#3541AA#3541AA

#3541AA is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.3% C 0.167 H 272.3°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3541AA
RGB	rgb(53, 65, 170)
HSL	hsl(234, 52%, 44%)
HSV	hsv(234, 69%, 67%)
CMYK	cmyk(68.8%, 61.8%, 0%, 33.3%)
CIE-LAB	lab(32.79, 30.48, -57.80)
CIE-LCH	lch(32.79, 65.34, 297.80°)
OKLab	oklab(43.27% 0.0068 -0.1667)
OKLCH	oklch(43.27% 0.167 272.3)
XYZ	xyz(10.6118, 7.4388, 38.8990)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3541AA #AA9E35

analogous

#357BAA #3541AA #6335AA

triadic

#3541AA #AA3541 #41AA35

tetradic

#3541AA #AA357B #AA9E35 #35AA63

square

#3541AA #AA357B #AA9E35 #35AA63

split-complementary

#3541AA #AA6335 #7BAA35

monochromatic

#181D4D #262F7B #3541AA #535FC9 #828AD8

Accessibility & contrast

On white

8.44

#3541AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3541AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541AA

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541AA	#FFFFFF	#000000	##FFFFFF
##3541AA	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AD

Deuteranopia (green-blind)

#0048A8

Tritanopia (blue-blind)

#005B6F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3541aa;
/* rgb */ color: rgb(53, 65, 170);
/* oklch */ color: oklch(43.3% 0.167 272.3);

Tailwind

colors: {
  custom: {
    50: '#7b75c4',
    500: '#3541aa',
    950: '#000000',
  },
}

SCSS

$custom: #3541aa;
$custom-light: #7b75c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3541aa",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 170
  },
  "hsl": {
    "h": 233.846,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.43266,
    "c": 0.16684,
    "h": 272.3
  },
  "luminance": 0.0744
}

Semantic roles & 50–950 ramp

primary

#3541AA

secondary

#C1BA7A

accent

#CD4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3541AA

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

Preview Lab → · Contrast checker → · Palette generator →