#5B64BC#5B64BC

#5B64BC is a mid, vivid blue. Relative luminance 0.150; OKLCH L 53.9% C 0.136 H 276.4°. Best body text is #FFFFFF at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#5B64BC
RGB	rgb(91, 100, 188)
HSL	hsl(234, 42%, 55%)
HSV	hsv(234, 52%, 74%)
CMYK	cmyk(51.6%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(45.59, 21.37, -47.60)
CIE-LCH	lch(45.59, 52.18, 294.17°)
OKLab	oklab(53.91% 0.0152 -0.1354)
OKLCH	oklch(53.91% 0.136 276.4)
XYZ	xyz(17.9458, 14.9682, 49.5107)
Luminance	0.1497 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64BC #BCB35B

analogous

#5B95BC #5B64BC #835BBC

triadic

#5B64BC #BC5B64 #64BC5B

tetradic

#5B64BC #BC5B95 #BCB35B #5BBC83

square

#5B64BC #BC5B95 #BCB35B #5BBC83

split-complementary

#5B64BC #BC835B #95BC5B

monochromatic

#2D346F #3F489B #5B64BC #868DCE #B2B6E0

Accessibility & contrast

On white

5.26

#5B64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#5B64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64BC

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64BC	#FFFFFF	#000000	##FFFFFF
##5B64BC	1.00	5.26	3.99	5.26
#FFFFFF	5.26	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D70BF

Deuteranopia (green-blind)

#3368BA

Tritanopia (blue-blind)

#327787

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5b64bc;
/* rgb */ color: rgb(91, 100, 188);
/* oklch */ color: oklch(53.9% 0.136 276.4);

Tailwind

colors: {
  custom: {
    50: '#9090d1',
    500: '#5b64bc',
    950: '#000000',
  },
}

SCSS

$custom: #5b64bc;
$custom-light: #9090d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64bc",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 234.433,
    "s": 41.991,
    "l": 54.706
  },
  "oklch": {
    "l": 0.53913,
    "c": 0.13627,
    "h": 276.4
  },
  "luminance": 0.14969
}

Semantic roles & 50–950 ramp

primary

#5B64BC

secondary

#CECAA5

accent

#C656D2

background

#F9F8FC

surface

#F1F0F9

border

#CBCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5B64BC

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

Preview Lab → · Contrast checker → · Palette generator →