#5B88F0#5B88F0

#5B88F0 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.5% C 0.163 H 264.6°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#5B88F0
RGB	rgb(91, 136, 240)
HSL	hsl(222, 83%, 65%)
HSV	hsv(222, 62%, 94%)
CMYK	cmyk(62.1%, 43.3%, 0%, 5.9%)
CIE-LAB	lab(58.15, 16.37, -56.99)
CIE-LCH	lch(58.15, 59.29, 286.03°)
OKLab	oklab(64.48% -0.0153 -0.1626)
OKLCH	oklch(64.48% 0.163 264.6)
XYZ	xyz(28.8413, 26.1211, 85.9432)
Luminance	0.2612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B88F0 #F0C35B

analogous

#5BD3F0 #5B88F0 #785BF0

triadic

#5B88F0 #F05B88 #88F05B

tetradic

#5B88F0 #F05BD3 #F0C35B #5BF078

square

#5B88F0 #F05BD3 #F0C35B #5BF078

split-complementary

#5B88F0 #F0785B #D3F05B

monochromatic

#1146BF #235FEB #5B88F0 #93B1F5 #CBD9FA

Accessibility & contrast

On white

3.37

#5B88F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#5B88F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B88F0

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B88F0	#FFFFFF	#000000	##000000
##5B88F0	1.00	3.37	6.22	6.22
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5893F4

Deuteranopia (green-blind)

#4085EE

Tritanopia (blue-blind)

#00A0B0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5b88f0;
/* rgb */ color: rgb(91, 136, 240);
/* oklch */ color: oklch(64.5% 0.163 264.6);

Tailwind

colors: {
  custom: {
    50: '#96aaf5',
    500: '#5b88f0',
    950: '#000000',
  },
}

SCSS

$custom: #5b88f0;
$custom-light: #96aaf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b88f0",
  "rgb": {
    "r": 91,
    "g": 136,
    "b": 240
  },
  "hsl": {
    "h": 221.879,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.64481,
    "c": 0.16329,
    "h": 264.6
  },
  "luminance": 0.26124
}

Semantic roles & 50–950 ramp

primary

#5B88F0

secondary

#EDDDBA

accent

#9E06E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B88F0

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

Preview Lab → · Contrast checker → · Palette generator →