#5B8EE4#5B8EE4

#5B8EE4 is a light, vivid blue. Relative luminance 0.272; OKLCH L 65.0% C 0.140 H 260.3°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#5B8EE4
RGB	rgb(91, 142, 228)
HSL	hsl(218, 72%, 63%)
HSV	hsv(218, 60%, 89%)
CMYK	cmyk(60.1%, 37.7%, 0%, 10.6%)
CIE-LAB	lab(59.13, 8.80, -48.77)
CIE-LCH	lch(59.13, 49.56, 280.23°)
OKLab	oklab(65.03% -0.0237 -0.1384)
OKLCH	oklch(65.03% 0.14 260.3)
XYZ	xyz(27.9861, 27.1691, 77.1531)
Luminance	0.2717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8EE4 #E4B15B

analogous

#5BD3E4 #5B8EE4 #6C5BE4

triadic

#5B8EE4 #E45B8E #8EE45B

tetradic

#5B8EE4 #E45BD3 #E4B15B #5BE46C

square

#5B8EE4 #E45BD3 #E4B15B #5BE46C

split-complementary

#5B8EE4 #E46C5B #D3E45B

monochromatic

#1C50A9 #266ADB #5B8EE4 #90B2ED #C4D6F5

Accessibility & contrast

On white

3.26

#5B8EE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#5B8EE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EE4

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8EE4	#FFFFFF	#000000	##000000
##5B8EE4	1.00	3.26	6.43	6.43
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6995E7

Deuteranopia (green-blind)

#5788E2

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b8ee4;
/* rgb */ color: rgb(91, 142, 228);
/* oklch */ color: oklch(65.0% 0.140 260.3);

Tailwind

colors: {
  custom: {
    50: '#94aeed',
    500: '#5b8ee4',
    950: '#000000',
  },
}

SCSS

$custom: #5b8ee4;
$custom-light: #94aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8ee4",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 228
  },
  "hsl": {
    "h": 217.664,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.65028,
    "c": 0.14043,
    "h": 260.3
  },
  "luminance": 0.27172
}

Semantic roles & 50–950 ramp

primary

#5B8EE4

secondary

#E6D4B4

accent

#8C12D4

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8EE4

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

Preview Lab → · Contrast checker → · Palette generator →