#5F66CD#5F66CD

#5F66CD is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.157 H 277.1°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5F66CD
RGB	rgb(95, 102, 205)
HSL	hsl(236, 52%, 59%)
HSV	hsv(236, 54%, 80%)
CMYK	cmyk(53.7%, 50.2%, 0%, 19.6%)
CIE-LAB	lab(47.42, 26.43, -54.46)
CIE-LCH	lch(47.42, 60.53, 295.88°)
OKLab	oklab(55.7% 0.0194 -0.1554)
OKLCH	oklch(55.7% 0.157 277.1)
XYZ	xyz(20.4866, 16.3421, 59.8206)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F66CD #CDC65F

analogous

#5F9DCD #5F66CD #8F5FCD

triadic

#5F66CD #CD5F66 #66CD5F

tetradic

#5F66CD #CD5F9D #CDC65F #5FCD8F

square

#5F66CD #CD5F9D #CDC65F #5FCD8F

split-complementary

#5F66CD #CD8F5F #9DCD5F

monochromatic

#2A3087 #3941B6 #5F66CD #8E93DC #BCBFEA

Accessibility & contrast

On white

4.92

#5F66CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5F66CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F66CD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F66CD	#FFFFFF	#000000	##FFFFFF
##5F66CD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3275D1

Deuteranopia (green-blind)

#236CCB

Tritanopia (blue-blind)

#2B7D90

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5f66cd;
/* rgb */ color: rgb(95, 102, 205);
/* oklch */ color: oklch(55.7% 0.157 277.1);

Tailwind

colors: {
  custom: {
    50: '#9491dd',
    500: '#5f66cd',
    950: '#000000',
  },
}

SCSS

$custom: #5f66cd;
$custom-light: #9491dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5f66cd",
  "rgb": {
    "r": 95,
    "g": 102,
    "b": 205
  },
  "hsl": {
    "h": 236.182,
    "s": 52.381,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55701,
    "c": 0.15664,
    "h": 277.1
  },
  "luminance": 0.16343
}

Semantic roles & 50–950 ramp

primary

#5F66CD

secondary

#DAD7AE

accent

#D34CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5F66CD

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

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