#3558A5#3558A5

#3558A5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.6% C 0.131 H 263.8°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#3558A5
RGB	rgb(53, 88, 165)
HSL	hsl(221, 51%, 43%)
HSV	hsv(221, 68%, 65%)
CMYK	cmyk(67.9%, 46.7%, 0%, 35.3%)
CIE-LAB	lab(38.64, 13.53, -45.34)
CIE-LCH	lch(38.64, 47.32, 286.62°)
OKLab	oklab(47.56% -0.0141 -0.1297)
OKLCH	oklch(47.56% 0.131 263.8)
XYZ	xyz(11.7471, 10.4518, 36.9883)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558A5 #A58235

analogous

#3590A5 #3558A5 #4A35A5

triadic

#3558A5 #A53558 #58A535

tetradic

#3558A5 #A53590 #A58235 #35A54A

square

#3558A5 #A53590 #A58235 #35A54A

split-complementary

#3558A5 #A54A35 #90A535

monochromatic

#172748 #263F77 #3558A5 #5075C7 #7F9AD6

Accessibility & contrast

On white

6.79

#3558A5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3558A5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558A5

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558A5	#FFFFFF	#000000	##FFFFFF
##3558A5	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3160A8

Deuteranopia (green-blind)

#1C56A3

Tritanopia (blue-blind)

#006A76

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3558a5;
/* rgb */ color: rgb(53, 88, 165);
/* oklch */ color: oklch(47.6% 0.131 263.8);

Tailwind

colors: {
  custom: {
    50: '#7986c0',
    500: '#3558a5',
    950: '#000000',
  },
}

SCSS

$custom: #3558a5;
$custom-light: #7986c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3558a5",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 165
  },
  "hsl": {
    "h": 221.25,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.47564,
    "c": 0.13051,
    "h": 263.8
  },
  "luminance": 0.10453
}

Semantic roles & 50–950 ramp

primary

#3558A5

secondary

#BFA877

accent

#AF4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3558A5

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

Preview Lab → · Contrast checker → · Palette generator →