#3A404E#3A404E

#3A404E is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.2% C 0.025 H 266.9°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#3A404E
RGB	rgb(58, 64, 78)
HSL	hsl(222, 15%, 27%)
HSV	hsv(222, 26%, 31%)
CMYK	cmyk(25.6%, 17.9%, 0%, 69.4%)
CIE-LAB	lab(27.06, 1.14, -9.28)
CIE-LCH	lch(27.06, 9.35, 277.01°)
OKLab	oklab(37.16% -0.0014 -0.0254)
OKLCH	oklch(37.16% 0.025 266.9)
XYZ	xyz(4.9531, 5.1163, 7.9328)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A404E #4E483A

analogous

#3A4A4E #3A404E #3E3A4E

triadic

#3A404E #4E3A40 #404E3A

tetradic

#3A404E #4E3A4A #4E483A #3A4E3E

square

#3A404E #4E3A4A #4E483A #3A4E3E

split-complementary

#3A404E #4E3E3A #4A4E3A

monochromatic

#0D0E12 #20232B #3A404E #545D71 #6F7A94

Accessibility & contrast

On white

10.38

#3A404E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3A404E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A404E

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A404E	#FFFFFF	#000000	##FFFFFF
##3A404E	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414F

Deuteranopia (green-blind)

#3A3F4E

Tritanopia (blue-blind)

#354345

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3a404e;
/* rgb */ color: rgb(58, 64, 78);
/* oklch */ color: oklch(37.2% 0.025 266.9);

Tailwind

colors: {
  custom: {
    50: '#70747f',
    500: '#3a404e',
    950: '#000000',
  },
}

SCSS

$custom: #3a404e;
$custom-light: #70747f;
$custom-dark: #000000;

JSON

{
  "hex": "#3a404e",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 222,
    "s": 14.706,
    "l": 26.667
  },
  "oklch": {
    "l": 0.3716,
    "c": 0.02541,
    "h": 266.9
  },
  "luminance": 0.05116
}

Semantic roles & 50–950 ramp

primary

#3A404E

secondary

#7E7766

accent

#A270B7

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #3A404E

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

Preview Lab → · Contrast checker → · Palette generator →