#5B87EF#5B87EF

#5B87EF is a light, vivid blue. Relative luminance 0.258; OKLCH L 64.2% C 0.163 H 264.9°. Best body text is #000000 at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#5B87EF
RGB	rgb(91, 135, 239)
HSL	hsl(222, 82%, 65%)
HSV	hsv(222, 62%, 94%)
CMYK	cmyk(61.9%, 43.5%, 0%, 6.3%)
CIE-LAB	lab(57.83, 16.64, -56.95)
CIE-LCH	lch(57.83, 59.33, 286.29°)
OKLab	oklab(64.22% -0.0144 -0.1625)
OKLCH	oklch(64.22% 0.163 264.9)
XYZ	xyz(28.5530, 25.7815, 85.1162)
Luminance	0.2578 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B87EF #EFC35B

analogous

#5BD1EF #5B87EF #795BEF

triadic

#5B87EF #EF5B87 #87EF5B

tetradic

#5B87EF #EF5BD1 #EFC35B #5BEF79

square

#5B87EF #EF5BD1 #EFC35B #5BEF79

split-complementary

#5B87EF #EF795B #D1EF5B

monochromatic

#1245BD #235EEA #5B87EF #93B0F4 #CBD9FA

Accessibility & contrast

On white

3.41

#5B87EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.16

#5B87EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B87EF

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B87EF	#FFFFFF	#000000	##000000
##5B87EF	1.00	3.41	6.16	6.16
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.16	21.00	1.00	1.00
##000000	6.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5692F3

Deuteranopia (green-blind)

#3F85ED

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5b87ef;
/* rgb */ color: rgb(91, 135, 239);
/* oklch */ color: oklch(64.2% 0.163 264.9);

Tailwind

colors: {
  custom: {
    50: '#96a9f5',
    500: '#5b87ef',
    950: '#000000',
  },
}

SCSS

$custom: #5b87ef;
$custom-light: #96a9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b87ef",
  "rgb": {
    "r": 91,
    "g": 135,
    "b": 239
  },
  "hsl": {
    "h": 222.162,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.64215,
    "c": 0.16312,
    "h": 264.9
  },
  "luminance": 0.25784
}

Semantic roles & 50–950 ramp

primary

#5B87EF

secondary

#ECDDBA

accent

#9E07DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B87EF

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

Preview Lab → · Contrast checker → · Palette generator →