#3558AF#3558AF

#3558AF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.3% C 0.145 H 265.0°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3558AF
RGB	rgb(53, 88, 175)
HSL	hsl(223, 54%, 45%)
HSV	hsv(223, 70%, 69%)
CMYK	cmyk(69.7%, 49.7%, 0%, 31.4%)
CIE-LAB	lab(39.29, 17.24, -50.22)
CIE-LCH	lch(39.29, 53.10, 288.95°)
OKLab	oklab(48.27% -0.0127 -0.1441)
OKLCH	oklch(48.27% 0.145 265)
XYZ	xyz(12.6931, 10.8302, 41.9706)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558AF #AF8C35

analogous

#3595AF #3558AF #4F35AF

triadic

#3558AF #AF3558 #58AF35

tetradic

#3558AF #AF3595 #AF8C35 #35AF4F

square

#3558AF #AF3595 #AF8C35 #35AF4F

split-complementary

#3558AF #AF4F35 #95AF35

monochromatic

#192951 #274080 #3558AF #5677CC #859DDA

Accessibility & contrast

On white

6.63

#3558AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3558AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558AF

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558AF	#FFFFFF	#000000	##FFFFFF
##3558AF	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2762B2

Deuteranopia (green-blind)

#0057AD

Tritanopia (blue-blind)

#006C7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3558af;
/* rgb */ color: rgb(53, 88, 175);
/* oklch */ color: oklch(48.3% 0.145 265.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3558af",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 175
  },
  "hsl": {
    "h": 222.787,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48272,
    "c": 0.14466,
    "h": 265
  },
  "luminance": 0.10831
}

Semantic roles & 50–950 ramp

primary

#3558AF

secondary

#C4AF7C

accent

#B34BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3558AF

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

Preview Lab → · Contrast checker → · Palette generator →