#5B87F4#5B87F4

#5B87F4 is a light, vivid blue. Relative luminance 0.261; OKLCH L 64.5% C 0.170 H 265.4°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#5B87F4
RGB	rgb(91, 135, 244)
HSL	hsl(223, 87%, 66%)
HSV	hsv(223, 63%, 96%)
CMYK	cmyk(62.7%, 44.7%, 0%, 4.3%)
CIE-LAB	lab(58.11, 18.31, -59.26)
CIE-LCH	lch(58.11, 62.02, 287.17°)
OKLab	oklab(64.53% -0.0136 -0.1693)
OKLCH	oklch(64.53% 0.17 265.4)
XYZ	xyz(29.3018, 26.0811, 89.0604)
Luminance	0.2608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B87F4 #F4C85B

analogous

#5BD4F4 #5B87F4 #7B5BF4

triadic

#5B87F4 #F45B87 #87F45B

tetradic

#5B87F4 #F45BD4 #F4C85B #5BF47B

square

#5B87F4 #F45BD4 #F4C85B #5BF47B

split-complementary

#5B87F4 #F47B5B #D4F45B

monochromatic

#0D43C7 #225DF0 #5B87F4 #94B1F8 #CEDBFC

Accessibility & contrast

On white

3.38

#5B87F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#5B87F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B87F4

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B87F4	#FFFFFF	#000000	##000000
##5B87F4	1.00	3.38	6.22	6.22
#FFFFFF	3.38	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5393F8

Deuteranopia (green-blind)

#3985F2

Tritanopia (blue-blind)

#00A0B2

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5b87f4;
/* rgb */ color: rgb(91, 135, 244);
/* oklch */ color: oklch(64.5% 0.170 265.4);

Tailwind

colors: {
  custom: {
    50: '#97a9f8',
    500: '#5b87f4',
    950: '#000000',
  },
}

SCSS

$custom: #5b87f4;
$custom-light: #97a9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b87f4",
  "rgb": {
    "r": 91,
    "g": 135,
    "b": 244
  },
  "hsl": {
    "h": 222.745,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.64526,
    "c": 0.16982,
    "h": 265.4
  },
  "luminance": 0.26084
}

Semantic roles & 50–950 ramp

primary

#5B87F4

secondary

#EFE0BC

accent

#A302E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F0F17

muted

#7E7F85

Preview Lab

Preview with #5B87F4

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

Preview Lab → · Contrast checker → · Palette generator →