#5B83CC#5B83CC

#5B83CC is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.3% C 0.120 H 261.7°. Best body text is #000000 at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#5B83CC
RGB	rgb(91, 131, 204)
HSL	hsl(219, 53%, 58%)
HSV	hsv(219, 55%, 80%)
CMYK	cmyk(55.4%, 35.8%, 0%, 20%)
CIE-LAB	lab(54.88, 7.52, -42.02)
CIE-LCH	lch(54.88, 42.69, 280.15°)
OKLab	oklab(61.33% -0.0174 -0.1188)
OKLCH	oklch(61.33% 0.12 261.7)
XYZ	xyz(23.3260, 22.8145, 60.2895)
Luminance	0.2282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83CC #CCA45B

analogous

#5BBBCC #5B83CC #6B5BCC

triadic

#5B83CC #CC5B83 #83CC5B

tetradic

#5B83CC #CC5BBB #CCA45B #5BCC6B

square

#5B83CC #CC5BBB #CCA45B #5BCC6B

split-complementary

#5B83CC #CC6B5B #BBCC5B

monochromatic

#294984 #3763B2 #5B83CC #8AA6DB #B8CAE9

Accessibility & contrast

On white

3.77

#5B83CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.56

#5B83CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83CC

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83CC	#FFFFFF	#000000	##000000
##5B83CC	1.00	3.77	5.56	5.56
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.56	21.00	1.00	1.00
##000000	5.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6589CF

Deuteranopia (green-blind)

#577FCA

Tritanopia (blue-blind)

#12939E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5b83cc;
/* rgb */ color: rgb(91, 131, 204);
/* oklch */ color: oklch(61.3% 0.120 261.7);

Tailwind

colors: {
  custom: {
    50: '#91a6dc',
    500: '#5b83cc',
    950: '#000000',
  },
}

SCSS

$custom: #5b83cc;
$custom-light: #91a6dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83cc",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 204
  },
  "hsl": {
    "h": 218.761,
    "s": 52.558,
    "l": 57.843
  },
  "oklch": {
    "l": 0.61333,
    "c": 0.12008,
    "h": 261.7
  },
  "luminance": 0.22816
}

Semantic roles & 50–950 ramp

primary

#5B83CC

secondary

#D8C8AB

accent

#A94CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5B83CC

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

Preview Lab → · Contrast checker → · Palette generator →