#5B83EC#5B83EC

#5B83EC is a light, vivid blue. Relative luminance 0.245; OKLCH L 63.2% C 0.164 H 266.2°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#5B83EC
RGB	rgb(91, 131, 236)
HSL	hsl(223, 79%, 64%)
HSV	hsv(223, 61%, 93%)
CMYK	cmyk(61.4%, 44.5%, 0%, 7.5%)
CIE-LAB	lab(56.60, 18.05, -57.25)
CIE-LCH	lch(56.60, 60.03, 287.50°)
OKLab	oklab(63.21% -0.011 -0.1634)
OKLCH	oklch(63.21% 0.164 266.2)
XYZ	xyz(27.5658, 24.5105, 82.6189)
Luminance	0.2451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83EC #ECC45B

analogous

#5BCCEC #5B83EC #7C5BEC

triadic

#5B83EC #EC5B83 #83EC5B

tetradic

#5B83EC #EC5BCC #ECC45B #5BEC7C

square

#5B83EC #EC5BCC #ECC45B #5BEC7C

split-complementary

#5B83EC #EC7C5B #CCEC5B

monochromatic

#1542B7 #245AE6 #5B83EC #92ACF2 #C9D6F9

Accessibility & contrast

On white

3.56

#5B83EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#5B83EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83EC

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83EC	#FFFFFF	#000000	##000000
##5B83EC	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#518FF0

Deuteranopia (green-blind)

#3A82EA

Tritanopia (blue-blind)

#009BAC

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5b83ec;
/* rgb */ color: rgb(91, 131, 236);
/* oklch */ color: oklch(63.2% 0.164 266.2);

Tailwind

colors: {
  custom: {
    50: '#96a6f3',
    500: '#5b83ec',
    950: '#000000',
  },
}

SCSS

$custom: #5b83ec;
$custom-light: #96a6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83ec",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 236
  },
  "hsl": {
    "h": 223.448,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.63213,
    "c": 0.1638,
    "h": 266.2
  },
  "luminance": 0.24513
}

Semantic roles & 50–950 ramp

primary

#5B83EC

secondary

#EBDDB8

accent

#A20ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5B83EC

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

Preview Lab → · Contrast checker → · Palette generator →