#3A4099#3A4099

#3A4099 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.143 H 275.4°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#3A4099
RGB	rgb(58, 64, 153)
HSL	hsl(236, 45%, 41%)
HSV	hsv(236, 62%, 60%)
CMYK	cmyk(62.1%, 58.2%, 0%, 40%)
CIE-LAB	lab(31.50, 25.88, -49.63)
CIE-LCH	lch(31.50, 55.97, 297.54°)
OKLab	oklab(41.97% 0.0136 -0.1426)
OKLCH	oklch(41.97% 0.143 275.4)
XYZ	xyz(9.3262, 6.8655, 30.9645)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4099 #99933A

analogous

#3A7099 #3A4099 #643A99

triadic

#3A4099 #993A40 #40993A

tetradic

#3A4099 #993A70 #99933A #3A9964

square

#3A4099 #993A70 #99933A #3A9964

split-complementary

#3A4099 #99643A #70993A

monochromatic

#181B40 #292D6D #3A4099 #5359BE #7F84CE

Accessibility & contrast

On white

8.85

#3A4099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3A4099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4099

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4099	#FFFFFF	#000000	##FFFFFF
##3A4099	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9C

Deuteranopia (green-blind)

#004697

Tritanopia (blue-blind)

#005566

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3a4099;
/* rgb */ color: rgb(58, 64, 153);
/* oklch */ color: oklch(42.0% 0.143 275.4);

Tailwind

colors: {
  custom: {
    50: '#7a74b8',
    500: '#3a4099',
    950: '#000000',
  },
}

SCSS

$custom: #3a4099;
$custom-light: #7a74b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4099",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 153
  },
  "hsl": {
    "h": 236.211,
    "s": 45.024,
    "l": 41.373
  },
  "oklch": {
    "l": 0.41973,
    "c": 0.14321,
    "h": 275.4
  },
  "luminance": 0.06866
}

Semantic roles & 50–950 ramp

primary

#3A4099

secondary

#B8B477

accent

#CD53D5

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #3A4099

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

Preview Lab → · Contrast checker → · Palette generator →