#5B75CF#5B75CF

#5B75CF is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.6% C 0.141 H 269.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B75CF
RGB	rgb(91, 117, 207)
HSL	hsl(227, 55%, 58%)
HSV	hsv(227, 56%, 81%)
CMYK	cmyk(56%, 43.5%, 0%, 18.8%)
CIE-LAB	lab(51.21, 16.99, -49.55)
CIE-LCH	lch(51.21, 52.38, 288.93°)
OKLab	oklab(58.55% -0.0011 -0.141)
OKLCH	oklch(58.55% 0.141 269.5)
XYZ	xyz(21.9344, 19.4501, 61.6178)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B75CF #CFB55B

analogous

#5BAFCF #5B75CF #7B5BCF

triadic

#5B75CF #CF5B75 #75CF5B

tetradic

#5B75CF #CF5BAF #CFB55B #5BCF7B

square

#5B75CF #CF5BAF #CFB55B #5BCF7B

split-complementary

#5B75CF #CF7B5B #AFCF5B

monochromatic

#283D88 #3653B7 #5B75CF #8A9DDD #BAC5EB

Accessibility & contrast

On white

4.29

#5B75CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#5B75CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B75CF

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B75CF	#FFFFFF	#000000	##000000
##5B75CF	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7FD2

Deuteranopia (green-blind)

#3F75CD

Tritanopia (blue-blind)

#128998

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b75cf;
/* rgb */ color: rgb(91, 117, 207);
/* oklch */ color: oklch(58.6% 0.141 269.5);

Tailwind

colors: {
  custom: {
    50: '#929cde',
    500: '#5b75cf',
    950: '#000000',
  },
}

SCSS

$custom: #5b75cf;
$custom-light: #929cde;
$custom-dark: #000000;

JSON

{
  "hex": "#5b75cf",
  "rgb": {
    "r": 91,
    "g": 117,
    "b": 207
  },
  "hsl": {
    "h": 226.552,
    "s": 54.717,
    "l": 58.431
  },
  "oklch": {
    "l": 0.58552,
    "c": 0.14097,
    "h": 269.5
  },
  "luminance": 0.19452
}

Semantic roles & 50–950 ramp

primary

#5B75CF

secondary

#DAD0AC

accent

#BD4ADE

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #5B75CF

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

Preview Lab → · Contrast checker → · Palette generator →