#3558B8#3558B8

#3558B8 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.9% C 0.157 H 265.7°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3558B8
RGB	rgb(53, 88, 184)
HSL	hsl(224, 55%, 46%)
HSV	hsv(224, 71%, 72%)
CMYK	cmyk(71.2%, 52.2%, 0%, 27.8%)
CIE-LAB	lab(39.91, 20.58, -54.52)
CIE-LCH	lch(39.91, 58.28, 290.68°)
OKLab	oklab(48.94% -0.0117 -0.1568)
OKLCH	oklch(48.94% 0.157 265.7)
XYZ	xyz(13.6066, 11.1956, 46.7820)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558B8 #B89535

analogous

#359AB8 #3558B8 #5335B8

triadic

#3558B8 #B83558 #58B835

tetradic

#3558B8 #B8359A #B89535 #35B853

square

#3558B8 #B8359A #B89535 #35B853

split-complementary

#3558B8 #B85335 #9AB835

monochromatic

#1A2B59 #274188 #3558B8 #5B7AD0 #8AA0DD

Accessibility & contrast

On white

6.48

#3558B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3558B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558B8

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558B8	#FFFFFF	#000000	##FFFFFF
##3558B8	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1964BB

Deuteranopia (green-blind)

#0058B6

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3558b8;
/* rgb */ color: rgb(53, 88, 184);
/* oklch */ color: oklch(48.9% 0.157 265.7);

Tailwind

colors: {
  custom: {
    50: '#7d86ce',
    500: '#3558b8',
    950: '#000000',
  },
}

SCSS

$custom: #3558b8;
$custom-light: #7d86ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3558b8",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 184
  },
  "hsl": {
    "h": 223.969,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48936,
    "c": 0.15719,
    "h": 265.7
  },
  "luminance": 0.11197
}

Semantic roles & 50–950 ramp

primary

#3558B8

secondary

#C7B581

accent

#B749DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3558B8

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

Preview Lab → · Contrast checker → · Palette generator →