#5578AA#5578AA

#5578AA is a mid, moderate blue. Relative luminance 0.183; OKLCH L 56.8% C 0.088 H 257.3°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#5578AA
RGB	rgb(85, 120, 170)
HSL	hsl(215, 33%, 50%)
HSV	hsv(215, 50%, 67%)
CMYK	cmyk(50%, 29.4%, 0%, 33.3%)
CIE-LAB	lab(49.82, 1.92, -30.49)
CIE-LCH	lch(49.82, 30.55, 273.61°)
OKLab	oklab(56.77% -0.0192 -0.0855)
OKLCH	oklch(56.77% 0.088 257.3)
XYZ	xyz(17.7160, 18.2653, 40.6144)
Luminance	0.1827 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578AA #AA8755

analogous

#55A2AA #5578AA #5D55AA

triadic

#5578AA #AA5578 #78AA55

tetradic

#5578AA #AA55A2 #AA8755 #55AA5D

square

#5578AA #AA55A2 #AA8755 #55AA5D

split-complementary

#5578AA #AA5D55 #A2AA55

monochromatic

#2C3E58 #415B81 #5578AA #7E98BE #A7B9D3

Accessibility & contrast

On white

4.51

#5578AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#5578AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578AA

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578AA	#FFFFFF	#000000	##000000
##5578AA	1.00	4.51	4.65	4.65
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657BAC

Deuteranopia (green-blind)

#5A73A9

Tritanopia (blue-blind)

#2E838A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #5578aa;
/* rgb */ color: rgb(85, 120, 170);
/* oklch */ color: oklch(56.8% 0.088 257.3);

Tailwind

colors: {
  custom: {
    50: '#8a9ec3',
    500: '#5578aa',
    950: '#000000',
  },
}

SCSS

$custom: #5578aa;
$custom-light: #8a9ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#5578aa",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 170
  },
  "hsl": {
    "h": 215.294,
    "s": 33.333,
    "l": 50
  },
  "oklch": {
    "l": 0.56767,
    "c": 0.08764,
    "h": 257.3
  },
  "luminance": 0.18267
}

Semantic roles & 50–950 ramp

primary

#5578AA

secondary

#C0B19A

accent

#9D5EC9

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0C0E12

muted

#7D7E81

Preview Lab

Preview with #5578AA

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

Preview Lab → · Contrast checker → · Palette generator →