#5B71D8#5B71D8

#5B71D8 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.3% C 0.159 H 271.6°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5B71D8
RGB	rgb(91, 113, 216)
HSL	hsl(229, 62%, 60%)
HSV	hsv(229, 58%, 85%)
CMYK	cmyk(57.9%, 47.7%, 0%, 15.3%)
CIE-LAB	lab(50.68, 22.41, -55.51)
CIE-LCH	lch(50.68, 59.87, 291.98°)
OKLab	oklab(58.32% 0.0045 -0.1585)
OKLCH	oklch(58.32% 0.159 271.6)
XYZ	xyz(22.6101, 18.9905, 67.4265)
Luminance	0.1899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71D8 #D8C25B

analogous

#5BAFD8 #5B71D8 #835BD8

triadic

#5B71D8 #D85B71 #71D85B

tetradic

#5B71D8 #D85BAF #D8C25B #5BD883

square

#5B71D8 #D85BAF #D8C25B #5BD883

split-complementary

#5B71D8 #D8835B #AFD85B

monochromatic

#233795 #2F4AC7 #5B71D8 #8C9CE4 #BEC7F0

Accessibility & contrast

On white

4.38

#5B71D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#5B71D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71D8

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71D8	#FFFFFF	#000000	##000000
##5B71D8	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7EDC

Deuteranopia (green-blind)

#2B73D6

Tritanopia (blue-blind)

#00889A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b71d8;
/* rgb */ color: rgb(91, 113, 216);
/* oklch */ color: oklch(58.3% 0.159 271.6);

Tailwind

colors: {
  custom: {
    50: '#9399e5',
    500: '#5b71d8',
    950: '#000000',
  },
}

SCSS

$custom: #5b71d8;
$custom-light: #9399e5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71d8",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 216
  },
  "hsl": {
    "h": 229.44,
    "s": 61.576,
    "l": 60.196
  },
  "oklch": {
    "l": 0.58315,
    "c": 0.15859,
    "h": 271.6
  },
  "luminance": 0.18992
}

Semantic roles & 50–950 ramp

primary

#5B71D8

secondary

#DFD7AF

accent

#AB1CC9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71D8

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

Preview Lab → · Contrast checker → · Palette generator →