#5B6FDF#5B6FDF

#5B6FDF is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.4% C 0.171 H 272.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B6FDF
RGB	rgb(91, 111, 223)
HSL	hsl(231, 67%, 62%)
HSV	hsv(231, 59%, 87%)
CMYK	cmyk(59.2%, 50.2%, 0%, 12.5%)
CIE-LAB	lab(50.59, 25.95, -59.61)
CIE-LCH	lch(50.59, 65.01, 293.53°)
OKLab	oklab(58.39% 0.0072 -0.1706)
OKLCH	oklch(58.39% 0.171 272.4)
XYZ	xyz(23.3137, 18.9189, 72.2209)
Luminance	0.1892 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B6FDF #DFCB5B

analogous

#5BB1DF #5B6FDF #895BDF

triadic

#5B6FDF #DF5B6F #6FDF5B

tetradic

#5B6FDF #DF5BB1 #DFCB5B #5BDF89

square

#5B6FDF #DF5BB1 #DFCB5B #5BDF89

split-complementary

#5B6FDF #DF895B #B1DF5B

monochromatic

#1F33A0 #2943D4 #5B6FDF #8E9CE9 #C1C9F3

Accessibility & contrast

On white

4.39

#5B6FDF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#5B6FDF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B6FDF

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B6FDF	#FFFFFF	#000000	##000000
##5B6FDF	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327EE3

Deuteranopia (green-blind)

#1473DD

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b6fdf;
/* rgb */ color: rgb(91, 111, 223);
/* oklch */ color: oklch(58.4% 0.171 272.4);

Tailwind

colors: {
  custom: {
    50: '#9498ea',
    500: '#5b6fdf',
    950: '#000000',
  },
}

SCSS

$custom: #5b6fdf;
$custom-light: #9498ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5b6fdf",
  "rgb": {
    "r": 91,
    "g": 111,
    "b": 223
  },
  "hsl": {
    "h": 230.909,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58391,
    "c": 0.17074,
    "h": 272.4
  },
  "luminance": 0.18921
}

Semantic roles & 50–950 ramp

primary

#5B6FDF

secondary

#E3DCB2

accent

#B316CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B6FDF

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

Preview Lab → · Contrast checker → · Palette generator →