#5577CE#5577CE

#5577CE is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.6% C 0.139 H 266.1°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5577CE
RGB	rgb(85, 119, 206)
HSL	hsl(223, 55%, 57%)
HSV	hsv(223, 59%, 81%)
CMYK	cmyk(58.7%, 42.2%, 0%, 19.2%)
CIE-LAB	lab(51.36, 14.22, -48.76)
CIE-LCH	lch(51.36, 50.80, 286.26°)
OKLab	oklab(58.56% -0.0093 -0.1388)
OKLCH	oklch(58.56% 0.139 266.1)
XYZ	xyz(21.4799, 19.5794, 61.0278)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5577CE #CEAC55

analogous

#55B4CE #5577CE #6F55CE

triadic

#5577CE #CE5577 #77CE55

tetradic

#5577CE #CE55B4 #CEAC55 #55CE6F

square

#5577CE #CE55B4 #CEAC55 #55CE6F

split-complementary

#5577CE #CE6F55 #B4CE55

monochromatic

#264083 #3357B2 #5577CE #859DDC #B4C3E9

Accessibility & contrast

On white

4.27

#5577CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#5577CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5577CE

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5577CE	#FFFFFF	#000000	##000000
##5577CE	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5180D1

Deuteranopia (green-blind)

#4075CC

Tritanopia (blue-blind)

#008A98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5577ce;
/* rgb */ color: rgb(85, 119, 206);
/* oklch */ color: oklch(58.6% 0.139 266.1);

Tailwind

colors: {
  custom: {
    50: '#8e9ddd',
    500: '#5577ce',
    950: '#000000',
  },
}

SCSS

$custom: #5577ce;
$custom-light: #8e9ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#5577ce",
  "rgb": {
    "r": 85,
    "g": 119,
    "b": 206
  },
  "hsl": {
    "h": 223.14,
    "s": 55.251,
    "l": 57.059
  },
  "oklch": {
    "l": 0.58559,
    "c": 0.13908,
    "h": 266.1
  },
  "luminance": 0.19581
}

Semantic roles & 50–950 ramp

primary

#5577CE

secondary

#D8CAA7

accent

#B549DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5577CE

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

Preview Lab → · Contrast checker → · Palette generator →