#3A404C#3A404C

#3A404C is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.1% C 0.022 H 264.3°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#3A404C
RGB	rgb(58, 64, 76)
HSL	hsl(220, 13%, 26%)
HSV	hsv(220, 24%, 30%)
CMYK	cmyk(23.7%, 15.8%, 0%, 70.2%)
CIE-LAB	lab(26.98, 0.59, -8.10)
CIE-LCH	lch(26.98, 8.12, 274.18°)
OKLab	oklab(37.07% -0.0022 -0.022)
OKLCH	oklch(37.07% 0.022 264.3)
XYZ	xyz(4.8825, 5.0880, 7.5609)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A404C #4C463A

analogous

#3A494C #3A404C #3D3A4C

triadic

#3A404C #4C3A40 #404C3A

tetradic

#3A404C #4C3A49 #4C463A #3A4C3D

square

#3A404C #4C3A49 #4C463A #3A4C3D

split-complementary

#3A404C #4C3D3A #494C3A

monochromatic

#0D0F11 #202329 #3A404C #545D6F #6F7B91

Accessibility & contrast

On white

10.41

#3A404C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3A404C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A404C

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A404C	#FFFFFF	#000000	##FFFFFF
##3A404C	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414D

Deuteranopia (green-blind)

#3B3F4C

Tritanopia (blue-blind)

#364244

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3a404c;
/* rgb */ color: rgb(58, 64, 76);
/* oklch */ color: oklch(37.1% 0.022 264.3);

Tailwind

colors: {
  custom: {
    50: '#70747e',
    500: '#3a404c',
    950: '#000000',
  },
}

SCSS

$custom: #3a404c;
$custom-light: #70747e;
$custom-dark: #000000;

JSON

{
  "hex": "#3a404c",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 76
  },
  "hsl": {
    "h": 220,
    "s": 13.433,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37071,
    "c": 0.02216,
    "h": 264.3
  },
  "luminance": 0.05088
}

Semantic roles & 50–950 ramp

primary

#3A404C

secondary

#7C7466

accent

#9F72B6

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#070809

muted

#7A7B7B

Preview Lab

Preview with #3A404C

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

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