#5B64DD#5B64DD

#5B64DD is a mid, vivid blue. Relative luminance 0.166; OKLCH L 56.2% C 0.182 H 275.7°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5B64DD
RGB	rgb(91, 100, 221)
HSL	hsl(236, 66%, 61%)
HSV	hsv(236, 59%, 87%)
CMYK	cmyk(58.8%, 54.8%, 0%, 13.3%)
CIE-LAB	lab(47.70, 32.06, -63.15)
CIE-LCH	lch(47.70, 70.82, 296.92°)
OKLab	oklab(56.17% 0.0179 -0.1811)
OKLCH	oklch(56.17% 0.182 275.7)
XYZ	xyz(21.9185, 16.5573, 70.4334)
Luminance	0.1656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B64DD #DDD45B

analogous

#5BA5DD #5B64DD #935BDD

triadic

#5B64DD #DD5B64 #64DD5B

tetradic

#5B64DD #DD5BA5 #DDD45B #5BDD93

square

#5B64DD #DD5BA5 #DDD45B #5BDD93

split-complementary

#5B64DD #DD935B #A5DD5B

monochromatic

#21299D #2B36D0 #5B64DD #8E94E8 #C0C4F2

Accessibility & contrast

On white

4.87

#5B64DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#5B64DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B64DD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B64DD	#FFFFFF	#000000	##FFFFFF
##5B64DD	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0677E1

Deuteranopia (green-blind)

#006CDB

Tritanopia (blue-blind)

#008097

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5b64dd;
/* rgb */ color: rgb(91, 100, 221);
/* oklch */ color: oklch(56.2% 0.182 275.7);

Tailwind

colors: {
  custom: {
    50: '#9590e8',
    500: '#5b64dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b64dd;
$custom-light: #9590e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b64dd",
  "rgb": {
    "r": 91,
    "g": 100,
    "b": 221
  },
  "hsl": {
    "h": 235.846,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.56174,
    "c": 0.18201,
    "h": 275.7
  },
  "luminance": 0.16559
}

Semantic roles & 50–950 ramp

primary

#5B64DD

secondary

#E2DFB1

accent

#C118CE

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5B64DD

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

Preview Lab → · Contrast checker → · Palette generator →