#3558A3#3558A3

#3558A3 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.4% C 0.128 H 263.5°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3558A3
RGB	rgb(53, 88, 163)
HSL	hsl(221, 51%, 42%)
HSV	hsv(221, 67%, 64%)
CMYK	cmyk(67.5%, 46%, 0%, 36.1%)
CIE-LAB	lab(38.52, 12.80, -44.35)
CIE-LCH	lch(38.52, 46.16, 286.09°)
OKLab	oklab(47.43% -0.0145 -0.1268)
OKLCH	oklch(47.43% 0.128 263.5)
XYZ	xyz(11.5665, 10.3796, 36.0371)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558A3 #A38035

analogous

#358FA3 #3558A3 #4935A3

triadic

#3558A3 #A33558 #58A335

tetradic

#3558A3 #A3358F #A38035 #35A349

square

#3558A3 #A3358F #A38035 #35A349

split-complementary

#3558A3 #A34935 #8FA335

monochromatic

#172647 #263F75 #3558A3 #4F75C6 #7E99D5

Accessibility & contrast

On white

6.83

#3558A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3558A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558A3

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558A3	#FFFFFF	#000000	##FFFFFF
##3558A3	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3360A6

Deuteranopia (green-blind)

#1F56A1

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3558a3;
/* rgb */ color: rgb(53, 88, 163);
/* oklch */ color: oklch(47.4% 0.128 263.5);

Tailwind

colors: {
  custom: {
    50: '#7886bf',
    500: '#3558a3',
    950: '#000000',
  },
}

SCSS

$custom: #3558a3;
$custom-light: #7886bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3558a3",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 163
  },
  "hsl": {
    "h": 220.909,
    "s": 50.926,
    "l": 42.353
  },
  "oklch": {
    "l": 0.47427,
    "c": 0.12765,
    "h": 263.5
  },
  "luminance": 0.10381
}

Semantic roles & 50–950 ramp

primary

#3558A3

secondary

#BEA776

accent

#AE4DDA

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3558A3

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

Preview Lab → · Contrast checker → · Palette generator →