#5164BC#5164BC

#5164BC is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.2% C 0.139 H 271.8°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#5164BC
RGB	rgb(81, 100, 188)
HSL	hsl(229, 44%, 53%)
HSV	hsv(229, 57%, 74%)
CMYK	cmyk(56.9%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(44.93, 19.21, -48.70)
CIE-LCH	lch(44.93, 52.35, 291.53°)
OKLab	oklab(53.24% 0.0043 -0.1389)
OKLCH	oklch(53.24% 0.139 271.8)
XYZ	xyz(17.0246, 14.4932, 49.4675)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5164BC #BCA951

analogous

#5199BC #5164BC #7451BC

triadic

#5164BC #BC5164 #64BC51

tetradic

#5164BC #BC5199 #BCA951 #51BC74

square

#5164BC #BC5199 #BCA951 #51BC74

split-complementary

#5164BC #BC7451 #99BC51

monochromatic

#29346A #3A4A96 #5164BC #7D8BCD #A9B3DE

Accessibility & contrast

On white

5.39

#5164BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5164BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5164BC

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5164BC	#FFFFFF	#000000	##FFFFFF
##5164BC	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6FBF

Deuteranopia (green-blind)

#2C66BA

Tritanopia (blue-blind)

#0C7887

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5164bc;
/* rgb */ color: rgb(81, 100, 188);
/* oklch */ color: oklch(53.2% 0.139 271.8);

Tailwind

colors: {
  custom: {
    50: '#8a8fd1',
    500: '#5164bc',
    950: '#000000',
  },
}

SCSS

$custom: #5164bc;
$custom-light: #8a8fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#5164bc",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 229.346,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.53242,
    "c": 0.13893,
    "h": 271.8
  },
  "luminance": 0.14495
}

Semantic roles & 50–950 ramp

primary

#5164BC

secondary

#CCC39D

accent

#BD54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #5164BC

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

Preview Lab → · Contrast checker → · Palette generator →