#3A4591#3A4591

#3A4591 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.4% C 0.125 H 273.7°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#3A4591
RGB	rgb(58, 69, 145)
HSL	hsl(232, 43%, 40%)
HSV	hsv(232, 60%, 57%)
CMYK	cmyk(60%, 52.4%, 0%, 43.1%)
CIE-LAB	lab(32.26, 19.74, -43.52)
CIE-LCH	lch(32.26, 47.79, 294.40°)
OKLab	oklab(42.36% 0.008 -0.1245)
OKLCH	oklch(42.36% 0.125 273.7)
XYZ	xyz(8.9822, 7.1994, 27.6989)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4591 #91863A

analogous

#3A7091 #3A4591 #5B3A91

triadic

#3A4591 #913A45 #45913A

tetradic

#3A4591 #913A70 #91863A #3A915B

square

#3A4591 #913A70 #91863A #3A915B

split-complementary

#3A4591 #915B3A #70913A

monochromatic

#171B3A #293065 #3A4591 #4F5DB9 #7B85CA

Accessibility & contrast

On white

8.61

#3A4591 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#3A4591 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4591

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4591	#FFFFFF	#000000	##FFFFFF
##3A4591	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5094

Deuteranopia (green-blind)

#07488F

Tritanopia (blue-blind)

#005664

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3a4591;
/* rgb */ color: rgb(58, 69, 145);
/* oklch */ color: oklch(42.4% 0.125 273.7);

Tailwind

colors: {
  custom: {
    50: '#7878b2',
    500: '#3a4591',
    950: '#000000',
  },
}

SCSS

$custom: #3a4591;
$custom-light: #7878b2;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4591",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 145
  },
  "hsl": {
    "h": 232.414,
    "s": 42.857,
    "l": 39.804
  },
  "oklch": {
    "l": 0.42357,
    "c": 0.1248,
    "h": 273.7
  },
  "luminance": 0.072
}

Semantic roles & 50–950 ramp

primary

#3A4591

secondary

#B4AC73

accent

#C355D3

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3A4591

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

Preview Lab → · Contrast checker → · Palette generator →