#3548B4#3548B4

#3548B4 is a mid, vivid blue. Relative luminance 0.087; OKLCH L 45.4% C 0.172 H 270.4°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#3548B4
RGB	rgb(53, 72, 180)
HSL	hsl(231, 55%, 46%)
HSV	hsv(231, 71%, 71%)
CMYK	cmyk(70.6%, 60%, 0%, 29.4%)
CIE-LAB	lab(35.37, 29.55, -59.53)
CIE-LCH	lch(35.37, 66.46, 296.40°)
OKLab	oklab(45.44% 0.0012 -0.1717)
OKLCH	oklch(45.44% 0.172 270.4)
XYZ	xyz(12.0210, 8.6857, 44.2142)
Luminance	0.0869 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548B4 #B4A135

analogous

#3587B4 #3548B4 #6235B4

triadic

#3548B4 #B43548 #48B435

tetradic

#3548B4 #B43587 #B4A135 #35B462

square

#3548B4 #B43587 #B4A135 #35B462

split-complementary

#3548B4 #B46235 #87B435

monochromatic

#192255 #273585 #3548B4 #586ACE #8894DC

Accessibility & contrast

On white

7.67

#3548B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#3548B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548B4

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548B4	#FFFFFF	#000000	##FFFFFF
##3548B4	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059B8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006377

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3548b4;
/* rgb */ color: rgb(53, 72, 180);
/* oklch */ color: oklch(45.4% 0.172 270.4);

Tailwind

colors: {
  custom: {
    50: '#7d7acb',
    500: '#3548b4',
    950: '#000000',
  },
}

SCSS

$custom: #3548b4;
$custom-light: #7d7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3548b4",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 180
  },
  "hsl": {
    "h": 231.024,
    "s": 54.506,
    "l": 45.686
  },
  "oklch": {
    "l": 0.45436,
    "c": 0.17171,
    "h": 270.4
  },
  "luminance": 0.08687
}

Semantic roles & 50–950 ramp

primary

#3548B4

secondary

#C6BB7F

accent

#C84ADE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3548B4

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

Preview Lab → · Contrast checker → · Palette generator →