#5577BC#5577BC

#5577BC is a mid, moderate blue. Relative luminance 0.188; OKLCH L 57.5% C 0.114 H 263.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5577BC
RGB	rgb(85, 119, 188)
HSL	hsl(220, 43%, 54%)
HSV	hsv(220, 55%, 74%)
CMYK	cmyk(54.8%, 36.7%, 0%, 26.3%)
CIE-LAB	lab(50.40, 8.28, -39.99)
CIE-LCH	lch(50.40, 40.84, 281.69°)
OKLab	oklab(57.51% -0.0132 -0.1131)
OKLCH	oklch(57.51% 0.114 263.4)
XYZ	xyz(19.4172, 18.7543, 50.1639)
Luminance	0.1876 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5577BC #BC9A55

analogous

#55AABC #5577BC #6655BC

triadic

#5577BC #BC5577 #77BC55

tetradic

#5577BC #BC55AA #BC9A55 #55BC66

square

#5577BC #BC55AA #BC9A55 #55BC66

split-complementary

#5577BC #BC6655 #AABC55

monochromatic

#2B406C #3C5A98 #5577BC #819ACD #ADBDDF

Accessibility & contrast

On white

4.42

#5577BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5577BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5577BC

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5577BC	#FFFFFF	#000000	##000000
##5577BC	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7DBF

Deuteranopia (green-blind)

#4F74BB

Tritanopia (blue-blind)

#198690

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5577bc;
/* rgb */ color: rgb(85, 119, 188);
/* oklch */ color: oklch(57.5% 0.114 263.4);

Tailwind

colors: {
  custom: {
    50: '#8c9dd0',
    500: '#5577bc',
    950: '#000000',
  },
}

SCSS

$custom: #5577bc;
$custom-light: #8c9dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5577bc",
  "rgb": {
    "r": 85,
    "g": 119,
    "b": 188
  },
  "hsl": {
    "h": 220.194,
    "s": 43.46,
    "l": 53.529
  },
  "oklch": {
    "l": 0.57505,
    "c": 0.11385,
    "h": 263.4
  },
  "luminance": 0.18756
}

Semantic roles & 50–950 ramp

primary

#5577BC

secondary

#CCBEA0

accent

#A955D3

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E14

muted

#7D7E82

Preview Lab

Preview with #5577BC

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

Preview Lab → · Contrast checker → · Palette generator →