#3A4599#3A4599

#3A4599 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.136 H 273.6°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#3A4599
RGB	rgb(58, 69, 153)
HSL	hsl(233, 45%, 41%)
HSV	hsv(233, 62%, 60%)
CMYK	cmyk(62.1%, 54.9%, 0%, 40%)
CIE-LAB	lab(32.82, 22.59, -47.49)
CIE-LCH	lch(32.82, 52.58, 295.44°)
OKLab	oklab(42.96% 0.0086 -0.1362)
OKLCH	oklch(42.96% 0.136 273.6)
XYZ	xyz(9.6209, 7.4549, 31.0628)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4599 #998E3A

analogous

#3A7599 #3A4599 #5F3A99

triadic

#3A4599 #993A45 #45993A

tetradic

#3A4599 #993A75 #998E3A #3A995F

square

#3A4599 #993A75 #998E3A #3A995F

split-complementary

#3A4599 #995F3A #75993A

monochromatic

#181D40 #29316D #3A4599 #535FBE #7F88CE

Accessibility & contrast

On white

8.43

#3A4599 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A4599 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4599

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4599	#FFFFFF	#000000	##FFFFFF
##3A4599	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C519C

Deuteranopia (green-blind)

#004997

Tritanopia (blue-blind)

#005968

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a4599;
/* rgb */ color: rgb(58, 69, 153);
/* oklch */ color: oklch(43.0% 0.136 273.6);

Tailwind

colors: {
  custom: {
    50: '#7a78b8',
    500: '#3a4599',
    950: '#000000',
  },
}

SCSS

$custom: #3a4599;
$custom-light: #7a78b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4599",
  "rgb": {
    "r": 58,
    "g": 69,
    "b": 153
  },
  "hsl": {
    "h": 233.053,
    "s": 45.024,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42961,
    "c": 0.13648,
    "h": 273.6
  },
  "luminance": 0.07456
}

Semantic roles & 50–950 ramp

primary

#3A4599

secondary

#B8B077

accent

#C653D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #3A4599

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

Preview Lab → · Contrast checker → · Palette generator →