#5F66CC#5F66CC

#5F66CC is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.6% C 0.155 H 277.1°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5F66CC
RGB	rgb(95, 102, 204)
HSL	hsl(236, 52%, 59%)
HSV	hsv(236, 53%, 80%)
CMYK	cmyk(53.4%, 50%, 0%, 20%)
CIE-LAB	lab(47.36, 26.11, -53.99)
CIE-LCH	lch(47.36, 59.97, 295.81°)
OKLab	oklab(55.63% 0.0193 -0.154)
OKLCH	oklch(55.63% 0.155 277.1)
XYZ	xyz(20.3663, 16.2940, 59.1869)
Luminance	0.1630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F66CC #CCC55F

analogous

#5F9CCC #5F66CC #8E5FCC

triadic

#5F66CC #CC5F66 #66CC5F

tetradic

#5F66CC #CC5F9C #CCC55F #5FCC8E

square

#5F66CC #CC5F9C #CCC55F #5FCC8E

split-complementary

#5F66CC #CC8E5F #9CCC5F

monochromatic

#2B3186 #3941B4 #5F66CC #8D92DB #BCBFEA

Accessibility & contrast

On white

4.93

#5F66CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#5F66CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5F66CC

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F66CC	#FFFFFF	#000000	##FFFFFF
##5F66CC	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3375D0

Deuteranopia (green-blind)

#256CCA

Tritanopia (blue-blind)

#2C7D8F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5f66cc;
/* rgb */ color: rgb(95, 102, 204);
/* oklch */ color: oklch(55.6% 0.155 277.1);

Tailwind

colors: {
  custom: {
    50: '#9491dc',
    500: '#5f66cc',
    950: '#000000',
  },
}

SCSS

$custom: #5f66cc;
$custom-light: #9491dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5f66cc",
  "rgb": {
    "r": 95,
    "g": 102,
    "b": 204
  },
  "hsl": {
    "h": 236.147,
    "s": 51.659,
    "l": 58.627
  },
  "oklch": {
    "l": 0.55634,
    "c": 0.15525,
    "h": 277.1
  },
  "luminance": 0.16295
}

Semantic roles & 50–950 ramp

primary

#5F66CC

secondary

#D9D6AE

accent

#D24DDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5F66CC

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

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