#5B71D5#5B71D5

#5B71D5 is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.1% C 0.154 H 271.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5B71D5
RGB	rgb(91, 113, 213)
HSL	hsl(229, 59%, 60%)
HSV	hsv(229, 57%, 84%)
CMYK	cmyk(57.3%, 46.9%, 0%, 16.5%)
CIE-LAB	lab(50.50, 21.42, -54.10)
CIE-LCH	lch(50.50, 58.19, 291.60°)
OKLab	oklab(58.12% 0.0041 -0.1544)
OKLCH	oklch(58.12% 0.154 271.5)
XYZ	xyz(22.2258, 18.8368, 65.4025)
Luminance	0.1884 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71D5 #D5BF5B

analogous

#5BAED5 #5B71D5 #825BD5

triadic

#5B71D5 #D55B71 #71D55B

tetradic

#5B71D5 #D55BAE #D5BF5B #5BD582

square

#5B71D5 #D55BAE #D5BF5B #5BD582

split-complementary

#5B71D5 #D5825B #AED55B

monochromatic

#253891 #324BC1 #5B71D5 #8C9BE1 #BCC5EE

Accessibility & contrast

On white

4.40

#5B71D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5B71D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71D5

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71D5	#FFFFFF	#000000	##000000
##5B71D5	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#417ED9

Deuteranopia (green-blind)

#2F73D3

Tritanopia (blue-blind)

#008799

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5b71d5;
/* rgb */ color: rgb(91, 113, 213);
/* oklch */ color: oklch(58.1% 0.154 271.5);

Tailwind

colors: {
  custom: {
    50: '#9399e2',
    500: '#5b71d5',
    950: '#000000',
  },
}

SCSS

$custom: #5b71d5;
$custom-light: #9399e2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71d5",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 213
  },
  "hsl": {
    "h": 229.18,
    "s": 59.223,
    "l": 59.608
  },
  "oklch": {
    "l": 0.5812,
    "c": 0.15443,
    "h": 271.5
  },
  "luminance": 0.18838
}

Semantic roles & 50–950 ramp

primary

#5B71D5

secondary

#DED5AE

accent

#C645E2

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B71D5

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

Preview Lab → · Contrast checker → · Palette generator →