#5B8DF3#5B8DF3

#5B8DF3 is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.7% C 0.162 H 263.0°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5B8DF3
RGB	rgb(91, 141, 243)
HSL	hsl(220, 86%, 65%)
HSV	hsv(220, 63%, 95%)
CMYK	cmyk(62.6%, 42%, 0%, 4.7%)
CIE-LAB	lab(59.66, 14.38, -56.24)
CIE-LCH	lch(59.66, 58.05, 284.34°)
OKLab	oklab(65.69% -0.0196 -0.1603)
OKLCH	oklch(65.69% 0.162 263)
XYZ	xyz(30.0113, 27.7422, 88.5499)
Luminance	0.2774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8DF3 #F3C15B

analogous

#5BD9F3 #5B8DF3 #755BF3

triadic

#5B8DF3 #F35B8D #8DF35B

tetradic

#5B8DF3 #F35BD9 #F3C15B #5BF375

square

#5B8DF3 #F35BD9 #F3C15B #5BF375

split-complementary

#5B8DF3 #F3755B #D9F35B

monochromatic

#0E4BC5 #2265EF #5B8DF3 #94B5F7 #CDDCFB

Accessibility & contrast

On white

3.21

#5B8DF3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#5B8DF3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8DF3

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8DF3	#FFFFFF	#000000	##000000
##5B8DF3	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E97F7

Deuteranopia (green-blind)

#4789F1

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5b8df3;
/* rgb */ color: rgb(91, 141, 243);
/* oklch */ color: oklch(65.7% 0.162 263.0);

Tailwind

colors: {
  custom: {
    50: '#96adf7',
    500: '#5b8df3',
    950: '#000000',
  },
}

SCSS

$custom: #5b8df3;
$custom-light: #96adf7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8df3",
  "rgb": {
    "r": 91,
    "g": 141,
    "b": 243
  },
  "hsl": {
    "h": 220.263,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.65692,
    "c": 0.16154,
    "h": 263
  },
  "luminance": 0.27745
}

Semantic roles & 50–950 ramp

primary

#5B8DF3

secondary

#EEDEBB

accent

#9903E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5B8DF3

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

Preview Lab → · Contrast checker → · Palette generator →