#5B88F5#5B88F5

#5B88F5 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.8% C 0.170 H 265.1°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#5B88F5
RGB	rgb(91, 136, 245)
HSL	hsl(222, 89%, 66%)
HSV	hsv(222, 63%, 96%)
CMYK	cmyk(62.9%, 44.5%, 0%, 3.9%)
CIE-LAB	lab(58.44, 18.05, -59.30)
CIE-LCH	lch(58.44, 61.98, 286.93°)
OKLab	oklab(64.79% -0.0144 -0.1694)
OKLCH	oklch(64.79% 0.17 265.1)
XYZ	xyz(29.5943, 26.4223, 89.9089)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B88F5 #F5C85B

analogous

#5BD5F5 #5B88F5 #7B5BF5

triadic

#5B88F5 #F55B88 #88F55B

tetradic

#5B88F5 #F55BD5 #F5C85B #5BF57B

square

#5B88F5 #F55BD5 #F5C85B #5BF57B

split-complementary

#5B88F5 #F57B5B #D5F55B

monochromatic

#0C44C9 #215EF1 #5B88F5 #95B2F9 #CEDCFC

Accessibility & contrast

On white

3.34

#5B88F5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#5B88F5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B88F5

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B88F5	#FFFFFF	#000000	##000000
##5B88F5	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5494F9

Deuteranopia (green-blind)

#3A86F3

Tritanopia (blue-blind)

#00A1B3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5b88f5;
/* rgb */ color: rgb(91, 136, 245);
/* oklch */ color: oklch(64.8% 0.170 265.1);

Tailwind

colors: {
  custom: {
    50: '#97aaf9',
    500: '#5b88f5',
    950: '#000000',
  },
}

SCSS

$custom: #5b88f5;
$custom-light: #97aaf9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b88f5",
  "rgb": {
    "r": 91,
    "g": 136,
    "b": 245
  },
  "hsl": {
    "h": 222.468,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.64791,
    "c": 0.16998,
    "h": 265.1
  },
  "luminance": 0.26425
}

Semantic roles & 50–950 ramp

primary

#5B88F5

secondary

#EFE0BC

accent

#A200E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B88F5

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

Preview Lab → · Contrast checker → · Palette generator →