#5B8DF5#5B8DF5

#5B8DF5 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.164 H 263.3°. Best body text is #000000 at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#5B8DF5
RGB	rgb(91, 141, 245)
HSL	hsl(221, 89%, 66%)
HSV	hsv(221, 63%, 96%)
CMYK	cmyk(62.9%, 42.4%, 0%, 3.9%)
CIE-LAB	lab(59.77, 15.04, -57.17)
CIE-LCH	lch(59.77, 59.12, 284.74°)
OKLab	oklab(65.81% -0.0193 -0.1631)
OKLCH	oklch(65.81% 0.164 263.3)
XYZ	xyz(30.3149, 27.8637, 90.1491)
Luminance	0.2787 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8DF5 #F5C35B

analogous

#5BDAF5 #5B8DF5 #765BF5

triadic

#5B8DF5 #F55B8D #8DF55B

tetradic

#5B8DF5 #F55BDA #F5C35B #5BF576

square

#5B8DF5 #F55BDA #F5C35B #5BF576

split-complementary

#5B8DF5 #F5765B #DAF55B

monochromatic

#0C4AC9 #2165F1 #5B8DF5 #95B5F9 #CEDDFC

Accessibility & contrast

On white

3.19

#5B8DF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.57

#5B8DF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8DF5

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8DF5	#FFFFFF	#000000	##000000
##5B8DF5	1.00	3.19	6.57	6.57
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.57	21.00	1.00	1.00
##000000	6.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D98F9

Deuteranopia (green-blind)

#4589F3

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5b8df5;
/* rgb */ color: rgb(91, 141, 245);
/* oklch */ color: oklch(65.8% 0.164 263.3);

Tailwind

colors: {
  custom: {
    50: '#97adf9',
    500: '#5b8df5',
    950: '#000000',
  },
}

SCSS

$custom: #5b8df5;
$custom-light: #97adf9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8df5",
  "rgb": {
    "r": 91,
    "g": 141,
    "b": 245
  },
  "hsl": {
    "h": 220.519,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.65813,
    "c": 0.16419,
    "h": 263.3
  },
  "luminance": 0.27866
}

Semantic roles & 50–950 ramp

primary

#5B8DF5

secondary

#EFDFBC

accent

#9B00E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5B8DF5

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

Preview Lab → · Contrast checker → · Palette generator →