#5B6FDC#5B6FDC

#5B6FDC is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.2% C 0.167 H 272.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5B6FDC
RGB	rgb(91, 111, 220)
HSL	hsl(231, 65%, 61%)
HSV	hsv(231, 59%, 86%)
CMYK	cmyk(58.6%, 49.5%, 0%, 13.7%)
CIE-LAB	lab(50.40, 24.96, -58.22)
CIE-LCH	lch(50.40, 63.34, 293.21°)
OKLab	oklab(58.19% 0.007 -0.1665)
OKLCH	oklch(58.19% 0.167 272.4)
XYZ	xyz(22.9128, 18.7585, 70.1096)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6FDC #DCC85B

analogous

#5BAFDC #5B6FDC #875BDC

triadic

#5B6FDC #DC5B6F #6FDC5B

tetradic

#5B6FDC #DC5BAF #DCC85B #5BDC87

square

#5B6FDC #DC5BAF #DCC85B #5BDC87

split-complementary

#5B6FDC #DC875B #AFDC5B

monochromatic

#21349B #2C45CE #5B6FDC #8D9BE7 #C0C8F2

Accessibility & contrast

On white

4.42

#5B6FDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5B6FDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6FDC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6FDC	#FFFFFF	#000000	##000000
##5B6FDC	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#367EE0

Deuteranopia (green-blind)

#1D73DA

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b6fdc;
/* rgb */ color: rgb(91, 111, 220);
/* oklch */ color: oklch(58.2% 0.167 272.4);

Tailwind

colors: {
  custom: {
    50: '#9498e7',
    500: '#5b6fdc',
    950: '#000000',
  },
}

SCSS

$custom: #5b6fdc;
$custom-light: #9498e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6fdc",
  "rgb": {
    "r": 91,
    "g": 111,
    "b": 220
  },
  "hsl": {
    "h": 230.698,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58188,
    "c": 0.16665,
    "h": 272.4
  },
  "luminance": 0.1876
}

Semantic roles & 50–950 ramp

primary

#5B6FDC

secondary

#E2DAB1

accent

#B119CD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6FDC

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

Preview Lab → · Contrast checker → · Palette generator →