#5B83F9#5B83F9

#5B83F9 is a light, vivid blue. Relative luminance 0.253; OKLCH L 64.0% C 0.181 H 267.1°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#5B83F9
RGB	rgb(91, 131, 249)
HSL	hsl(225, 93%, 67%)
HSV	hsv(225, 63%, 98%)
CMYK	cmyk(63.5%, 47.4%, 0%, 2.4%)
CIE-LAB	lab(57.36, 22.41, -63.23)
CIE-LCH	lch(57.36, 67.08, 289.52°)
OKLab	oklab(64.04% -0.0091 -0.181)
OKLCH	oklch(64.04% 0.181 267.1)
XYZ	xyz(29.5237, 25.2936, 92.9304)
Luminance	0.2530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83F9 #F9D15B

analogous

#5BD2F9 #5B83F9 #825BF9

triadic

#5B83F9 #F95B83 #83F95B

tetradic

#5B83F9 #F95BD2 #F9D15B #5BF982

square

#5B83F9 #F95BD2 #F9D15B #5BF982

split-complementary

#5B83F9 #F9825B #D2F95B

monochromatic

#083BD2 #2056F7 #5B83F9 #96B0FB #D1DCFD

Accessibility & contrast

On white

3.47

#5B83F9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#5B83F9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83F9

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83F9	#FFFFFF	#000000	##000000
##5B83F9	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4691FD

Deuteranopia (green-blind)

#2483F7

Tritanopia (blue-blind)

#009EB2

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5b83f9;
/* rgb */ color: rgb(91, 131, 249);
/* oklch */ color: oklch(64.0% 0.181 267.1);

Tailwind

colors: {
  custom: {
    50: '#98a6fc',
    500: '#5b83f9',
    950: '#000000',
  },
}

SCSS

$custom: #5b83f9;
$custom-light: #98a6fc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83f9",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 249
  },
  "hsl": {
    "h": 224.81,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.64044,
    "c": 0.18123,
    "h": 267.1
  },
  "luminance": 0.25296
}

Semantic roles & 50–950 ramp

primary

#5B83F9

secondary

#F1E4BE

accent

#AB00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #5B83F9

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

Preview Lab → · Contrast checker → · Palette generator →