#5B71CE#5B71CE

#5B71CE is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.7% C 0.145 H 271.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5B71CE
RGB	rgb(91, 113, 206)
HSL	hsl(229, 54%, 58%)
HSV	hsv(229, 56%, 81%)
CMYK	cmyk(55.8%, 45.1%, 0%, 19.2%)
CIE-LAB	lab(50.08, 19.13, -50.78)
CIE-LCH	lch(50.08, 54.26, 290.64°)
OKLab	oklab(57.67% 0.0031 -0.1446)
OKLCH	oklch(57.67% 0.145 271.2)
XYZ	xyz(21.3564, 18.4891, 60.8239)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71CE #CEB85B

analogous

#5BAACE #5B71CE #7E5BCE

triadic

#5B71CE #CE5B71 #71CE5B

tetradic

#5B71CE #CE5BAA #CEB85B #5BCE7E

square

#5B71CE #CE5BAA #CEB85B #5BCE7E

split-complementary

#5B71CE #CE7E5B #AACE5B

monochromatic

#283A86 #364FB6 #5B71CE #8A9ADC #B9C3EA

Accessibility & contrast

On white

4.47

#5B71CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5B71CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71CE

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71CE	#FFFFFF	#000000	##000000
##5B71CE	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#477CD1

Deuteranopia (green-blind)

#3872CC

Tritanopia (blue-blind)

#178695

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b71ce;
/* rgb */ color: rgb(91, 113, 206);
/* oklch */ color: oklch(57.7% 0.145 271.2);

Tailwind

colors: {
  custom: {
    50: '#9299dd',
    500: '#5b71ce',
    950: '#000000',
  },
}

SCSS

$custom: #5b71ce;
$custom-light: #9299dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71ce",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 206
  },
  "hsl": {
    "h": 228.522,
    "s": 53.991,
    "l": 58.235
  },
  "oklch": {
    "l": 0.57673,
    "c": 0.14464,
    "h": 271.2
  },
  "luminance": 0.18491
}

Semantic roles & 50–950 ramp

primary

#5B71CE

secondary

#D9D1AB

accent

#C14ADD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B71CE

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

Preview Lab → · Contrast checker → · Palette generator →