#5587EB#5587EB

#5587EB is a light, vivid blue. Relative luminance 0.253; OKLCH L 63.7% C 0.160 H 262.7°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5587EB
RGB	rgb(85, 135, 235)
HSL	hsl(220, 79%, 63%)
HSV	hsv(220, 64%, 92%)
CMYK	cmyk(63.8%, 42.6%, 0%, 7.8%)
CIE-LAB	lab(57.32, 14.25, -55.55)
CIE-LCH	lch(57.32, 57.35, 284.39°)
OKLab	oklab(63.68% -0.0203 -0.1585)
OKLCH	oklch(63.68% 0.16 262.7)
XYZ	xyz(27.4004, 25.2548, 82.0118)
Luminance	0.2526 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5587EB #EBB955

analogous

#55D2EB #5587EB #6E55EB

triadic

#5587EB #EB5587 #87EB55

tetradic

#5587EB #EB55D2 #EBB955 #55EB6E

square

#5587EB #EB55D2 #EBB955 #55EB6E

split-complementary

#5587EB #EB6E55 #D2EB55

monochromatic

#1549B1 #1E60E5 #5587EB #8CAEF1 #C3D4F8

Accessibility & contrast

On white

3.47

#5587EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#5587EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5587EB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5587EB	#FFFFFF	#000000	##000000
##5587EB	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5891EF

Deuteranopia (green-blind)

#4183E9

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5587eb;
/* rgb */ color: rgb(85, 135, 235);
/* oklch */ color: oklch(63.7% 0.160 262.7);

Tailwind

colors: {
  custom: {
    50: '#92a9f2',
    500: '#5587eb',
    950: '#000000',
  },
}

SCSS

$custom: #5587eb;
$custom-light: #92a9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5587eb",
  "rgb": {
    "r": 85,
    "g": 135,
    "b": 235
  },
  "hsl": {
    "h": 220,
    "s": 78.947,
    "l": 62.745
  },
  "oklch": {
    "l": 0.63676,
    "c": 0.15978,
    "h": 262.7
  },
  "luminance": 0.25257
}

Semantic roles & 50–950 ramp

primary

#5587EB

secondary

#E9D7B3

accent

#960ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5587EB

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

Preview Lab → · Contrast checker → · Palette generator →