#5578BF#5578BF

#5578BF is a mid, moderate blue. Relative luminance 0.191; OKLCH L 57.9% C 0.117 H 263.3°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#5578BF
RGB	rgb(85, 120, 191)
HSL	hsl(220, 45%, 54%)
HSV	hsv(220, 55%, 75%)
CMYK	cmyk(55.5%, 37.2%, 0%, 25.1%)
CIE-LAB	lab(50.83, 8.65, -41.03)
CIE-LCH	lch(50.83, 41.93, 281.90°)
OKLab	oklab(57.89% -0.0136 -0.1161)
OKLCH	oklch(57.89% 0.117 263.3)
XYZ	xyz(19.8636, 19.1243, 51.9247)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5578BF #BF9C55

analogous

#55ADBF #5578BF #6755BF

triadic

#5578BF #BF5578 #78BF55

tetradic

#5578BF #BF55AD #BF9C55 #55BF67

square

#5578BF #BF55AD #BF9C55 #55BF67

split-complementary

#5578BF #BF6755 #ADBF55

monochromatic

#2A4170 #3B5B9C #5578BF #819BD0 #AEBFE0

Accessibility & contrast

On white

4.35

#5578BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#5578BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5578BF

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5578BF	#FFFFFF	#000000	##000000
##5578BF	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC2

Deuteranopia (green-blind)

#4E75BD

Tritanopia (blue-blind)

#138892

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5578bf;
/* rgb */ color: rgb(85, 120, 191);
/* oklch */ color: oklch(57.9% 0.117 263.3);

Tailwind

colors: {
  custom: {
    50: '#8c9ed2',
    500: '#5578bf',
    950: '#000000',
  },
}

SCSS

$custom: #5578bf;
$custom-light: #8c9ed2;
$custom-dark: #000000;

JSON

{
  "hex": "#5578bf",
  "rgb": {
    "r": 85,
    "g": 120,
    "b": 191
  },
  "hsl": {
    "h": 220.189,
    "s": 45.299,
    "l": 54.118
  },
  "oklch": {
    "l": 0.57891,
    "c": 0.1169,
    "h": 263.3
  },
  "luminance": 0.19126
}

Semantic roles & 50–950 ramp

primary

#5578BF

secondary

#CEC0A1

accent

#AA53D5

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5578BF

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

Preview Lab → · Contrast checker → · Palette generator →