#5B71DF#5B71DF

#5B71DF is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.8% C 0.168 H 271.8°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5B71DF
RGB	rgb(91, 113, 223)
HSL	hsl(230, 67%, 62%)
HSV	hsv(230, 59%, 87%)
CMYK	cmyk(59.2%, 49.3%, 0%, 12.5%)
CIE-LAB	lab(51.11, 24.72, -58.78)
CIE-LCH	lch(51.11, 63.77, 292.81°)
OKLab	oklab(58.78% 0.0052 -0.1681)
OKLCH	oklch(58.78% 0.168 271.8)
XYZ	xyz(23.5344, 19.3602, 72.2944)
Luminance	0.1936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71DF #DFC95B

analogous

#5BB3DF #5B71DF #875BDF

triadic

#5B71DF #DF5B71 #71DF5B

tetradic

#5B71DF #DF5BB3 #DFC95B #5BDF87

square

#5B71DF #DF5BB3 #DFC95B #5BDF87

split-complementary

#5B71DF #DF875B #B3DF5B

monochromatic

#1F35A0 #2946D4 #5B71DF #8E9DE9 #C1CAF3

Accessibility & contrast

On white

4.31

#5B71DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#5B71DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71DF

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71DF	#FFFFFF	#000000	##000000
##5B71DF	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3780E3

Deuteranopia (green-blind)

#1D74DD

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5b71df;
/* rgb */ color: rgb(91, 113, 223);
/* oklch */ color: oklch(58.8% 0.168 271.8);

Tailwind

colors: {
  custom: {
    50: '#9499ea',
    500: '#5b71df',
    950: '#000000',
  },
}

SCSS

$custom: #5b71df;
$custom-light: #9499ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71df",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 223
  },
  "hsl": {
    "h": 230,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.5878,
    "c": 0.16821,
    "h": 271.8
  },
  "luminance": 0.19362
}

Semantic roles & 50–950 ramp

primary

#5B71DF

secondary

#E3DBB2

accent

#B016CF

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71DF

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

Preview Lab → · Contrast checker → · Palette generator →