#5B71CD#5B71CD

#5B71CD is a mid, vivid blue. Relative luminance 0.184; OKLCH L 57.6% C 0.143 H 271.2°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#5B71CD
RGB	rgb(91, 113, 205)
HSL	hsl(228, 53%, 58%)
HSV	hsv(228, 56%, 80%)
CMYK	cmyk(55.6%, 44.9%, 0%, 19.6%)
CIE-LAB	lab(50.03, 18.80, -50.30)
CIE-LCH	lch(50.03, 53.70, 290.49°)
OKLab	oklab(57.61% 0.0029 -0.1432)
OKLCH	oklch(57.61% 0.143 271.2)
XYZ	xyz(21.2353, 18.4406, 60.1862)
Luminance	0.1844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B71CD #CDB75B

analogous

#5BAACD #5B71CD #7E5BCD

triadic

#5B71CD #CD5B71 #71CD5B

tetradic

#5B71CD #CD5BAA #CDB75B #5BCD7E

square

#5B71CD #CD5BAA #CDB75B #5BCD7E

split-complementary

#5B71CD #CD7E5B #AACD5B

monochromatic

#293A85 #374FB4 #5B71CD #8A9ADB #B9C2EA

Accessibility & contrast

On white

4.48

#5B71CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#5B71CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B71CD

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B71CD	#FFFFFF	#000000	##000000
##5B71CD	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#487CD0

Deuteranopia (green-blind)

#3972CB

Tritanopia (blue-blind)

#198595

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5b71cd;
/* rgb */ color: rgb(91, 113, 205);
/* oklch */ color: oklch(57.6% 0.143 271.2);

Tailwind

colors: {
  custom: {
    50: '#9299dd',
    500: '#5b71cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b71cd;
$custom-light: #9299dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5b71cd",
  "rgb": {
    "r": 91,
    "g": 113,
    "b": 205
  },
  "hsl": {
    "h": 228.421,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.57611,
    "c": 0.14324,
    "h": 271.2
  },
  "luminance": 0.18442
}

Semantic roles & 50–950 ramp

primary

#5B71CD

secondary

#D9D0AB

accent

#C14BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #5B71CD

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

Preview Lab → · Contrast checker → · Palette generator →