#5B5CCB#5B5CCB

#5B5CCB is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.4% C 0.168 H 278.7°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CCB
RGB	rgb(91, 92, 203)
HSL	hsl(239, 52%, 58%)
HSV	hsv(239, 55%, 80%)
CMYK	cmyk(55.2%, 54.7%, 0%, 20.4%)
CIE-LAB	lab(44.50, 31.14, -58.03)
CIE-LCH	lch(44.50, 65.85, 298.22°)
OKLab	oklab(53.4% 0.0254 -0.1661)
OKLCH	oklch(53.4% 0.168 278.7)
XYZ	xyz(18.9176, 14.1890, 58.2302)
Luminance	0.1419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CCB #CBCA5B

analogous

#5B94CB #5B5CCB #925BCB

triadic

#5B5CCB #CB5B5C #5CCB5B

tetradic

#5B5CCB #CB5B94 #CBCA5B #5BCB92

square

#5B5CCB #CB5B94 #CBCA5B #5BCB92

split-complementary

#5B5CCB #CB925B #94CB5B

monochromatic

#292A82 #3839B1 #5B5CCB #898ADA #B8B8E8

Accessibility & contrast

On white

5.47

#5B5CCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#5B5CCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CCB

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CCB	#FFFFFF	#000000	##FFFFFF
##5B5CCB	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#126ECF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#22768A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5b5ccb;
/* rgb */ color: rgb(91, 92, 203);
/* oklch */ color: oklch(53.4% 0.168 278.7);

Tailwind

colors: {
  custom: {
    50: '#928adc',
    500: '#5b5ccb',
    950: '#000000',
  },
}

SCSS

$custom: #5b5ccb;
$custom-light: #928adc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5ccb",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 203
  },
  "hsl": {
    "h": 239.464,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.534,
    "c": 0.16804,
    "h": 278.7
  },
  "luminance": 0.1419
}

Semantic roles & 50–950 ramp

primary

#5B5CCB

secondary

#D7D7AA

accent

#DA4CDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #5B5CCB

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

Preview Lab → · Contrast checker → · Palette generator →