#5B71DC#5B71DC

#5B71DC is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.6% C 0.164 H 271.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5B71DC
RGB	rgb(91, 113, 220)
HSL	hsl(230, 65%, 61%)
HSV	hsv(230, 59%, 86%)
CMYK	cmyk(58.6%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(50.92, 23.73, -57.38)
CIE-LCH	lch(50.92, 62.10, 292.47°)
OKLab	oklab(58.58% 0.0049 -0.164)
OKLCH	oklch(58.58% 0.164 271.7)
XYZ	xyz(23.1335, 19.1999, 70.1832)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71DC #DCC65B

analogous

#5BB2DC #5B71DC #855BDC

triadic

#5B71DC #DC5B71 #71DC5B

tetradic

#5B71DC #DC5BB2 #DCC65B #5BDC85

square

#5B71DC #DC5BB2 #DCC65B #5BDC85

split-complementary

#5B71DC #DC855B #B2DC5B

monochromatic

#21369B #2C48CE #5B71DC #8D9DE7 #C0C8F2

Accessibility & contrast

On white

4.34

#5B71DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5B71DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71DC

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71DC	#FFFFFF	#000000	##000000
##5B71DC	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7FE0

Deuteranopia (green-blind)

#2474DA

Tritanopia (blue-blind)

#00899C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b71dc;
/* rgb */ color: rgb(91, 113, 220);
/* oklch */ color: oklch(58.6% 0.164 271.7);

Tailwind

colors: {
  custom: {
    50: '#9499e7',
    500: '#5b71dc',
    950: '#000000',
  },
}

SCSS

$custom: #5b71dc;
$custom-light: #9499e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71dc",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 229.767,
    "s": 64.824,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58579,
    "c": 0.1641,
    "h": 271.7
  },
  "luminance": 0.19202
}

Semantic roles & 50–950 ramp

primary

#5B71DC

secondary

#E2D9B1

accent

#AE19CD

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71DC

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

Preview Lab → · Contrast checker → · Palette generator →