#3558B5#3558B5

#3558B5 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 48.7% C 0.153 H 265.5°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#3558B5
RGB	rgb(53, 88, 181)
HSL	hsl(224, 55%, 46%)
HSV	hsv(224, 71%, 71%)
CMYK	cmyk(70.7%, 51.4%, 0%, 29%)
CIE-LAB	lab(39.70, 19.47, -53.10)
CIE-LCH	lch(39.70, 56.55, 290.13°)
OKLab	oklab(48.71% -0.012 -0.1526)
OKLCH	oklch(48.71% 0.153 265.5)
XYZ	xyz(13.2955, 11.0712, 45.1434)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558B5 #B59235

analogous

#3598B5 #3558B5 #5235B5

triadic

#3558B5 #B53558 #58B535

tetradic

#3558B5 #B53598 #B59235 #35B552

square

#3558B5 #B53598 #B59235 #35B552

split-complementary

#3558B5 #B55235 #98B535

monochromatic

#192A56 #274186 #3558B5 #5979CE #889FDC

Accessibility & contrast

On white

6.53

#3558B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3558B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558B5

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558B5	#FFFFFF	#000000	##FFFFFF
##3558B5	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F64B8

Deuteranopia (green-blind)

#0058B3

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3558b5;
/* rgb */ color: rgb(53, 88, 181);
/* oklch */ color: oklch(48.7% 0.153 265.5);

Tailwind

colors: {
  custom: {
    50: '#7c86cc',
    500: '#3558b5',
    950: '#000000',
  },
}

SCSS

$custom: #3558b5;
$custom-light: #7c86cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3558b5",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 181
  },
  "hsl": {
    "h": 223.594,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.48712,
    "c": 0.15304,
    "h": 265.5
  },
  "luminance": 0.11073
}

Semantic roles & 50–950 ramp

primary

#3558B5

secondary

#C6B380

accent

#B54ADE

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #3558B5

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

Preview Lab → · Contrast checker → · Palette generator →