#5580DB#5580DB

#5580DB is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.2% C 0.146 H 263.6°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#5580DB
RGB	rgb(85, 128, 219)
HSL	hsl(221, 65%, 60%)
HSV	hsv(221, 61%, 86%)
CMYK	cmyk(61.2%, 41.6%, 0%, 14.1%)
CIE-LAB	lab(54.53, 13.08, -51.06)
CIE-LCH	lch(54.53, 52.71, 284.37°)
OKLab	oklab(61.24% -0.0163 -0.1454)
OKLCH	oklch(61.24% 0.146 263.6)
XYZ	xyz(24.2472, 22.4820, 70.0658)
Luminance	0.2248 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5580DB #DBB055

analogous

#55C3DB #5580DB #6D55DB

triadic

#5580DB #DB5580 #80DB55

tetradic

#5580DB #DB55C3 #DBB055 #55DB6D

square

#5580DB #DB55C3 #DBB055 #55DB6D

split-complementary

#5580DB #DB6D55 #C3DB55

monochromatic

#204696 #2A5DC8 #5580DB #88A6E6 #BACBF0

Accessibility & contrast

On white

3.82

#5580DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#5580DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5580DB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5580DB	#FFFFFF	#000000	##000000
##5580DB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DF

Deuteranopia (green-blind)

#447DD9

Tritanopia (blue-blind)

#0095A3

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5580db;
/* rgb */ color: rgb(85, 128, 219);
/* oklch */ color: oklch(61.2% 0.146 263.6);

Tailwind

colors: {
  custom: {
    50: '#90a4e6',
    500: '#5580db',
    950: '#000000',
  },
}

SCSS

$custom: #5580db;
$custom-light: #90a4e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5580db",
  "rgb": {
    "r": 85,
    "g": 128,
    "b": 219
  },
  "hsl": {
    "h": 220.746,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.61239,
    "c": 0.14629,
    "h": 263.6
  },
  "luminance": 0.22484
}

Semantic roles & 50–950 ramp

primary

#5580DB

secondary

#E0CFAC

accent

#B240E8

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5580DB

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

Preview Lab → · Contrast checker → · Palette generator →