#3548AB#3548AB

#3548AB is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.7% C 0.159 H 270.4°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3548AB
RGB	rgb(53, 72, 171)
HSL	hsl(230, 53%, 44%)
HSV	hsv(230, 69%, 67%)
CMYK	cmyk(69%, 57.9%, 0%, 32.9%)
CIE-LAB	lab(34.66, 26.27, -55.34)
CIE-LCH	lch(34.66, 61.26, 295.40°)
OKLab	oklab(44.69% 0.0011 -0.1594)
OKLCH	oklch(44.69% 0.159 270.4)
XYZ	xyz(11.1337, 8.3308, 39.5414)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3548AB #AB9835

analogous

#3583AB #3548AB #5D35AB

triadic

#3548AB #AB3548 #48AB35

tetradic

#3548AB #AB3583 #AB9835 #35AB5D

square

#3548AB #AB3583 #AB9835 #35AB5D

split-complementary

#3548AB #AB5D35 #83AB35

monochromatic

#18214E #27347C #3548AB #5366CA #8290D8

Accessibility & contrast

On white

7.88

#3548AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3548AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3548AB

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3548AB	#FFFFFF	#000000	##FFFFFF
##3548AB	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AE

Deuteranopia (green-blind)

#004CA9

Tritanopia (blue-blind)

#006072

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3548ab;
/* rgb */ color: rgb(53, 72, 171);
/* oklch */ color: oklch(44.7% 0.159 270.4);

Tailwind

colors: {
  custom: {
    50: '#7b7ac5',
    500: '#3548ab',
    950: '#000000',
  },
}

SCSS

$custom: #3548ab;
$custom-light: #7b7ac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3548ab",
  "rgb": {
    "r": 53,
    "g": 72,
    "b": 171
  },
  "hsl": {
    "h": 230.339,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44685,
    "c": 0.1594,
    "h": 270.4
  },
  "luminance": 0.08332
}

Semantic roles & 50–950 ramp

primary

#3548AB

secondary

#C2B67A

accent

#C54CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3548AB

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

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