#5F64BB#5F64BB

#5F64BB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.1% C 0.134 H 278.4°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#5F64BB
RGB	rgb(95, 100, 187)
HSL	hsl(237, 40%, 55%)
HSV	hsv(237, 49%, 73%)
CMYK	cmyk(49.2%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(45.82, 21.97, -46.65)
CIE-LCH	lch(45.82, 51.56, 295.22°)
OKLab	oklab(54.14% 0.0197 -0.1325)
OKLCH	oklch(54.14% 0.134 278.4)
XYZ	xyz(18.2434, 15.1341, 48.9639)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F64BB #BBB65F

analogous

#5F92BB #5F64BB #885FBB

triadic

#5F64BB #BB5F64 #64BB5F

tetradic

#5F64BB #BB5F92 #BBB65F #5FBB88

square

#5F64BB #BB5F92 #BBB65F #5FBB88

split-complementary

#5F64BB #BB885F #92BB5F

monochromatic

#303370 #42479B #5F64BB #8A8ECD #B5B7E0

Accessibility & contrast

On white

5.21

#5F64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#5F64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F64BB

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F64BB	#FFFFFF	#000000	##FFFFFF
##5F64BB	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BE

Deuteranopia (green-blind)

#3769B9

Tritanopia (blue-blind)

#3C7786

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5f64bb;
/* rgb */ color: rgb(95, 100, 187);
/* oklch */ color: oklch(54.1% 0.134 278.4);

Tailwind

colors: {
  custom: {
    50: '#9290d0',
    500: '#5f64bb',
    950: '#000000',
  },
}

SCSS

$custom: #5f64bb;
$custom-light: #9290d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5f64bb",
  "rgb": {
    "r": 95,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 236.739,
    "s": 40.351,
    "l": 55.294
  },
  "oklch": {
    "l": 0.54139,
    "c": 0.13396,
    "h": 278.4
  },
  "luminance": 0.15135
}

Semantic roles & 50–950 ramp

primary

#5F64BB

secondary

#CECCA8

accent

#CA58D0

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0D0C14

muted

#7E7D82

Preview Lab

Preview with #5F64BB

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

Preview Lab → · Contrast checker → · Palette generator →