#3558A9#3558A9

#3558A9 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.8% C 0.136 H 264.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3558A9
RGB	rgb(53, 88, 169)
HSL	hsl(222, 52%, 44%)
HSV	hsv(222, 69%, 66%)
CMYK	cmyk(68.6%, 47.9%, 0%, 33.7%)
CIE-LAB	lab(38.90, 15.02, -47.31)
CIE-LCH	lch(38.90, 49.63, 287.61°)
OKLab	oklab(47.84% -0.0135 -0.1355)
OKLCH	oklch(47.84% 0.136 264.3)
XYZ	xyz(12.1168, 10.5997, 38.9358)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3558A9 #A98635

analogous

#3592A9 #3558A9 #4C35A9

triadic

#3558A9 #A93558 #58A935

tetradic

#3558A9 #A93592 #A98635 #35A94C

square

#3558A9 #A93592 #A98635 #35A94C

split-complementary

#3558A9 #A94C35 #92A935

monochromatic

#18274C #26407A #3558A9 #5276C9 #819BD7

Accessibility & contrast

On white

6.73

#3558A9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3558A9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3558A9

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3558A9	#FFFFFF	#000000	##FFFFFF
##3558A9	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E61AC

Deuteranopia (green-blind)

#1357A7

Tritanopia (blue-blind)

#006B78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3558a9;
/* rgb */ color: rgb(53, 88, 169);
/* oklch */ color: oklch(47.8% 0.136 264.3);

Tailwind

colors: {
  custom: {
    50: '#7a86c3',
    500: '#3558a9',
    950: '#000000',
  },
}

SCSS

$custom: #3558a9;
$custom-light: #7a86c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3558a9",
  "rgb": {
    "r": 53,
    "g": 88,
    "b": 169
  },
  "hsl": {
    "h": 221.897,
    "s": 52.252,
    "l": 43.529
  },
  "oklch": {
    "l": 0.47843,
    "c": 0.13619,
    "h": 264.3
  },
  "luminance": 0.10601
}

Semantic roles & 50–950 ramp

primary

#3558A9

secondary

#C1AB79

accent

#B04CDC

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3558A9

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

Preview Lab → · Contrast checker → · Palette generator →