#5B5CDC#5B5CDC

#5B5CDC is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.7% C 0.191 H 277.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#5B5CDC
RGB	rgb(91, 92, 220)
HSL	hsl(240, 65%, 61%)
HSV	hsv(240, 59%, 86%)
CMYK	cmyk(58.6%, 58.2%, 0%, 13.7%)
CIE-LAB	lab(45.69, 36.61, -65.82)
CIE-LCH	lch(45.69, 75.32, 299.08°)
OKLab	oklab(54.66% 0.0255 -0.1891)
OKLCH	oklch(54.66% 0.191 277.7)
XYZ	xyz(21.0557, 15.0442, 69.4905)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5CDC #DCDB5B

analogous

#5B9CDC #5B5CDC #9A5BDC

triadic

#5B5CDC #DC5B5C #5CDC5B

tetradic

#5B5CDC #DC5B9C #DCDB5B #5BDC9A

square

#5B5CDC #DC5B9C #DCDB5B #5BDC9A

split-complementary

#5B5CDC #DC9A5B #9CDC5B

monochromatic

#21229B #2C2DCE #5B5CDC #8D8EE7 #C0C0F2

Accessibility & contrast

On white

5.24

#5B5CDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#5B5CDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5CDC

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5CDC	#FFFFFF	#000000	##FFFFFF
##5B5CDC	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E0

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#007B93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5b5cdc;
/* rgb */ color: rgb(91, 92, 220);
/* oklch */ color: oklch(54.7% 0.191 277.7);

Tailwind

colors: {
  custom: {
    50: '#958ae8',
    500: '#5b5cdc',
    950: '#000000',
  },
}

SCSS

$custom: #5b5cdc;
$custom-light: #958ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5cdc",
  "rgb": {
    "r": 91,
    "g": 92,
    "b": 220
  },
  "hsl": {
    "h": 239.535,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54663,
    "c": 0.19078,
    "h": 277.7
  },
  "luminance": 0.15046
}

Semantic roles & 50–950 ramp

primary

#5B5CDC

secondary

#E2E1B1

accent

#CB19CD

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5B5CDC

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

Preview Lab → · Contrast checker → · Palette generator →