#3548A5#3548A5

#3548A5 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 44.2% C 0.151 H 270.3°. Best body text is #FFFFFF at 8.01:1 contrast (WCAG AA passes).

Color values

HEX	#3548A5
RGB	rgb(53, 72, 165)
HSL	hsl(230, 51%, 43%)
HSV	hsv(230, 68%, 65%)
CMYK	cmyk(67.9%, 56.4%, 0%, 35.3%)
CIE-LAB	lab(34.21, 24.08, -52.50)
CIE-LCH	lch(34.21, 57.76, 294.64°)
OKLab	oklab(44.2% 0.0009 -0.151)
OKLCH	oklch(44.2% 0.151 270.3)
XYZ	xyz(10.5748, 8.1072, 36.5976)
Luminance	0.0811 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548A5 #A59235

analogous

#3580A5 #3548A5 #5A35A5

triadic

#3548A5 #A53548 #48A535

tetradic

#3548A5 #A53580 #A59235 #35A55A

square

#3548A5 #A53580 #A59235 #35A55A

split-complementary

#3548A5 #A55A35 #80A535

monochromatic

#172048 #263477 #3548A5 #5064C7 #7F8DD6

Accessibility & contrast

On white

8.01

#3548A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#3548A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548A5

8.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548A5	#FFFFFF	#000000	##FFFFFF
##3548A5	1.00	8.01	2.62	8.01
#FFFFFF	8.01	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A8

Deuteranopia (green-blind)

#004CA3

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3548a5;
/* rgb */ color: rgb(53, 72, 165);
/* oklch */ color: oklch(44.2% 0.151 270.3);

Tailwind

colors: {
  custom: {
    50: '#7a7ac0',
    500: '#3548a5',
    950: '#000000',
  },
}

SCSS

$custom: #3548a5;
$custom-light: #7a7ac0;
$custom-dark: #000000;

JSON

{
  "hex": "#3548a5",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 165
  },
  "hsl": {
    "h": 229.821,
    "s": 51.376,
    "l": 42.745
  },
  "oklch": {
    "l": 0.44199,
    "c": 0.15103,
    "h": 270.3
  },
  "luminance": 0.08108
}

Semantic roles & 50–950 ramp

primary

#3548A5

secondary

#BFB377

accent

#C34DDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3548A5

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

Preview Lab → · Contrast checker → · Palette generator →