#3541AC#3541AC

#3541AC is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.4% C 0.170 H 272.3°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#3541AC
RGB	rgb(53, 65, 172)
HSL	hsl(234, 53%, 44%)
HSV	hsv(234, 69%, 67%)
CMYK	cmyk(69.2%, 62.2%, 0%, 32.5%)
CIE-LAB	lab(32.95, 31.20, -58.72)
CIE-LCH	lch(32.95, 66.50, 297.98°)
OKLab	oklab(43.44% 0.0067 -0.1694)
OKLCH	oklch(43.44% 0.17 272.3)
XYZ	xyz(10.8024, 7.5150, 39.9030)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.17

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3541AC #ACA035

analogous

#357DAC #3541AC #6535AC

triadic

#3541AC #AC3541 #41AC35

tetradic

#3541AC #AC357D #ACA035 #35AC65

square

#3541AC #AC357D #ACA035 #35AC65

split-complementary

#3541AC #AC6535 #7DAC35

monochromatic

#181E4E #272F7D #3541AC #5460CA #838BD9

Accessibility & contrast

On white

8.39

#3541AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#3541AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3541AC

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3541AC	#FFFFFF	#000000	##FFFFFF
##3541AC	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053AF

Deuteranopia (green-blind)

#0048AA

Tritanopia (blue-blind)

#005C70

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3541ac;
/* rgb */ color: rgb(53, 65, 172);
/* oklch */ color: oklch(43.4% 0.170 272.3);

Tailwind

colors: {
  custom: {
    50: '#7c75c6',
    500: '#3541ac',
    950: '#000000',
  },
}

SCSS

$custom: #3541ac;
$custom-light: #7c75c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3541ac",
  "rgb": {
    "r": 53,
    "g": 65,
    "b": 172
  },
  "hsl": {
    "h": 233.95,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43441,
    "c": 0.16954,
    "h": 272.3
  },
  "luminance": 0.07516
}

Semantic roles & 50–950 ramp

primary

#3541AC

secondary

#C2BB7B

accent

#CE4CDC

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3541AC

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

Preview Lab → · Contrast checker → · Palette generator →