#5591ED#5591ED

#5591ED is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.151 H 258.7°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#5591ED
RGB	rgb(85, 145, 237)
HSL	hsl(216, 81%, 63%)
HSV	hsv(216, 64%, 93%)
CMYK	cmyk(64.1%, 38.8%, 0%, 7.1%)
CIE-LAB	lab(60.15, 8.95, -52.15)
CIE-LCH	lch(60.15, 52.91, 279.74°)
OKLab	oklab(65.9% -0.0296 -0.1484)
OKLCH	oklch(65.9% 0.151 258.7)
XYZ	xyz(29.1523, 28.2937, 84.0292)
Luminance	0.2830 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5591ED #EDB155

analogous

#55DDED #5591ED #6555ED

triadic

#5591ED #ED5591 #91ED55

tetradic

#5591ED #ED55DD #EDB155 #55ED65

square

#5591ED #ED55DD #EDB155 #55ED65

split-complementary

#5591ED #ED6555 #DDED55

monochromatic

#1353B4 #1E6DE7 #5591ED #8CB5F3 #C4D9F9

Accessibility & contrast

On white

3.15

#5591ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#5591ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5591ED

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5591ED	#FFFFFF	#000000	##000000
##5591ED	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6899F1

Deuteranopia (green-blind)

#528AEB

Tritanopia (blue-blind)

#00A6B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5591ed;
/* rgb */ color: rgb(85, 145, 237);
/* oklch */ color: oklch(65.9% 0.151 258.7);

Tailwind

colors: {
  custom: {
    50: '#93b0f3',
    500: '#5591ed',
    950: '#000000',
  },
}

SCSS

$custom: #5591ed;
$custom-light: #93b0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5591ed",
  "rgb": {
    "r": 85,
    "g": 145,
    "b": 237
  },
  "hsl": {
    "h": 216.316,
    "s": 80.851,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65901,
    "c": 0.15131,
    "h": 258.7
  },
  "luminance": 0.28297
}

Semantic roles & 50–950 ramp

primary

#5591ED

secondary

#EAD5B4

accent

#8908DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5591ED

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

Preview Lab → · Contrast checker → · Palette generator →