#5B4FBB#5B4FBB

#5B4FBB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.164 H 283.8°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#5B4FBB
RGB	rgb(91, 79, 187)
HSL	hsl(247, 44%, 52%)
HSV	hsv(247, 58%, 73%)
CMYK	cmyk(51.3%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(40.25, 34.06, -55.61)
CIE-LCH	lch(40.25, 65.21, 301.49°)
OKLab	oklab(49.89% 0.039 -0.1591)
OKLCH	oklch(49.89% 0.164 283.8)
XYZ	xyz(16.0773, 11.4031, 48.3579)
Luminance	0.1140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B4FBB #AFBB4F

analogous

#4F79BB #5B4FBB #914FBB

triadic

#5B4FBB #BB5B4F #4FBB5B

tetradic

#5B4FBB #BB4F79 #AFBB4F #4FBB91

square

#5B4FBB #BB4F79 #AFBB4F #4FBB91

split-complementary

#5B4FBB #BB914F #79BB4F

monochromatic

#2F2868 #433994 #5B4FBB #847BCC #ADA7DD

Accessibility & contrast

On white

6.40

#5B4FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#5B4FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B4FBB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B4FBB	#FFFFFF	#000000	##FFFFFF
##5B4FBB	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#005BB9

Tritanopia (blue-blind)

#36687D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #5b4fbb;
/* rgb */ color: rgb(91, 79, 187);
/* oklch */ color: oklch(49.9% 0.164 283.8);

Tailwind

colors: {
  custom: {
    50: '#9181d0',
    500: '#5b4fbb',
    950: '#000000',
  },
}

SCSS

$custom: #5b4fbb;
$custom-light: #9181d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b4fbb",
  "rgb": {
    "r": 91,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 246.667,
    "s": 44.262,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49892,
    "c": 0.1638,
    "h": 283.8
  },
  "luminance": 0.11404
}

Semantic roles & 50–950 ramp

primary

#5B4FBB

secondary

#C5CA9B

accent

#D454C6

background

#F9F7FC

surface

#F2EEF9

border

#CCC9D2

text

#0D0A14

muted

#7E7C82

Preview Lab

Preview with #5B4FBB

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

Preview Lab → · Contrast checker → · Palette generator →