#5B5CCC#5B5CCC

#5B5CCC is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.5% C 0.169 H 278.6°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CCC
RGB	rgb(91, 92, 204)
HSL	hsl(239, 53%, 58%)
HSV	hsv(239, 55%, 80%)
CMYK	cmyk(55.4%, 54.9%, 0%, 20%)
CIE-LAB	lab(44.57, 31.46, -58.49)
CIE-LCH	lch(44.57, 66.42, 298.28°)
OKLab	oklab(53.47% 0.0254 -0.1675)
OKLCH	oklch(53.47% 0.169 278.6)
XYZ	xyz(19.0372, 14.2368, 58.8599)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CCC #CCCB5B

analogous

#5B94CC #5B5CCC #925BCC

triadic

#5B5CCC #CC5B5C #5CCC5B

tetradic

#5B5CCC #CC5B94 #CCCB5B #5BCC92

square

#5B5CCC #CC5B94 #CCCB5B #5BCC92

split-complementary

#5B5CCC #CC925B #94CC5B

monochromatic

#292A84 #3739B2 #5B5CCC #8A8ADB #B8B9E9

Accessibility & contrast

On white

5.46

#5B5CCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#5B5CCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CCC

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CCC	#FFFFFF	#000000	##FFFFFF
##5B5CCC	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F6ED0

Deuteranopia (green-blind)

#0065CA

Tritanopia (blue-blind)

#21768B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5b5ccc;
/* rgb */ color: rgb(91, 92, 204);
/* oklch */ color: oklch(53.5% 0.169 278.6);

Tailwind

colors: {
  custom: {
    50: '#928adc',
    500: '#5b5ccc',
    950: '#000000',
  },
}

SCSS

$custom: #5b5ccc;
$custom-light: #928adc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5ccc",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 204
  },
  "hsl": {
    "h": 239.469,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.53472,
    "c": 0.1694,
    "h": 278.6
  },
  "luminance": 0.14238
}

Semantic roles & 50–950 ramp

primary

#5B5CCC

secondary

#D8D8AB

accent

#DB4CDC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B5CCC

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

Preview Lab → · Contrast checker → · Palette generator →