#5578DC#5578DC

#5578DC is a mid, vivid blue. Relative luminance 0.205; OKLCH L 59.6% C 0.157 H 267.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#5578DC
RGB	rgb(85, 120, 220)
HSL	hsl(224, 66%, 60%)
HSV	hsv(224, 61%, 86%)
CMYK	cmyk(61.4%, 45.5%, 0%, 13.7%)
CIE-LAB	lab(52.43, 18.31, -54.98)
CIE-LCH	lch(52.43, 57.95, 288.42°)
OKLab	oklab(59.64% -0.008 -0.157)
OKLCH	oklch(59.64% 0.157 267.1)
XYZ	xyz(23.3766, 20.5295, 70.4270)
Luminance	0.2053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578DC #DCB955

analogous

#55BCDC #5578DC #7555DC

triadic

#5578DC #DC5578 #78DC55

tetradic

#5578DC #DC55BC #DCB955 #55DC75

square

#5578DC #DC55BC #DCB955 #55DC75

split-complementary

#5578DC #DC7555 #BCDC55

monochromatic

#1F3E97 #2A53CA #5578DC #88A0E6 #BBC9F1

Accessibility & contrast

On white

4.11

#5578DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#5578DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578DC

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578DC	#FFFFFF	#000000	##000000
##5578DC	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4884E0

Deuteranopia (green-blind)

#3277DA

Tritanopia (blue-blind)

#008F9F

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5578dc;
/* rgb */ color: rgb(85, 120, 220);
/* oklch */ color: oklch(59.6% 0.157 267.1);

Tailwind

colors: {
  custom: {
    50: '#909ee7',
    500: '#5578dc',
    950: '#000000',
  },
}

SCSS

$custom: #5578dc;
$custom-light: #909ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#5578dc",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 220
  },
  "hsl": {
    "h": 224.444,
    "s": 65.854,
    "l": 59.804
  },
  "oklch": {
    "l": 0.59641,
    "c": 0.15721,
    "h": 267.1
  },
  "luminance": 0.20532
}

Semantic roles & 50–950 ramp

primary

#5578DC

secondary

#E0D3AC

accent

#BD3FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5578DC

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

Preview Lab → · Contrast checker → · Palette generator →