#5583E9#5583E9

#5583E9 is a light, vivid blue. Relative luminance 0.240; OKLCH L 62.7% C 0.162 H 264.0°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#5583E9
RGB	rgb(85, 131, 233)
HSL	hsl(221, 77%, 62%)
HSV	hsv(221, 64%, 91%)
CMYK	cmyk(63.5%, 43.8%, 0%, 8.6%)
CIE-LAB	lab(56.13, 16.00, -56.34)
CIE-LCH	lch(56.13, 58.57, 285.85°)
OKLab	oklab(62.72% -0.0168 -0.1609)
OKLCH	oklch(62.72% 0.162 264)
XYZ	xyz(26.5655, 24.0446, 80.3161)
Luminance	0.2405 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5583E9 #E9BB55

analogous

#55CDE9 #5583E9 #7155E9

triadic

#5583E9 #E95583 #83E955

tetradic

#5583E9 #E955CD #E9BB55 #55E971

square

#5583E9 #E955CD #E9BB55 #55E971

split-complementary

#5583E9 #E97155 #CDE955

monochromatic

#1645AD #1F5BE2 #5583E9 #8BABF0 #C1D2F7

Accessibility & contrast

On white

3.61

#5583E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#5583E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5583E9

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5583E9	#FFFFFF	#000000	##000000
##5583E9	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#538EED

Deuteranopia (green-blind)

#3A80E7

Tritanopia (blue-blind)

#009AAB

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5583e9;
/* rgb */ color: rgb(85, 131, 233);
/* oklch */ color: oklch(62.7% 0.162 264.0);

Tailwind

colors: {
  custom: {
    50: '#92a6f0',
    500: '#5583e9',
    950: '#000000',
  },
}

SCSS

$custom: #5583e9;
$custom-light: #92a6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5583e9",
  "rgb": {
    "r": 85,
    "g": 131,
    "b": 233
  },
  "hsl": {
    "h": 221.351,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.62723,
    "c": 0.16173,
    "h": 264
  },
  "luminance": 0.24047
}

Semantic roles & 50–950 ramp

primary

#5583E9

secondary

#E8D7B2

accent

#9A0CD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5583E9

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

Preview Lab → · Contrast checker → · Palette generator →