#5587EF#5587EF

#5587EF is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.9% C 0.165 H 263.2°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#5587EF
RGB	rgb(85, 135, 239)
HSL	hsl(221, 83%, 64%)
HSV	hsv(221, 64%, 94%)
CMYK	cmyk(64.4%, 43.5%, 0%, 6.3%)
CIE-LAB	lab(57.55, 15.61, -57.41)
CIE-LCH	lch(57.55, 59.50, 285.21°)
OKLab	oklab(63.92% -0.0196 -0.164)
OKLCH	oklch(63.92% 0.165 263.2)
XYZ	xyz(27.9848, 25.4886, 85.0896)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5587EF #EFBD55

analogous

#55D4EF #5587EF #7055EF

triadic

#5587EF #EF5587 #87EF55

tetradic

#5587EF #EF55D4 #EFBD55 #55EF70

square

#5587EF #EF55D4 #EFBD55 #55EF70

split-complementary

#5587EF #EF7055 #D4EF55

monochromatic

#1148B8 #1D60EA #5587EF #8DAEF4 #C5D6FA

Accessibility & contrast

On white

3.44

#5587EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#5587EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5587EF

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5587EF	#FFFFFF	#000000	##000000
##5587EF	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5692F3

Deuteranopia (green-blind)

#3C84ED

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5587ef;
/* rgb */ color: rgb(85, 135, 239);
/* oklch */ color: oklch(63.9% 0.165 263.2);

Tailwind

colors: {
  custom: {
    50: '#93a9f5',
    500: '#5587ef',
    950: '#000000',
  },
}

SCSS

$custom: #5587ef;
$custom-light: #93a9f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5587ef",
  "rgb": {
    "r": 85,
    "g": 135,
    "b": 239
  },
  "hsl": {
    "h": 220.519,
    "s": 82.796,
    "l": 63.529
  },
  "oklch": {
    "l": 0.63923,
    "c": 0.16512,
    "h": 263.2
  },
  "luminance": 0.25491
}

Semantic roles & 50–950 ramp

primary

#5587EF

secondary

#EBD9B5

accent

#9906DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5587EF

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

Preview Lab → · Contrast checker → · Palette generator →