#5B58BC#5B58BC

#5B58BC is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.153 H 281.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B58BC
RGB	rgb(91, 88, 188)
HSL	hsl(242, 43%, 54%)
HSV	hsv(242, 53%, 74%)
CMYK	cmyk(51.6%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(42.51, 28.84, -52.54)
CIE-LCH	lch(42.51, 59.94, 298.76°)
OKLab	oklab(51.59% 0.029 -0.15)
OKLCH	oklch(51.59% 0.153 281)
XYZ	xyz(16.8784, 12.8335, 49.1549)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B58BC #B9BC58

analogous

#5887BC #5B58BC #8D58BC

triadic

#5B58BC #BC5B58 #58BC5B

tetradic

#5B58BC #BC5887 #B9BC58 #58BC8D

square

#5B58BC #BC5887 #B9BC58 #58BC8D

split-complementary

#5B58BC #BC8D58 #87BC58

monochromatic

#2E2C6E #403E99 #5B58BC #8684CE #B1AFDF

Accessibility & contrast

On white

5.89

#5B58BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#5B58BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5B58BC

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B58BC	#FFFFFF	#000000	##FFFFFF
##5B58BC	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2268BF

Deuteranopia (green-blind)

#1661BA

Tritanopia (blue-blind)

#346E81

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #5b58bc;
/* rgb */ color: rgb(91, 88, 188);
/* oklch */ color: oklch(51.6% 0.153 281.0);

Tailwind

colors: {
  custom: {
    50: '#9087d1',
    500: '#5b58bc',
    950: '#000000',
  },
}

SCSS

$custom: #5b58bc;
$custom-light: #9087d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b58bc",
  "rgb": {
    "r": 91,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 241.8,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.51593,
    "c": 0.15281,
    "h": 281
  },
  "luminance": 0.12834
}

Semantic roles & 50–950 ramp

primary

#5B58BC

secondary

#CCCDA3

accent

#D355CF

background

#F9F8FC

surface

#F2EFF9

border

#CCCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5B58BC

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

Preview Lab → · Contrast checker → · Palette generator →