#5577CB#5577CB

#5577CB is a mid, vivid blue. Relative luminance 0.194; OKLCH L 58.4% C 0.135 H 265.8°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5577CB
RGB	rgb(85, 119, 203)
HSL	hsl(223, 53%, 56%)
HSV	hsv(223, 58%, 80%)
CMYK	cmyk(58.1%, 41.4%, 0%, 20.4%)
CIE-LAB	lab(51.19, 13.22, -47.32)
CIE-LCH	lch(51.19, 49.13, 285.61°)
OKLab	oklab(58.38% -0.0099 -0.1345)
OKLCH	oklch(58.38% 0.135 265.8)
XYZ	xyz(21.1190, 19.4350, 59.1268)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5577CB #CBA955

analogous

#55B2CB #5577CB #6E55CB

triadic

#5577CB #CB5577 #77CB55

tetradic

#5577CB #CB55B2 #CBA955 #55CB6E

square

#5577CB #CB55B2 #CBA955 #55CB6E

split-complementary

#5577CB #CB6E55 #B2CB55

monochromatic

#27407F #3558AE #5577CB #849CD9 #B3C2E8

Accessibility & contrast

On white

4.30

#5577CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#5577CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5577CB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5577CB	#FFFFFF	#000000	##000000
##5577CB	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5380CE

Deuteranopia (green-blind)

#4375C9

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5577cb;
/* rgb */ color: rgb(85, 119, 203);
/* oklch */ color: oklch(58.4% 0.135 265.8);

Tailwind

colors: {
  custom: {
    50: '#8e9ddb',
    500: '#5577cb',
    950: '#000000',
  },
}

SCSS

$custom: #5577cb;
$custom-light: #8e9ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#5577cb",
  "rgb": {
    "r": 85,
    "g": 119,
    "b": 203
  },
  "hsl": {
    "h": 222.712,
    "s": 53.153,
    "l": 56.471
  },
  "oklch": {
    "l": 0.58377,
    "c": 0.1349,
    "h": 265.8
  },
  "luminance": 0.19437
}

Semantic roles & 50–950 ramp

primary

#5577CB

secondary

#D6C8A6

accent

#B34BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5577CB

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

Preview Lab → · Contrast checker → · Palette generator →