#5B8FE5#5B8FE5

#5B8FE5 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.141 H 260.0°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FE5
RGB	rgb(91, 143, 229)
HSL	hsl(217, 73%, 63%)
HSV	hsv(217, 60%, 90%)
CMYK	cmyk(60.3%, 37.6%, 0%, 10.2%)
CIE-LAB	lab(59.46, 8.54, -48.81)
CIE-LCH	lch(59.46, 49.55, 279.92°)
OKLab	oklab(65.3% -0.0245 -0.1385)
OKLCH	oklch(65.3% 0.141 260)
XYZ	xyz(28.2747, 27.5237, 77.9361)
Luminance	0.2753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FE5 #E5B15B

analogous

#5BD4E5 #5B8FE5 #6C5BE5

triadic

#5B8FE5 #E55B8F #8FE55B

tetradic

#5B8FE5 #E55BD4 #E5B15B #5BE56C

square

#5B8FE5 #E55BD4 #E5B15B #5BE56C

split-complementary

#5B8FE5 #E56C5B #D4E55B

monochromatic

#1B51AB #266BDD #5B8FE5 #90B3ED #C5D7F6

Accessibility & contrast

On white

3.23

#5B8FE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#5B8FE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FE5

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FE5	#FFFFFF	#000000	##000000
##5B8FE5	1.00	3.23	6.51	6.51
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A96E8

Deuteranopia (green-blind)

#5789E3

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8fe5;
/* rgb */ color: rgb(91, 143, 229);
/* oklch */ color: oklch(65.3% 0.141 260.0);

Tailwind

colors: {
  custom: {
    50: '#94afed',
    500: '#5b8fe5',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fe5;
$custom-light: #94afed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fe5",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 229
  },
  "hsl": {
    "h": 217.391,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.65297,
    "c": 0.14067,
    "h": 260
  },
  "luminance": 0.27526
}

Semantic roles & 50–950 ramp

primary

#5B8FE5

secondary

#E7D4B5

accent

#8B11D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8FE5

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

Preview Lab → · Contrast checker → · Palette generator →