#5B82EF#5B82EF

#5B82EF is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.2% C 0.169 H 266.8°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#5B82EF
RGB	rgb(91, 130, 239)
HSL	hsl(224, 82%, 65%)
HSV	hsv(224, 62%, 94%)
CMYK	cmyk(61.9%, 45.6%, 0%, 6.3%)
CIE-LAB	lab(56.50, 19.66, -59.07)
CIE-LCH	lch(56.50, 62.25, 288.41°)
OKLab	oklab(63.2% -0.0095 -0.1688)
OKLCH	oklch(63.2% 0.169 266.8)
XYZ	xyz(27.8717, 24.4189, 84.8891)
Luminance	0.2442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B82EF #EFC85B

analogous

#5BCCEF #5B82EF #7E5BEF

triadic

#5B82EF #EF5B82 #82EF5B

tetradic

#5B82EF #EF5BCC #EFC85B #5BEF7E

square

#5B82EF #EF5BCC #EFC85B #5BEF7E

split-complementary

#5B82EF #EF7E5B #CCEF5B

monochromatic

#123FBD #2358EA #5B82EF #93ADF4 #CBD7FA

Accessibility & contrast

On white

3.57

#5B82EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#5B82EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B82EF

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B82EF	#FFFFFF	#000000	##000000
##5B82EF	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)

#4D8FF3

Deuteranopia (green-blind)

#3481ED

Tritanopia (blue-blind)

#009BAD

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5b82ef;
/* rgb */ color: rgb(91, 130, 239);
/* oklch */ color: oklch(63.2% 0.169 266.8);

Tailwind

colors: {
  custom: {
    50: '#96a5f5',
    500: '#5b82ef',
    950: '#000000',
  },
}

SCSS

$custom: #5b82ef;
$custom-light: #96a5f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b82ef",
  "rgb": {
    "r": 91,
    "g": 130,
    "b": 239
  },
  "hsl": {
    "h": 224.189,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.632,
    "c": 0.16904,
    "h": 266.8
  },
  "luminance": 0.24421
}

Semantic roles & 50–950 ramp

primary

#5B82EF

secondary

#ECDFBA

accent

#A607DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B82EF

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

Preview Lab → · Contrast checker → · Palette generator →