#5B5FAC#5B5FAC

#5B5FAC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.9% C 0.120 H 279.1°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FAC
RGB	rgb(91, 95, 172)
HSL	hsl(237, 33%, 52%)
HSV	hsv(237, 47%, 67%)
CMYK	cmyk(47.1%, 44.8%, 0%, 32.5%)
CIE-LAB	lab(43.34, 19.44, -41.84)
CIE-LCH	lch(43.34, 46.14, 294.92°)
OKLab	oklab(51.9% 0.019 -0.1186)
OKLCH	oklch(51.9% 0.12 279.1)
XYZ	xyz(15.8507, 13.3863, 40.7703)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FAC #ACA85B

analogous

#5B88AC #5B5FAC #805BAC

triadic

#5B5FAC #AC5B5F #5FAC5B

tetradic

#5B5FAC #AC5B88 #ACA85B #5BAC80

square

#5B5FAC #AC5B88 #ACA85B #5BAC80

split-complementary

#5B5FAC #AC805B #88AC5B

monochromatic

#2F325D #444786 #5B5FAC #8487C1 #ACAED5

Accessibility & contrast

On white

5.71

#5B5FAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#5B5FAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FAC

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FAC	#FFFFFF	#000000	##FFFFFF
##5B5FAC	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406AAF

Deuteranopia (green-blind)

#3A63AA

Tritanopia (blue-blind)

#3E6F7D

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #5b5fac;
/* rgb */ color: rgb(91, 95, 172);
/* oklch */ color: oklch(51.9% 0.120 279.1);

Tailwind

colors: {
  custom: {
    50: '#8e8cc5',
    500: '#5b5fac',
    950: '#000000',
  },
}

SCSS

$custom: #5b5fac;
$custom-light: #8e8cc5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5fac",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 172
  },
  "hsl": {
    "h": 237.037,
    "s": 32.794,
    "l": 51.569
  },
  "oklch": {
    "l": 0.51903,
    "c": 0.12007,
    "h": 279.1
  },
  "luminance": 0.13387
}

Semantic roles & 50–950 ramp

primary

#5B5FAC

secondary

#C3C1A0

accent

#C45FC9

background

#F9F8FC

surface

#F1F0F8

border

#CBCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #5B5FAC

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

Preview Lab → · Contrast checker → · Palette generator →