#3A404A#3A404A

#3A404A is a dark, near-neutral blue. Relative luminance 0.051; OKLCH L 37.0% C 0.019 H 260.7°. Best body text is #FFFFFF at 10.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A404A
RGB	rgb(58, 64, 74)
HSL	hsl(218, 12%, 26%)
HSV	hsv(218, 22%, 29%)
CMYK	cmyk(21.6%, 13.5%, 0%, 71%)
CIE-LAB	lab(26.91, 0.05, -6.90)
CIE-LCH	lch(26.91, 6.90, 270.43°)
OKLab	oklab(36.99% -0.0031 -0.0187)
OKLCH	oklch(36.99% 0.019 260.7)
XYZ	xyz(4.8140, 5.0606, 7.2004)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A404A #4A443A

analogous

#3A484A #3A404A #3C3A4A

triadic

#3A404A #4A3A40 #404A3A

tetradic

#3A404A #4A3A48 #4A443A #3A4A3C

square

#3A404A #4A3A48 #4A443A #3A4A3C

split-complementary

#3A404A #4A3C3A #484A3A

monochromatic

#0D0F11 #1F2228 #3A404A #555E6C #707B8F

Accessibility & contrast

On white

10.44

#3A404A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3A404A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A404A

10.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A404A	#FFFFFF	#000000	##FFFFFF
##3A404A	1.00	10.44	2.01	10.44
#FFFFFF	10.44	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D404A

Deuteranopia (green-blind)

#3B3F4A

Tritanopia (blue-blind)

#364243

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3a404a;
/* rgb */ color: rgb(58, 64, 74);
/* oklch */ color: oklch(37.0% 0.019 260.7);

Tailwind

colors: {
  custom: {
    50: '#70747c',
    500: '#3a404a',
    950: '#000000',
  },
}

SCSS

$custom: #3a404a;
$custom-light: #70747c;
$custom-dark: #000000;

JSON

{
  "hex": "#3a404a",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 74
  },
  "hsl": {
    "h": 217.5,
    "s": 12.121,
    "l": 25.882
  },
  "oklch": {
    "l": 0.36985,
    "c": 0.01899,
    "h": 260.7
  },
  "luminance": 0.05061
}

Semantic roles & 50–950 ramp

primary

#3A404A

secondary

#797266

accent

#9C73B5

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#070809

muted

#7A7B7B

Preview Lab

Preview with #3A404A

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

Preview Lab → · Contrast checker → · Palette generator →