#3548A0#3548A0

#3548A0 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.8% C 0.144 H 270.2°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3548A0
RGB	rgb(53, 72, 160)
HSL	hsl(229, 50%, 42%)
HSV	hsv(229, 67%, 63%)
CMYK	cmyk(66.9%, 55%, 0%, 37.3%)
CIE-LAB	lab(33.83, 22.25, -50.09)
CIE-LCH	lch(33.83, 54.81, 293.95°)
OKLab	oklab(43.8% 0.0006 -0.144)
OKLCH	oklch(43.8% 0.144 270.2)
XYZ	xyz(10.1286, 7.9287, 34.2475)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548A0 #A08D35

analogous

#357EA0 #3548A0 #5835A0

triadic

#3548A0 #A03548 #48A035

tetradic

#3548A0 #A0357E #A08D35 #35A058

square

#3548A0 #A0357E #A08D35 #35A058

split-complementary

#3548A0 #A05835 #7EA035

monochromatic

#171F44 #263372 #3548A0 #4E63C4 #7C8BD4

Accessibility & contrast

On white

8.12

#3548A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3548A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548A0

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548A0	#FFFFFF	#000000	##FFFFFF
##3548A0	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0555A3

Deuteranopia (green-blind)

#004B9E

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3548a0;
/* rgb */ color: rgb(53, 72, 160);
/* oklch */ color: oklch(43.8% 0.144 270.2);

Tailwind

colors: {
  custom: {
    50: '#797abd',
    500: '#3548a0',
    950: '#000000',
  },
}

SCSS

$custom: #3548a0;
$custom-light: #797abd;
$custom-dark: #000000;

JSON

{
  "hex": "#3548a0",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 160
  },
  "hsl": {
    "h": 229.346,
    "s": 50.235,
    "l": 41.765
  },
  "oklch": {
    "l": 0.43803,
    "c": 0.14397,
    "h": 270.2
  },
  "luminance": 0.0793
}

Semantic roles & 50–950 ramp

primary

#3548A0

secondary

#BCB074

accent

#C14EDA

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3548A0

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

Preview Lab → · Contrast checker → · Palette generator →