#3A499F#3A499F

#3A499F is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.2% C 0.140 H 272.0°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3A499F
RGB	rgb(58, 73, 159)
HSL	hsl(231, 47%, 43%)
HSV	hsv(231, 64%, 62%)
CMYK	cmyk(63.5%, 54.1%, 0%, 37.6%)
CIE-LAB	lab(34.33, 22.09, -48.68)
CIE-LCH	lch(34.33, 53.46, 294.41°)
OKLab	oklab(44.23% 0.0049 -0.1397)
OKLCH	oklch(44.23% 0.14 272)
XYZ	xyz(10.3834, 8.1670, 33.8234)
Luminance	0.0817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A499F #9F903A

analogous

#3A7C9F #3A499F #5D3A9F

triadic

#3A499F #9F3A49 #499F3A

tetradic

#3A499F #9F3A7C #9F903A #3A9F5D

square

#3A499F #9F3A7C #9F903A #3A9F5D

split-complementary

#3A499F #9F5D3A #7C9F3A

monochromatic

#192045 #2A3472 #3A499F #5565C1 #828ED1

Accessibility & contrast

On white

7.97

#3A499F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3A499F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A499F

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A499F	#FFFFFF	#000000	##FFFFFF
##3A499F	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1155A2

Deuteranopia (green-blind)

#004C9D

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a499f;
/* rgb */ color: rgb(58, 73, 159);
/* oklch */ color: oklch(44.2% 0.140 272.0);

Tailwind

colors: {
  custom: {
    50: '#7b7bbc',
    500: '#3a499f',
    950: '#000000',
  },
}

SCSS

$custom: #3a499f;
$custom-light: #7b7bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a499f",
  "rgb": {
    "r": 58,
    "g": 73,
    "b": 159
  },
  "hsl": {
    "h": 231.089,
    "s": 46.544,
    "l": 42.549
  },
  "oklch": {
    "l": 0.4423,
    "c": 0.13976,
    "h": 272
  },
  "luminance": 0.08168
}

Semantic roles & 50–950 ramp

primary

#3A499F

secondary

#BBB17A

accent

#C252D6

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3A499F

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

Preview Lab → · Contrast checker → · Palette generator →