#5577CC#5577CC

#5577CC is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.136 H 265.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5577CC
RGB	rgb(85, 119, 204)
HSL	hsl(223, 54%, 57%)
HSV	hsv(223, 58%, 80%)
CMYK	cmyk(58.3%, 41.7%, 0%, 20%)
CIE-LAB	lab(51.25, 13.55, -47.80)
CIE-LCH	lch(51.25, 49.69, 285.83°)
OKLab	oklab(58.44% -0.0097 -0.1359)
OKLCH	oklch(58.44% 0.136 265.9)
XYZ	xyz(21.2385, 19.4829, 59.7564)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5577CC #CCAA55

analogous

#55B3CC #5577CC #6F55CC

triadic

#5577CC #CC5577 #77CC55

tetradic

#5577CC #CC55B3 #CCAA55 #55CC6F

square

#5577CC #CC55B3 #CCAA55 #55CC6F

split-complementary

#5577CC #CC6F55 #B3CC55

monochromatic

#264080 #3558AF #5577CC #849DDA #B3C2E8

Accessibility & contrast

On white

4.29

#5577CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#5577CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5577CC

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5577CC	#FFFFFF	#000000	##000000
##5577CC	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5280CF

Deuteranopia (green-blind)

#4275CA

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5577cc;
/* rgb */ color: rgb(85, 119, 204);
/* oklch */ color: oklch(58.4% 0.136 265.9);

Tailwind

colors: {
  custom: {
    50: '#8e9ddc',
    500: '#5577cc',
    950: '#000000',
  },
}

SCSS

$custom: #5577cc;
$custom-light: #8e9ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#5577cc",
  "rgb": {
    "r": 85,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 222.857,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.58437,
    "c": 0.13629,
    "h": 265.9
  },
  "luminance": 0.19485
}

Semantic roles & 50–950 ramp

primary

#5577CC

secondary

#D7C9A6

accent

#B34BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5577CC

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

Preview Lab → · Contrast checker → · Palette generator →