#3558B2#3558B2

#3558B2 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.149 H 265.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3558B2
RGB	rgb(53, 88, 178)
HSL	hsl(223, 54%, 45%)
HSV	hsv(223, 70%, 70%)
CMYK	cmyk(70.2%, 50.6%, 0%, 30.2%)
CIE-LAB	lab(39.50, 18.35, -51.66)
CIE-LCH	lch(39.50, 54.83, 289.56°)
OKLab	oklab(48.49% -0.0123 -0.1483)
OKLCH	oklch(48.49% 0.149 265.3)
XYZ	xyz(12.9910, 10.9494, 43.5396)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558B2 #B28F35

analogous

#3596B2 #3558B2 #5035B2

triadic

#3558B2 #B23558 #58B235

tetradic

#3558B2 #B23596 #B28F35 #35B250

square

#3558B2 #B23596 #B28F35 #35B250

split-complementary

#3558B2 #B25035 #96B235

monochromatic

#192954 #274183 #3558B2 #5778CD #869EDB

Accessibility & contrast

On white

6.58

#3558B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3558B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558B2

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558B2	#FFFFFF	#000000	##FFFFFF
##3558B2	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2363B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3558b2;
/* rgb */ color: rgb(53, 88, 178);
/* oklch */ color: oklch(48.5% 0.149 265.3);

Tailwind

colors: {
  custom: {
    50: '#7c86ca',
    500: '#3558b2',
    950: '#000000',
  },
}

SCSS

$custom: #3558b2;
$custom-light: #7c86ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3558b2",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 178
  },
  "hsl": {
    "h": 223.2,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4849,
    "c": 0.14886,
    "h": 265.3
  },
  "luminance": 0.10951
}

Semantic roles & 50–950 ramp

primary

#3558B2

secondary

#C5B17E

accent

#B44ADD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3558B2

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

Preview Lab → · Contrast checker → · Palette generator →