#5B87F3#5B87F3

#5B87F3 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.5% C 0.168 H 265.3°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#5B87F3
RGB	rgb(91, 135, 243)
HSL	hsl(223, 86%, 65%)
HSV	hsv(223, 63%, 95%)
CMYK	cmyk(62.6%, 44.4%, 0%, 4.7%)
CIE-LAB	lab(58.06, 17.98, -58.80)
CIE-LCH	lch(58.06, 61.49, 287.00°)
OKLab	oklab(64.46% -0.0138 -0.1679)
OKLCH	oklch(64.46% 0.168 265.3)
XYZ	xyz(29.1504, 26.0205, 88.2629)
Luminance	0.2602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B87F3 #F3C75B

analogous

#5BD3F3 #5B87F3 #7B5BF3

triadic

#5B87F3 #F35B87 #87F35B

tetradic

#5B87F3 #F35BD3 #F3C75B #5BF37B

square

#5B87F3 #F35BD3 #F3C75B #5BF37B

split-complementary

#5B87F3 #F37B5B #D3F35B

monochromatic

#0E43C5 #225DEF #5B87F3 #94B1F7 #CDDAFB

Accessibility & contrast

On white

3.38

#5B87F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#5B87F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B87F3

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B87F3	#FFFFFF	#000000	##000000
##5B87F3	1.00	3.38	6.20	6.20
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5393F7

Deuteranopia (green-blind)

#3A85F1

Tritanopia (blue-blind)

#00A0B1

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5b87f3;
/* rgb */ color: rgb(91, 135, 243);
/* oklch */ color: oklch(64.5% 0.168 265.3);

Tailwind

colors: {
  custom: {
    50: '#97a9f8',
    500: '#5b87f3',
    950: '#000000',
  },
}

SCSS

$custom: #5b87f3;
$custom-light: #97a9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b87f3",
  "rgb": {
    "r": 91,
    "g": 135,
    "b": 243
  },
  "hsl": {
    "h": 222.632,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.64463,
    "c": 0.16849,
    "h": 265.3
  },
  "luminance": 0.26023
}

Semantic roles & 50–950 ramp

primary

#5B87F3

secondary

#EEE0BB

accent

#A203E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B87F3

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

Preview Lab → · Contrast checker → · Palette generator →