#5B5BDC#5B5BDC

#5B5BDC is a mid, vivid blue. Relative luminance 0.149; OKLCH L 54.5% C 0.192 H 277.9°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#5B5BDC
RGB	rgb(91, 91, 220)
HSL	hsl(240, 65%, 61%)
HSV	hsv(240, 59%, 86%)
CMYK	cmyk(58.6%, 58.6%, 0%, 13.7%)
CIE-LAB	lab(45.46, 37.22, -66.21)
CIE-LCH	lch(45.46, 75.95, 299.34°)
OKLab	oklab(54.49% 0.0265 -0.1902)
OKLCH	oklch(54.49% 0.192 277.9)
XYZ	xyz(20.9696, 14.8721, 69.4619)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5BDC #DCDC5B

analogous

#5B9BDC #5B5BDC #9B5BDC

triadic

#5B5BDC #DC5B5B #5BDC5B

tetradic

#5B5BDC #DC5B9B #DCDC5B #5BDC9B

square

#5B5BDC #DC5B9B #DCDC5B #5BDC9B

split-complementary

#5B5BDC #DC9B5B #9BDC5B

monochromatic

#21219B #2C2CCE #5B5BDC #8D8DE7 #C0C0F2

Accessibility & contrast

On white

5.28

#5B5BDC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#5B5BDC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5BDC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5BDC	#FFFFFF	#000000	##FFFFFF
##5B5BDC	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E0

Deuteranopia (green-blind)

#0066D9

Tritanopia (blue-blind)

#007A93

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #5b5bdc;
/* rgb */ color: rgb(91, 91, 220);
/* oklch */ color: oklch(54.5% 0.192 277.9);

Tailwind

colors: {
  custom: {
    50: '#9589e8',
    500: '#5b5bdc',
    950: '#000000',
  },
}

SCSS

$custom: #5b5bdc;
$custom-light: #9589e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5bdc",
  "rgb": {
    "r": 91,
    "g": 91,
    "b": 220
  },
  "hsl": {
    "h": 240,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.54488,
    "c": 0.19203,
    "h": 277.9
  },
  "luminance": 0.14874
}

Semantic roles & 50–950 ramp

primary

#5B5BDC

secondary

#E2E2B1

accent

#CD19CD

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5B5BDC

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

Preview Lab → · Contrast checker → · Palette generator →