#5B87F0#5B87F0

#5B87F0 is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.3% C 0.164 H 265.0°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#5B87F0
RGB	rgb(91, 135, 240)
HSL	hsl(222, 83%, 65%)
HSV	hsv(222, 62%, 94%)
CMYK	cmyk(62.1%, 43.8%, 0%, 5.9%)
CIE-LAB	lab(57.89, 16.97, -57.41)
CIE-LCH	lch(57.89, 59.87, 286.47°)
OKLab	oklab(64.28% -0.0143 -0.1638)
OKLCH	oklch(64.28% 0.164 265)
XYZ	xyz(28.7011, 25.8408, 85.8964)
Luminance	0.2584 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B87F0 #F0C45B

analogous

#5BD1F0 #5B87F0 #7A5BF0

triadic

#5B87F0 #F05B87 #87F05B

tetradic

#5B87F0 #F05BD1 #F0C45B #5BF07A

square

#5B87F0 #F05BD1 #F0C45B #5BF07A

split-complementary

#5B87F0 #F07A5B #D1F05B

monochromatic

#1145BF #235EEB #5B87F0 #93B0F5 #CBD9FA

Accessibility & contrast

On white

3.40

#5B87F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#5B87F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B87F0

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B87F0	#FFFFFF	#000000	##000000
##5B87F0	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5692F4

Deuteranopia (green-blind)

#3E85EE

Tritanopia (blue-blind)

#009FB0

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5b87f0;
/* rgb */ color: rgb(91, 135, 240);
/* oklch */ color: oklch(64.3% 0.164 265.0);

Tailwind

colors: {
  custom: {
    50: '#96a9f5',
    500: '#5b87f0',
    950: '#000000',
  },
}

SCSS

$custom: #5b87f0;
$custom-light: #96a9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b87f0",
  "rgb": {
    "r": 91,
    "g": 135,
    "b": 240
  },
  "hsl": {
    "h": 222.282,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.64277,
    "c": 0.16446,
    "h": 265
  },
  "luminance": 0.25843
}

Semantic roles & 50–950 ramp

primary

#5B87F0

secondary

#EDDEBA

accent

#9F06E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B87F0

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

Preview Lab → · Contrast checker → · Palette generator →