#5578CD#5578CD

#5578CD is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.136 H 265.5°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5578CD
RGB	rgb(85, 120, 205)
HSL	hsl(223, 55%, 57%)
HSV	hsv(223, 59%, 80%)
CMYK	cmyk(58.5%, 41.5%, 0%, 19.6%)
CIE-LAB	lab(51.58, 13.27, -47.85)
CIE-LCH	lch(51.58, 49.65, 285.50°)
OKLab	oklab(58.71% -0.0106 -0.1361)
OKLCH	oklch(58.71% 0.136 265.5)
XYZ	xyz(21.4785, 19.7703, 60.4300)
Luminance	0.1977 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578CD #CDAA55

analogous

#55B4CD #5578CD #6E55CD

triadic

#5578CD #CD5578 #78CD55

tetradic

#5578CD #CD55B4 #CDAA55 #55CD6E

square

#5578CD #CD55B4 #CDAA55 #55CD6E

split-complementary

#5578CD #CD6E55 #B4CD55

monochromatic

#264182 #3458B1 #5578CD #849EDB #B4C3E9

Accessibility & contrast

On white

4.24

#5578CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5578CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578CD

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578CD	#FFFFFF	#000000	##000000
##5578CD	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5381D0

Deuteranopia (green-blind)

#4376CB

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5578cd;
/* rgb */ color: rgb(85, 120, 205);
/* oklch */ color: oklch(58.7% 0.136 265.5);

Tailwind

colors: {
  custom: {
    50: '#8e9edd',
    500: '#5578cd',
    950: '#000000',
  },
}

SCSS

$custom: #5578cd;
$custom-light: #8e9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#5578cd",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 205
  },
  "hsl": {
    "h": 222.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.58709,
    "c": 0.13648,
    "h": 265.5
  },
  "luminance": 0.19772
}

Semantic roles & 50–950 ramp

primary

#5578CD

secondary

#D7C9A6

accent

#B34ADE

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5578CD

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

Preview Lab → · Contrast checker → · Palette generator →