#3558AE#3558AE

#3558AE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.143 H 264.9°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3558AE
RGB	rgb(53, 88, 174)
HSL	hsl(223, 53%, 45%)
HSV	hsv(223, 70%, 68%)
CMYK	cmyk(69.5%, 49.4%, 0%, 31.8%)
CIE-LAB	lab(39.23, 16.87, -49.74)
CIE-LCH	lch(39.23, 52.52, 288.73°)
OKLab	oklab(48.2% -0.0128 -0.1427)
OKLCH	oklch(48.2% 0.143 264.9)
XYZ	xyz(12.5952, 10.7911, 41.4553)
Luminance	0.1079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558AE #AE8B35

analogous

#3594AE #3558AE #4F35AE

triadic

#3558AE #AE3558 #58AE35

tetradic

#3558AE #AE3594 #AE8B35 #35AE4F

square

#3558AE #AE3594 #AE8B35 #35AE4F

split-complementary

#3558AE #AE4F35 #94AE35

monochromatic

#182950 #27407F #3558AE #5577CB #849DDA

Accessibility & contrast

On white

6.65

#3558AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3558AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558AE

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558AE	#FFFFFF	#000000	##FFFFFF
##3558AE	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2862B1

Deuteranopia (green-blind)

#0257AC

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3558ae;
/* rgb */ color: rgb(53, 88, 174);
/* oklch */ color: oklch(48.2% 0.143 264.9);

Tailwind

colors: {
  custom: {
    50: '#7b86c7',
    500: '#3558ae',
    950: '#000000',
  },
}

SCSS

$custom: #3558ae;
$custom-light: #7b86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3558ae",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 174
  },
  "hsl": {
    "h": 222.645,
    "s": 53.304,
    "l": 44.51
  },
  "oklch": {
    "l": 0.482,
    "c": 0.14325,
    "h": 264.9
  },
  "luminance": 0.10792
}

Semantic roles & 50–950 ramp

primary

#3558AE

secondary

#C3AE7C

accent

#B34BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3558AE

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

Preview Lab → · Contrast checker → · Palette generator →