#3548AA#3548AA

#3548AA is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.6% C 0.158 H 270.4°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#3548AA
RGB	rgb(53, 72, 170)
HSL	hsl(230, 52%, 44%)
HSV	hsv(230, 69%, 67%)
CMYK	cmyk(68.8%, 57.6%, 0%, 33.3%)
CIE-LAB	lab(34.59, 25.91, -54.87)
CIE-LCH	lch(34.59, 60.68, 295.28°)
OKLab	oklab(44.6% 0.001 -0.158)
OKLCH	oklch(44.6% 0.158 270.4)
XYZ	xyz(11.0388, 8.2928, 39.0413)
Luminance	0.0829 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548AA #AA9735

analogous

#3582AA #3548AA #5C35AA

triadic

#3548AA #AA3548 #48AA35

tetradic

#3548AA #AA3582 #AA9735 #35AA5C

square

#3548AA #AA3582 #AA9735 #35AA5C

split-complementary

#3548AA #AA5C35 #82AA35

monochromatic

#18204D #26347B #3548AA #5366C9 #8290D8

Accessibility & contrast

On white

7.90

#3548AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#3548AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548AA

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548AA	#FFFFFF	#000000	##FFFFFF
##3548AA	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AD

Deuteranopia (green-blind)

#004CA8

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3548aa;
/* rgb */ color: rgb(53, 72, 170);
/* oklch */ color: oklch(44.6% 0.158 270.4);

Tailwind

colors: {
  custom: {
    50: '#7b7ac4',
    500: '#3548aa',
    950: '#000000',
  },
}

SCSS

$custom: #3548aa;
$custom-light: #7b7ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3548aa",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 170
  },
  "hsl": {
    "h": 230.256,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.44603,
    "c": 0.15801,
    "h": 270.4
  },
  "luminance": 0.08294
}

Semantic roles & 50–950 ramp

primary

#3548AA

secondary

#C1B67A

accent

#C54CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3548AA

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

Preview Lab → · Contrast checker → · Palette generator →