#5164EF#5164EF

#5164EF is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 56.9% C 0.208 H 272.1°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5164EF
RGB	rgb(81, 100, 239)
HSL	hsl(233, 83%, 63%)
HSV	hsv(233, 66%, 94%)
CMYK	cmyk(66.1%, 58.2%, 0%, 6.3%)
CIE-LAB	lab(48.38, 36.44, -72.22)
CIE-LCH	lch(48.38, 80.89, 296.78°)
OKLab	oklab(56.93% 0.0076 -0.208)
OKLCH	oklch(56.93% 0.208 272.1)
XYZ	xyz(23.5253, 17.0935, 83.7042)
Luminance	0.1710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5164EF #EFDC51

analogous

#51B3EF #5164EF #8D51EF

triadic

#5164EF #EF5164 #64EF51

tetradic

#5164EF #EF51B3 #EFDC51 #51EF8D

square

#5164EF #EF51B3 #EFDC51 #51EF8D

split-complementary

#5164EF #EF8D51 #B3EF51

monochromatic

#1124B5 #1932EA #5164EF #8996F4 #C1C8F9

Accessibility & contrast

On white

4.75

#5164EF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#5164EF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5164EF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5164EF	#FFFFFF	#000000	##FFFFFF
##5164EF	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#007AF4

Deuteranopia (green-blind)

#006CEC

Tritanopia (blue-blind)

#0086A0

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5164ef;
/* rgb */ color: rgb(81, 100, 239);
/* oklch */ color: oklch(56.9% 0.208 272.1);

Tailwind

colors: {
  custom: {
    50: '#9390f5',
    500: '#5164ef',
    950: '#000000',
  },
}

SCSS

$custom: #5164ef;
$custom-light: #9390f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5164ef",
  "rgb": {
    "r": 81,
    "g": 100,
    "b": 239
  },
  "hsl": {
    "h": 232.785,
    "s": 83.158,
    "l": 62.745
  },
  "oklch": {
    "l": 0.56927,
    "c": 0.20818,
    "h": 272.1
  },
  "luminance": 0.17096
}

Semantic roles & 50–950 ramp

primary

#5164EF

secondary

#EAE4B1

accent

#C506E0

background

#F9F8FF

surface

#F2F0FF

border

#CCCBD7

text

#0E0C17

muted

#7E7D85

Preview Lab

Preview with #5164EF

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

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