#5B8CF1#5B8CF1

#5B8CF1 is a light, vivid blue. Relative luminance 0.273; OKLCH L 65.4% C 0.160 H 263.2°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#5B8CF1
RGB	rgb(91, 140, 241)
HSL	hsl(220, 84%, 65%)
HSV	hsv(220, 62%, 95%)
CMYK	cmyk(62.2%, 41.9%, 0%, 5.5%)
CIE-LAB	lab(59.28, 14.30, -55.74)
CIE-LCH	lch(59.28, 57.55, 284.39°)
OKLab	oklab(65.36% -0.019 -0.1589)
OKLCH	oklch(65.36% 0.16 263.2)
XYZ	xyz(29.5641, 27.3285, 86.9190)
Luminance	0.2733 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8CF1 #F1C05B

analogous

#5BD7F1 #5B8CF1 #755BF1

triadic

#5B8CF1 #F15B8C #8CF15B

tetradic

#5B8CF1 #F15BD7 #F1C05B #5BF175

square

#5B8CF1 #F15BD7 #F1C05B #5BF175

split-complementary

#5B8CF1 #F1755B #D7F15B

monochromatic

#104AC1 #2364EC #5B8CF1 #93B4F6 #CCDBFB

Accessibility & contrast

On white

3.25

#5B8CF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#5B8CF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8CF1

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8CF1	#FFFFFF	#000000	##000000
##5B8CF1	1.00	3.25	6.47	6.47
#FFFFFF	3.25	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E96F5

Deuteranopia (green-blind)

#4788EF

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8cf1;
/* rgb */ color: rgb(91, 140, 241);
/* oklch */ color: oklch(65.4% 0.160 263.2);

Tailwind

colors: {
  custom: {
    50: '#96adf6',
    500: '#5b8cf1',
    950: '#000000',
  },
}

SCSS

$custom: #5b8cf1;
$custom-light: #96adf6;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8cf1",
  "rgb": {
    "r": 91,
    "g": 140,
    "b": 241
  },
  "hsl": {
    "h": 220.4,
    "s": 84.27,
    "l": 65.098
  },
  "oklch": {
    "l": 0.65365,
    "c": 0.16001,
    "h": 263.2
  },
  "luminance": 0.27331
}

Semantic roles & 50–950 ramp

primary

#5B8CF1

secondary

#EDDDBA

accent

#9905E1

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5B8CF1

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

Preview Lab → · Contrast checker → · Palette generator →