#3B4584#3B4584

#3B4584 is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.5% C 0.105 H 274.1°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#3B4584
RGB	rgb(59, 69, 132)
HSL	hsl(232, 38%, 37%)
HSV	hsv(232, 55%, 52%)
CMYK	cmyk(55.3%, 47.7%, 0%, 48.2%)
CIE-LAB	lab(31.47, 15.39, -36.79)
CIE-LCH	lch(31.47, 39.88, 292.70°)
OKLab	oklab(41.5% 0.0076 -0.1047)
OKLCH	oklch(41.5% 0.105 274.1)
XYZ	xyz(8.0953, 6.8515, 22.7212)
Luminance	0.0685 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B4584 #847A3B

analogous

#3B6984 #3B4584 #563B84

triadic

#3B4584 #843B45 #45843B

tetradic

#3B4584 #843B69 #847A3B #3B8456

square

#3B4584 #843B69 #847A3B #3B8456

split-complementary

#3B4584 #84563B #69843B

monochromatic

#15192F #282F5A #3B4584 #4E5BAE #7781C2

Accessibility & contrast

On white

8.86

#3B4584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3B4584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B4584

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B4584	#FFFFFF	#000000	##FFFFFF
##3B4584	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#294D86

Deuteranopia (green-blind)

#204783

Tritanopia (blue-blind)

#18535E

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3b4584;
/* rgb */ color: rgb(59, 69, 132);
/* oklch */ color: oklch(41.5% 0.105 274.1);

Tailwind

colors: {
  custom: {
    50: '#7778a8',
    500: '#3b4584',
    950: '#000000',
  },
}

SCSS

$custom: #3b4584;
$custom-light: #7778a8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b4584",
  "rgb": {
    "r": 59,
    "g": 69,
    "b": 132
  },
  "hsl": {
    "h": 231.781,
    "s": 38.22,
    "l": 37.451
  },
  "oklch": {
    "l": 0.415,
    "c": 0.105,
    "h": 274.1
  },
  "luminance": 0.06852
}

Semantic roles & 50–950 ramp

primary

#3B4584

secondary

#ACA36F

accent

#BE5ACE

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #3B4584

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

Preview Lab → · Contrast checker → · Palette generator →