#5B83CD#5B83CD

#5B83CD is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.4% C 0.121 H 261.9°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5B83CD
RGB	rgb(91, 131, 205)
HSL	hsl(219, 53%, 58%)
HSV	hsv(219, 56%, 80%)
CMYK	cmyk(55.6%, 36.1%, 0%, 19.6%)
CIE-LAB	lab(54.93, 7.85, -42.51)
CIE-LCH	lch(54.93, 43.23, 280.46°)
OKLab	oklab(61.39% -0.0171 -0.1202)
OKLCH	oklch(61.39% 0.121 261.9)
XYZ	xyz(23.4464, 22.8627, 60.9232)
Luminance	0.2286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83CD #CDA55B

analogous

#5BBCCD #5B83CD #6C5BCD

triadic

#5B83CD #CD5B83 #83CD5B

tetradic

#5B83CD #CD5BBC #CDA55B #5BCD6C

square

#5B83CD #CD5BBC #CDA55B #5BCD6C

split-complementary

#5B83CD #CD6C5B #BCCD5B

monochromatic

#294985 #3763B4 #5B83CD #8AA6DB #B9CAEA

Accessibility & contrast

On white

3.77

#5B83CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#5B83CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83CD

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83CD	#FFFFFF	#000000	##000000
##5B83CD	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6589D0

Deuteranopia (green-blind)

#577FCB

Tritanopia (blue-blind)

#0F939E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5b83cd;
/* rgb */ color: rgb(91, 131, 205);
/* oklch */ color: oklch(61.4% 0.121 261.9);

Tailwind

colors: {
  custom: {
    50: '#91a6dc',
    500: '#5b83cd',
    950: '#000000',
  },
}

SCSS

$custom: #5b83cd;
$custom-light: #91a6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83cd",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 205
  },
  "hsl": {
    "h": 218.947,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.61388,
    "c": 0.12146,
    "h": 261.9
  },
  "luminance": 0.22865
}

Semantic roles & 50–950 ramp

primary

#5B83CD

secondary

#D9C9AB

accent

#AA4BDD

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5B83CD

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

Preview Lab → · Contrast checker → · Palette generator →