#5B4FA5#5B4FA5

#5B4FA5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.3% C 0.133 H 286.7°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#5B4FA5
RGB	rgb(91, 79, 165)
HSL	hsl(248, 35%, 48%)
HSV	hsv(248, 52%, 65%)
CMYK	cmyk(44.8%, 52.1%, 0%, 35.3%)
CIE-LAB	lab(38.78, 27.30, -44.98)
CIE-LCH	lch(38.78, 52.62, 301.26°)
OKLab	oklab(48.33% 0.0383 -0.1278)
OKLCH	oklch(48.33% 0.133 286.7)
XYZ	xyz(13.8999, 10.5322, 36.8905)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B4FA5 #99A54F

analogous

#4F6EA5 #5B4FA5 #864FA5

triadic

#5B4FA5 #A55B4F #4FA55B

tetradic

#5B4FA5 #A54F6E #99A54F #4FA586

square

#5B4FA5 #A54F6E #99A54F #4FA586

split-complementary

#5B4FA5 #A5864F #6EA54F

monochromatic

#2D2752 #443B7C #5B4FA5 #7F75BD #A59ED1

Accessibility & contrast

On white

6.76

#5B4FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#5B4FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B4FA5

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B4FA5	#FFFFFF	#000000	##FFFFFF
##5B4FA5	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285EA8

Deuteranopia (green-blind)

#2759A3

Tritanopia (blue-blind)

#446172

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #5b4fa5;
/* rgb */ color: rgb(91, 79, 165);
/* oklch */ color: oklch(48.3% 0.133 286.7);

Tailwind

colors: {
  custom: {
    50: '#8e80c0',
    500: '#5b4fa5',
    950: '#000000',
  },
}

SCSS

$custom: #5b4fa5;
$custom-light: #8e80c0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b4fa5",
  "rgb": {
    "r": 91,
    "g": 79,
    "b": 165
  },
  "hsl": {
    "h": 248.372,
    "s": 35.246,
    "l": 47.843
  },
  "oklch": {
    "l": 0.4833,
    "c": 0.13346,
    "h": 286.7
  },
  "luminance": 0.10533
}

Semantic roles & 50–950 ramp

primary

#5B4FA5

secondary

#B7BD92

accent

#CB5DBC

background

#F9F7FB

surface

#F1EEF7

border

#CBC9D0

text

#0D0A12

muted

#7E7C81

Preview Lab

Preview with #5B4FA5

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

Preview Lab → · Contrast checker → · Palette generator →