#5B88F7#5B88F7

#5B88F7 is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.9% C 0.173 H 265.3°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#5B88F7
RGB	rgb(91, 136, 247)
HSL	hsl(223, 91%, 66%)
HSV	hsv(223, 63%, 97%)
CMYK	cmyk(63.2%, 44.9%, 0%, 3.1%)
CIE-LAB	lab(58.55, 18.72, -60.22)
CIE-LCH	lch(58.55, 63.06, 287.27°)
OKLab	oklab(64.92% -0.0141 -0.1721)
OKLCH	oklch(64.92% 0.173 265.3)
XYZ	xyz(29.9012, 26.5451, 91.5256)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B88F7 #F7CA5B

analogous

#5BD6F7 #5B88F7 #7C5BF7

triadic

#5B88F7 #F75B88 #88F75B

tetradic

#5B88F7 #F75BD6 #F7CA5B #5BF77C

square

#5B88F7 #F75BD6 #F7CA5B #5BF77C

split-complementary

#5B88F7 #F77C5B #D6F75B

monochromatic

#0A42CE #215EF4 #5B88F7 #95B2FA #D0DDFD

Accessibility & contrast

On white

3.33

#5B88F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#5B88F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B88F7

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B88F7	#FFFFFF	#000000	##000000
##5B88F7	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5294FB

Deuteranopia (green-blind)

#3786F5

Tritanopia (blue-blind)

#00A1B3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5b88f7;
/* rgb */ color: rgb(91, 136, 247);
/* oklch */ color: oklch(64.9% 0.173 265.3);

Tailwind

colors: {
  custom: {
    50: '#97aafa',
    500: '#5b88f7',
    950: '#000000',
  },
}

SCSS

$custom: #5b88f7;
$custom-light: #97aafa;
$custom-dark: #000000;

JSON

{
  "hex": "#5b88f7",
  "rgb": {
    "r": 91,
    "g": 136,
    "b": 247
  },
  "hsl": {
    "h": 222.692,
    "s": 90.698,
    "l": 66.275
  },
  "oklch": {
    "l": 0.64916,
    "c": 0.17265,
    "h": 265.3
  },
  "luminance": 0.26548
}

Semantic roles & 50–950 ramp

primary

#5B88F7

secondary

#F0E2BD

accent

#A300E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F0F17

muted

#7F7F85

Preview Lab

Preview with #5B88F7

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

Preview Lab → · Contrast checker → · Palette generator →