#5B75CC#5B75CC

#5B75CC is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.4% C 0.137 H 269.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5B75CC
RGB	rgb(91, 117, 204)
HSL	hsl(226, 53%, 58%)
HSV	hsv(226, 55%, 80%)
CMYK	cmyk(55.4%, 42.6%, 0%, 20%)
CIE-LAB	lab(51.04, 16.01, -48.11)
CIE-LCH	lch(51.04, 50.70, 288.41°)
OKLab	oklab(58.37% -0.0016 -0.1367)
OKLCH	oklch(58.37% 0.137 269.3)
XYZ	xyz(21.5711, 19.3048, 59.7045)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B75CC #CCB25B

analogous

#5BADCC #5B75CC #7A5BCC

triadic

#5B75CC #CC5B75 #75CC5B

tetradic

#5B75CC #CC5BAD #CCB25B #5BCC7A

square

#5B75CC #CC5BAD #CCB25B #5BCC7A

split-complementary

#5B75CC #CC7A5B #ADCC5B

monochromatic

#293E84 #3754B2 #5B75CC #8A9CDB #B8C4E9

Accessibility & contrast

On white

4.32

#5B75CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#5B75CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B75CC

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B75CC	#FFFFFF	#000000	##000000
##5B75CC	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#507FCF

Deuteranopia (green-blind)

#4275CA

Tritanopia (blue-blind)

#198896

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b75cc;
/* rgb */ color: rgb(91, 117, 204);
/* oklch */ color: oklch(58.4% 0.137 269.3);

Tailwind

colors: {
  custom: {
    50: '#919cdc',
    500: '#5b75cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b75cc;
$custom-light: #919cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b75cc",
  "rgb": {
    "r": 91,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 226.195,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.58369,
    "c": 0.13676,
    "h": 269.3
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary

#5B75CC

secondary

#D8CEAB

accent

#BB4CDC

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5B75CC

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

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