81, 100, 175)
HSL	hsl(228, 37%, 50%)
HSV	hsv(228, 54%, 69%)
CMYK	cmyk(53.7%, 42.9%, 0%, 31.4%)
CIE-LAB	lab(44.17, 14.90, -42.32)
CIE-LCH	lch(44.17, 44.87, 289.39°)
OKLab	oklab(52.42% 0.0022 -0.1202)
OKLCH	oklch(52.42% 0.12 271)
XYZ	xyz(15.6859, 13.9577, 42.4167)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5164AF #AF9C51

analogous

#5193AF #5164AF #6D51AF

triadic

#5164AF #AF5164 #64AF51

tetradic

#5164AF #AF5193 #AF9C51 #51AF6D

square

#5164AF #AF5193 #AF9C51 #51AF6D

split-complementary

#5164AF #AF6D51 #93AF51

monochromatic

#2A345C #3D4C85 #5164AF #7B89C2 #A5AFD6

Accessibility & contrast

On white

5.54

#5164AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5164AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5164AF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5164AF	#FFFFFF	#000000	##FFFFFF
##5164AF	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456DB2

Deuteranopia (green-blind)

#3A65AD

Tritanopia (blue-blind)

#237481

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5164af;
/* rgb */ color: rgb(81, 100, 175);
/* oklch */ color: oklch(52.4% 0.120 271.0);

Tailwind

colors: {
  custom: {
    50: '#888fc7',
    500: '#5164af',
    950: '#000000',
  },
}

SCSS

$custom: #5164af;
$custom-light: #888fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#5164af",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 175
  },
  "hsl": {
    "h": 227.872,
    "s": 37.008,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52415,
    "c": 0.12018,
    "h": 271
  },
  "luminance": 0.13959
}

Semantic roles & 50–950 ramp

primary

#5164AF

secondary

#C3BA99

accent

#B65BCD

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #5164AF

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

Preview Lab → · Contrast checker → · Palette generator →