#5B5FCD#5B5FCD

#5B5FCD is a mid, vivid blue. Relative luminance 0.148; OKLCH L 54.1% C 0.167 H 277.7°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FCD
RGB	rgb(91, 95, 205)
HSL	hsl(238, 53%, 58%)
HSV	hsv(238, 56%, 80%)
CMYK	cmyk(55.6%, 53.7%, 0%, 19.6%)
CIE-LAB	lab(45.38, 29.94, -57.76)
CIE-LCH	lch(45.38, 65.06, 297.40°)
OKLab	oklab(54.1% 0.0223 -0.1653)
OKLCH	oklch(54.1% 0.167 277.7)
XYZ	xyz(19.4225, 14.8150, 59.5819)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FCD #CDC95B

analogous

#5B98CD #5B5FCD #905BCD

triadic

#5B5FCD #CD5B5F #5FCD5B

tetradic

#5B5FCD #CD5B98 #CDC95B #5BCD90

square

#5B5FCD #CD5B98 #CDC95B #5BCD90

split-complementary

#5B5FCD #CD905B #98CD5B

monochromatic

#292C85 #373BB4 #5B5FCD #8A8DDB #B9BBEA

Accessibility & contrast

On white

5.30

#5B5FCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#5B5FCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FCD

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FCD	#FFFFFF	#000000	##FFFFFF
##5B5FCD	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C70D1

Deuteranopia (green-blind)

#0067CB

Tritanopia (blue-blind)

#1F788D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5b5fcd;
/* rgb */ color: rgb(91, 95, 205);
/* oklch */ color: oklch(54.1% 0.167 277.7);

Tailwind

colors: {
  custom: {
    50: '#928cdd',
    500: '#5b5fcd',
    950: '#000000',
  },
}

SCSS

$custom: #5b5fcd;
$custom-light: #928cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5fcd",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 205
  },
  "hsl": {
    "h": 237.895,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.54098,
    "c": 0.16681,
    "h": 277.7
  },
  "luminance": 0.14816
}

Semantic roles & 50–950 ramp

primary

#5B5FCD

secondary

#D9D7AB

accent

#D84BDD

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B5FCD

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

Preview Lab → · Contrast checker → · Palette generator →