#5B6FCE#5B6FCE

#5B6FCE is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.3% C 0.147 H 272.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#5B6FCE
RGB	rgb(91, 111, 206)
HSL	hsl(230, 54%, 58%)
HSV	hsv(230, 56%, 81%)
CMYK	cmyk(55.8%, 46.1%, 0%, 19.2%)
CIE-LAB	lab(49.55, 20.36, -51.63)
CIE-LCH	lch(49.55, 55.50, 291.52°)
OKLab	oklab(57.27% 0.0053 -0.1471)
OKLCH	oklch(57.27% 0.147 272.1)
XYZ	xyz(21.1358, 18.0477, 60.7503)
Luminance	0.1805 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6FCE #CEBA5B

analogous

#5BA8CE #5B6FCE #805BCE

triadic

#5B6FCE #CE5B6F #6FCE5B

tetradic

#5B6FCE #CE5BA8 #CEBA5B #5BCE80

square

#5B6FCE #CE5BA8 #CEBA5B #5BCE80

split-complementary

#5B6FCE #CE805B #A8CE5B

monochromatic

#283986 #364CB6 #5B6FCE #8A98DC #B9C2EA

Accessibility & contrast

On white

4.56

#5B6FCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#5B6FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6FCE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6FCE	#FFFFFF	#000000	##000000
##5B6FCE	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD2

Deuteranopia (green-blind)

#3471CC

Tritanopia (blue-blind)

#178494

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5b6fce;
/* rgb */ color: rgb(91, 111, 206);
/* oklch */ color: oklch(57.3% 0.147 272.1);

Tailwind

colors: {
  custom: {
    50: '#9298dd',
    500: '#5b6fce',
    950: '#000000',
  },
}

SCSS

$custom: #5b6fce;
$custom-light: #9298dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6fce",
  "rgb": {
    "r": 91,
    "g": 111,
    "b": 206
  },
  "hsl": {
    "h": 229.565,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57269,
    "c": 0.14721,
    "h": 272.1
  },
  "luminance": 0.18049
}

Semantic roles & 50–950 ramp

primary

#5B6FCE

secondary

#D9D1AB

accent

#C44ADD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B6FCE

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

Preview Lab → · Contrast checker → · Palette generator →