#3548A7#3548A7

#3548A7 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.4% C 0.154 H 270.4°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3548A7
RGB	rgb(53, 72, 167)
HSL	hsl(230, 52%, 43%)
HSV	hsv(230, 68%, 65%)
CMYK	cmyk(68.3%, 56.9%, 0%, 34.5%)
CIE-LAB	lab(34.36, 24.81, -53.45)
CIE-LCH	lch(34.36, 58.93, 294.90°)
OKLab	oklab(44.36% 0.001 -0.1538)
OKLCH	oklch(44.36% 0.154 270.4)
XYZ	xyz(10.7582, 8.1806, 37.5638)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548A7 #A79435

analogous

#3581A7 #3548A7 #5B35A7

triadic

#3548A7 #A73548 #48A735

tetradic

#3548A7 #A73581 #A79435 #35A75B

square

#3548A7 #A73581 #A79435 #35A75B

split-complementary

#3548A7 #A75B35 #81A735

monochromatic

#18204A #263479 #3548A7 #5165C8 #808ED7

Accessibility & contrast

On white

7.97

#3548A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#3548A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548A7

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548A7	#FFFFFF	#000000	##FFFFFF
##3548A7	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AA

Deuteranopia (green-blind)

#004CA5

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3548a7;
/* rgb */ color: rgb(53, 72, 167);
/* oklch */ color: oklch(44.4% 0.154 270.4);

Tailwind

colors: {
  custom: {
    50: '#7a7ac2',
    500: '#3548a7',
    950: '#000000',
  },
}

SCSS

$custom: #3548a7;
$custom-light: #7a7ac2;
$custom-dark: #000000;

JSON

{
  "hex": "#3548a7",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 167
  },
  "hsl": {
    "h": 230,
    "s": 51.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4436,
    "c": 0.15384,
    "h": 270.4
  },
  "luminance": 0.08182
}

Semantic roles & 50–950 ramp

primary

#3548A7

secondary

#C0B478

accent

#C34DDB

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3548A7

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

Preview Lab → · Contrast checker → · Palette generator →