#5577CF#5577CF

#5577CF is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.6% C 0.140 H 266.3°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#5577CF
RGB	rgb(85, 119, 207)
HSL	hsl(223, 56%, 57%)
HSV	hsv(223, 59%, 81%)
CMYK	cmyk(58.9%, 42.5%, 0%, 18.8%)
CIE-LAB	lab(51.41, 14.55, -49.24)
CIE-LCH	lch(51.41, 51.35, 286.46°)
OKLab	oklab(58.62% -0.0092 -0.1402)
OKLCH	oklch(58.62% 0.14 266.3)
XYZ	xyz(21.6018, 19.6282, 61.6696)
Luminance	0.1963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5577CF #CFAD55

analogous

#55B4CF #5577CF #7055CF

triadic

#5577CF #CF5577 #77CF55

tetradic

#5577CF #CF55B4 #CFAD55 #55CF70

square

#5577CF #CF55B4 #CFAD55 #55CF70

split-complementary

#5577CF #CF7055 #B4CF55

monochromatic

#254084 #3357B4 #5577CF #859DDC #B4C3EA

Accessibility & contrast

On white

4.26

#5577CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#5577CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5577CF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5577CF	#FFFFFF	#000000	##000000
##5577CF	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5080D2

Deuteranopia (green-blind)

#3F75CD

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5577cf;
/* rgb */ color: rgb(85, 119, 207);
/* oklch */ color: oklch(58.6% 0.140 266.3);

Tailwind

colors: {
  custom: {
    50: '#8f9dde',
    500: '#5577cf',
    950: '#000000',
  },
}

SCSS

$custom: #5577cf;
$custom-light: #8f9dde;
$custom-dark: #000000;

JSON

{
  "hex": "#5577cf",
  "rgb": {
    "r": 85,
    "g": 119,
    "b": 207
  },
  "hsl": {
    "h": 223.279,
    "s": 55.963,
    "l": 57.255
  },
  "oklch": {
    "l": 0.5862,
    "c": 0.14047,
    "h": 266.3
  },
  "luminance": 0.1963
}

Semantic roles & 50–950 ramp

primary

#5577CF

secondary

#D9CBA7

accent

#B549DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5577CF

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

Preview Lab → · Contrast checker → · Palette generator →