#5571DB#5571DB

#5571DB is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.2% C 0.164 H 269.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5571DB
RGB	rgb(85, 113, 219)
HSL	hsl(227, 65%, 60%)
HSV	hsv(227, 61%, 86%)
CMYK	cmyk(61.2%, 48.4%, 0%, 14.1%)
CIE-LAB	lab(50.52, 22.29, -57.49)
CIE-LCH	lch(50.52, 61.66, 291.19°)
OKLab	oklab(58.16% -0.0012 -0.1645)
OKLCH	oklch(58.16% 0.164 269.6)
XYZ	xyz(22.4333, 18.8541, 69.4611)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5571DB #DBBF55

analogous

#55B4DB #5571DB #7C55DB

triadic

#5571DB #DB5571 #71DB55

tetradic

#5571DB #DB55B4 #DBBF55 #55DB7C

square

#5571DB #DB55B4 #DBBF55 #55DB7C

split-complementary

#5571DB #DB7C55 #B4DB55

monochromatic

#203896 #2A4BC8 #5571DB #889BE6 #BAC5F0

Accessibility & contrast

On white

4.40

#5571DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5571DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5571DB

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5571DB	#FFFFFF	#000000	##000000
##5571DB	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7FDF

Deuteranopia (green-blind)

#1F73D9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5571db;
/* rgb */ color: rgb(85, 113, 219);
/* oklch */ color: oklch(58.2% 0.164 269.6);

Tailwind

colors: {
  custom: {
    50: '#9199e7',
    500: '#5571db',
    950: '#000000',
  },
}

SCSS

$custom: #5571db;
$custom-light: #9199e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5571db",
  "rgb": {
    "r": 85,
    "g": 113,
    "b": 219
  },
  "hsl": {
    "h": 227.463,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58162,
    "c": 0.16446,
    "h": 269.6
  },
  "luminance": 0.18856
}

Semantic roles & 50–950 ramp

primary

#5571DB

secondary

#E0D5AC

accent

#C540E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5571DB

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

Preview Lab → · Contrast checker → · Palette generator →