#5B71DA#5B71DA

#5B71DA is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.4% C 0.161 H 271.7°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#5B71DA
RGB	rgb(91, 113, 218)
HSL	hsl(230, 63%, 61%)
HSV	hsv(230, 58%, 85%)
CMYK	cmyk(58.3%, 48.2%, 0%, 14.5%)
CIE-LAB	lab(50.80, 23.07, -56.45)
CIE-LCH	lch(50.80, 60.98, 292.23°)
OKLab	oklab(58.45% 0.0047 -0.1613)
OKLCH	oklch(58.45% 0.161 271.7)
XYZ	xyz(22.8702, 19.0946, 68.7965)
Luminance	0.1910 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71DA #DAC45B

analogous

#5BB1DA #5B71DA #845BDA

triadic

#5B71DA #DA5B71 #71DA5B

tetradic

#5B71DA #DA5BB1 #DAC45B #5BDA84

square

#5B71DA #DA5BB1 #DAC45B #5BDA84

split-complementary

#5B71DA #DA845B #B1DA5B

monochromatic

#223798 #2E49CA #5B71DA #8D9CE5 #BFC7F1

Accessibility & contrast

On white

4.36

#5B71DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#5B71DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71DA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71DA	#FFFFFF	#000000	##000000
##5B71DA	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7FDE

Deuteranopia (green-blind)

#2774D8

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5b71da;
/* rgb */ color: rgb(91, 113, 218);
/* oklch */ color: oklch(58.4% 0.161 271.7);

Tailwind

colors: {
  custom: {
    50: '#9499e6',
    500: '#5b71da',
    950: '#000000',
  },
}

SCSS

$custom: #5b71da;
$custom-light: #9499e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71da",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 218
  },
  "hsl": {
    "h": 229.606,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.58447,
    "c": 0.16135,
    "h": 271.7
  },
  "luminance": 0.19096
}

Semantic roles & 50–950 ramp

primary

#5B71DA

secondary

#E1D8B0

accent

#AC1BCB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5B71DA

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

Preview Lab → · Contrast checker → · Palette generator →