#3548B2#3548B2

#3548B2 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.3% C 0.169 H 270.4°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3548B2
RGB	rgb(53, 72, 178)
HSL	hsl(231, 54%, 45%)
HSV	hsv(231, 70%, 70%)
CMYK	cmyk(70.2%, 59.6%, 0%, 30.2%)
CIE-LAB	lab(35.21, 28.82, -58.61)
CIE-LCH	lch(35.21, 65.31, 296.19°)
OKLab	oklab(45.27% 0.0012 -0.169)
OKLCH	oklch(45.27% 0.169 270.4)
XYZ	xyz(11.8187, 8.6048, 43.1489)
Luminance	0.0861 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548B2 #B29F35

analogous

#3586B2 #3548B2 #6035B2

triadic

#3548B2 #B23548 #48B235

tetradic

#3548B2 #B23586 #B29F35 #35B260

square

#3548B2 #B23586 #B29F35 #35B260

split-complementary

#3548B2 #B26035 #86B235

monochromatic

#192254 #273583 #3548B2 #5769CD #8693DB

Accessibility & contrast

On white

7.72

#3548B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3548B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548B2

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548B2	#FFFFFF	#000000	##FFFFFF
##3548B2	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B6

Deuteranopia (green-blind)

#004DB0

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3548b2;
/* rgb */ color: rgb(53, 72, 178);
/* oklch */ color: oklch(45.3% 0.169 270.4);

Tailwind

colors: {
  custom: {
    50: '#7c7aca',
    500: '#3548b2',
    950: '#000000',
  },
}

SCSS

$custom: #3548b2;
$custom-light: #7c7aca;
$custom-dark: #000000;

JSON

{
  "hex": "#3548b2",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 178
  },
  "hsl": {
    "h": 230.88,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.45267,
    "c": 0.169,
    "h": 270.4
  },
  "luminance": 0.08606
}

Semantic roles & 50–950 ramp

primary

#3548B2

secondary

#C5BA7E

accent

#C74ADD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3548B2

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

Preview Lab → · Contrast checker → · Palette generator →