#5B5FCA#5B5FCA

#5B5FCA is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.9% C 0.163 H 277.8°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#5B5FCA
RGB	rgb(91, 95, 202)
HSL	hsl(238, 51%, 57%)
HSV	hsv(238, 55%, 79%)
CMYK	cmyk(55%, 53%, 0%, 20.8%)
CIE-LAB	lab(45.18, 28.97, -56.35)
CIE-LCH	lch(45.18, 63.36, 297.21°)
OKLab	oklab(53.89% 0.0222 -0.1612)
OKLCH	oklch(53.89% 0.163 277.8)
XYZ	xyz(19.0639, 14.6716, 57.6930)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B5FCA #CAC65B

analogous

#5B96CA #5B5FCA #8F5BCA

triadic

#5B5FCA #CA5B5F #5FCA5B

tetradic

#5B5FCA #CA5B96 #CAC65B #5BCA8F

square

#5B5FCA #CA5B96 #CAC65B #5BCA8F

split-complementary

#5B5FCA #CA8F5B #96CA5B

monochromatic

#2A2D81 #393DAF #5B5FCA #898CD9 #B8B9E8

Accessibility & contrast

On white

5.34

#5B5FCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#5B5FCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B5FCA

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B5FCA	#FFFFFF	#000000	##FFFFFF
##5B5FCA	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2170CE

Deuteranopia (green-blind)

#0767C8

Tritanopia (blue-blind)

#23778B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5b5fca;
/* rgb */ color: rgb(91, 95, 202);
/* oklch */ color: oklch(53.9% 0.163 277.8);

Tailwind

colors: {
  custom: {
    50: '#928cdb',
    500: '#5b5fca',
    950: '#000000',
  },
}

SCSS

$custom: #5b5fca;
$custom-light: #928cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b5fca",
  "rgb": {
    "r": 91,
    "g": 95,
    "b": 202
  },
  "hsl": {
    "h": 237.838,
    "s": 51.152,
    "l": 57.451
  },
  "oklch": {
    "l": 0.53885,
    "c": 0.16269,
    "h": 277.8
  },
  "luminance": 0.14673
}

Semantic roles & 50–950 ramp

primary

#5B5FCA

secondary

#D7D5AA

accent

#D64DDB

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0C15

muted

#7E7D83

Preview Lab

Preview with #5B5FCA

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

Preview Lab → · Contrast checker → · Palette generator →