#5B83EA#5B83EA

#5B83EA is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.1% C 0.161 H 266.0°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#5B83EA
RGB	rgb(91, 131, 234)
HSL	hsl(223, 77%, 64%)
HSV	hsv(223, 61%, 92%)
CMYK	cmyk(61.1%, 44%, 0%, 8.2%)
CIE-LAB	lab(56.48, 17.39, -56.32)
CIE-LCH	lch(56.48, 58.95, 287.15°)
OKLab	oklab(63.09% -0.0113 -0.1607)
OKLCH	oklch(63.09% 0.161 266)
XYZ	xyz(27.2769, 24.3949, 81.0972)
Luminance	0.2440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B83EA #EAC25B

analogous

#5BCAEA #5B83EA #7A5BEA

triadic

#5B83EA #EA5B83 #83EA5B

tetradic

#5B83EA #EA5BCA #EAC25B #5BEA7A

square

#5B83EA #EA5BCA #EAC25B #5BEA7A

split-complementary

#5B83EA #EA7A5B #CAEA5B

monochromatic

#1743B4 #255AE3 #5B83EA #91ACF1 #C8D5F8

Accessibility & contrast

On white

3.57

#5B83EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#5B83EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B83EA

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B83EA	#FFFFFF	#000000	##000000
##5B83EA	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538EEE

Deuteranopia (green-blind)

#3D81E8

Tritanopia (blue-blind)

#009AAB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5b83ea;
/* rgb */ color: rgb(91, 131, 234);
/* oklch */ color: oklch(63.1% 0.161 266.0);

Tailwind

colors: {
  custom: {
    50: '#95a6f1',
    500: '#5b83ea',
    950: '#000000',
  },
}

SCSS

$custom: #5b83ea;
$custom-light: #95a6f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5b83ea",
  "rgb": {
    "r": 91,
    "g": 131,
    "b": 234
  },
  "hsl": {
    "h": 223.217,
    "s": 77.297,
    "l": 63.725
  },
  "oklch": {
    "l": 0.63088,
    "c": 0.1611,
    "h": 266
  },
  "luminance": 0.24397
}

Semantic roles & 50–950 ramp

primary

#5B83EA

secondary

#EADCB7

accent

#A00CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5B83EA

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

Preview Lab → · Contrast checker → · Palette generator →