#5F64CB#5F64CB

#5F64CB is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.2% C 0.157 H 277.9°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5F64CB
RGB	rgb(95, 100, 203)
HSL	hsl(237, 51%, 58%)
HSV	hsv(237, 53%, 80%)
CMYK	cmyk(53.2%, 50.7%, 0%, 20.4%)
CIE-LAB	lab(46.79, 27.02, -54.33)
CIE-LCH	lch(46.79, 60.68, 296.44°)
OKLab	oklab(55.18% 0.0214 -0.1551)
OKLCH	oklch(55.18% 0.157 277.9)
XYZ	xyz(20.0526, 15.8578, 58.4925)
Luminance	0.1586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F64CB #CBC65F

analogous

#5F9ACB #5F64CB #905FCB

triadic

#5F64CB #CB5F64 #64CB5F

tetradic

#5F64CB #CB5F9A #CBC65F #5FCB90

square

#5F64CB #CB5F9A #CBC65F #5FCB90

split-complementary

#5F64CB #CB905F #9ACB5F

monochromatic

#2B2F85 #3A40B3 #5F64CB #8D91DA #BBBDE9

Accessibility & contrast

On white

5.03

#5F64CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#5F64CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F64CB

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F64CB	#FFFFFF	#000000	##FFFFFF
##5F64CB	1.00	5.03	4.17	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3073CF

Deuteranopia (green-blind)

#216BC9

Tritanopia (blue-blind)

#2E7B8E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5f64cb;
/* rgb */ color: rgb(95, 100, 203);
/* oklch */ color: oklch(55.2% 0.157 277.9);

Tailwind

colors: {
  custom: {
    50: '#9490db',
    500: '#5f64cb',
    950: '#000000',
  },
}

SCSS

$custom: #5f64cb;
$custom-light: #9490db;
$custom-dark: #000000;

JSON

{
  "hex": "#5f64cb",
  "rgb": {
    "r": 95,
    "g": 100,
    "b": 203
  },
  "hsl": {
    "h": 237.222,
    "s": 50.943,
    "l": 58.431
  },
  "oklch": {
    "l": 0.55184,
    "c": 0.15655,
    "h": 277.9
  },
  "luminance": 0.15859
}

Semantic roles & 50–950 ramp

primary

#5F64CB

secondary

#D8D6AD

accent

#D44DDA

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5F64CB

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

Preview Lab → · Contrast checker → · Palette generator →