#5B8BF9#5B8BF9

#5B8BF9 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.6% C 0.172 H 264.4°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#5B8BF9
RGB	rgb(91, 139, 249)
HSL	hsl(222, 93%, 67%)
HSV	hsv(222, 63%, 98%)
CMYK	cmyk(63.5%, 44.2%, 0%, 2.4%)
CIE-LAB	lab(59.46, 17.59, -59.87)
CIE-LCH	lch(59.46, 62.39, 286.37°)
OKLab	oklab(65.65% -0.0167 -0.171)
OKLCH	oklch(65.65% 0.172 264.4)
XYZ	xyz(30.6399, 27.5261, 93.3025)
Luminance	0.2753 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8BF9 #F9C95B

analogous

#5BDAF9 #5B8BF9 #7A5BF9

triadic

#5B8BF9 #F95B8B #8BF95B

tetradic

#5B8BF9 #F95BDA #F9C95B #5BF97A

square

#5B8BF9 #F95BDA #F9C95B #5BF97A

split-complementary

#5B8BF9 #F97A5B #DAF95B

monochromatic

#0845D2 #2061F7 #5B8BF9 #96B5FB #D1DFFD

Accessibility & contrast

On white

3.23

#5B8BF9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#5B8BF9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8BF9

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8BF9	#FFFFFF	#000000	##000000
##5B8BF9	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)

#5697FD

Deuteranopia (green-blind)

#3C88F7

Tritanopia (blue-blind)

#00A4B6

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8bf9;
/* rgb */ color: rgb(91, 139, 249);
/* oklch */ color: oklch(65.6% 0.172 264.4);

Tailwind

colors: {
  custom: {
    50: '#97acfc',
    500: '#5b8bf9',
    950: '#000000',
  },
}

SCSS

$custom: #5b8bf9;
$custom-light: #97acfc;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8bf9",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 249
  },
  "hsl": {
    "h": 221.772,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.6565,
    "c": 0.17181,
    "h": 264.4
  },
  "luminance": 0.27529
}

Semantic roles & 50–950 ramp

primary

#5B8BF9

secondary

#F1E2BE

accent

#A000E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #5B8BF9

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

Preview Lab → · Contrast checker → · Palette generator →