#3545AB#3545AB

#3545AB is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.1% C 0.163 H 271.2°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3545AB
RGB	rgb(53, 69, 171)
HSL	hsl(232, 53%, 44%)
HSV	hsv(232, 69%, 67%)
CMYK	cmyk(69%, 59.6%, 0%, 32.9%)
CIE-LAB	lab(33.88, 28.24, -56.61)
CIE-LCH	lch(33.88, 63.26, 296.51°)
OKLab	oklab(44.11% 0.0036 -0.1632)
OKLCH	oklch(44.11% 0.163 271.2)
XYZ	xyz(10.9445, 7.9524, 39.4784)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3545AB #AB9B35

analogous

#3580AB #3545AB #6035AB

triadic

#3545AB #AB3545 #45AB35

tetradic

#3545AB #AB3580 #AB9B35 #35AB60

square

#3545AB #AB3580 #AB9B35 #35AB60

split-complementary

#3545AB #AB6035 #80AB35

monochromatic

#181F4E #27327C #3545AB #5363CA #828ED8

Accessibility & contrast

On white

8.11

#3545AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3545AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3545AB

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3545AB	#FFFFFF	#000000	##FFFFFF
##3545AB	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AE

Deuteranopia (green-blind)

#004AA9

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3545ab;
/* rgb */ color: rgb(53, 69, 171);
/* oklch */ color: oklch(44.1% 0.163 271.2);

Tailwind

colors: {
  custom: {
    50: '#7b78c5',
    500: '#3545ab',
    950: '#000000',
  },
}

SCSS

$custom: #3545ab;
$custom-light: #7b78c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3545ab",
  "rgb": {
    "r": 53,
    "g": 69,
    "b": 171
  },
  "hsl": {
    "h": 231.864,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44105,
    "c": 0.1632,
    "h": 271.2
  },
  "luminance": 0.07953
}

Semantic roles & 50–950 ramp

primary

#3545AB

secondary

#C2B87A

accent

#C94CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3545AB

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

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