#5B71E5#5B71E5

#5B71E5 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.2% C 0.176 H 271.9°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5B71E5
RGB	rgb(91, 113, 229)
HSL	hsl(230, 73%, 63%)
HSV	hsv(230, 60%, 90%)
CMYK	cmyk(60.3%, 50.7%, 0%, 10.2%)
CIE-LAB	lab(51.48, 26.71, -61.55)
CIE-LCH	lch(51.48, 67.09, 293.46°)
OKLab	oklab(59.19% 0.0058 -0.1763)
OKLCH	oklch(59.19% 0.176 271.9)
XYZ	xyz(24.3577, 19.6896, 76.6304)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71E5 #E5CF5B

analogous

#5BB6E5 #5B71E5 #8A5BE5

triadic

#5B71E5 #E55B71 #71E55B

tetradic

#5B71E5 #E55BB6 #E5CF5B #5BE58A

square

#5B71E5 #E55BB6 #E5CF5B #5BE58A

split-complementary

#5B71E5 #E58A5B #B6E55B

monochromatic

#1B32AB #2643DD #5B71E5 #909FED #C5CCF6

Accessibility & contrast

On white

4.25

#5B71E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#5B71E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71E5

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71E5	#FFFFFF	#000000	##000000
##5B71E5	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3081E9

Deuteranopia (green-blind)

#0675E3

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b71e5;
/* rgb */ color: rgb(91, 113, 229);
/* oklch */ color: oklch(59.2% 0.176 271.9);

Tailwind

colors: {
  custom: {
    50: '#9599ee',
    500: '#5b71e5',
    950: '#000000',
  },
}

SCSS

$custom: #5b71e5;
$custom-light: #9599ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71e5",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 229
  },
  "hsl": {
    "h": 230.435,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.59187,
    "c": 0.17638,
    "h": 271.9
  },
  "luminance": 0.19692
}

Semantic roles & 50–950 ramp

primary

#5B71E5

secondary

#E7DFB5

accent

#B511D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71E5

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

Preview Lab → · Contrast checker → · Palette generator →