#3A4056#3A4056

#3A4056 is a dark, muted blue. Relative luminance 0.052; OKLCH L 37.5% C 0.039 H 272.6°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#3A4056
RGB	rgb(58, 64, 86)
HSL	hsl(227, 19%, 28%)
HSV	hsv(227, 33%, 34%)
CMYK	cmyk(32.6%, 25.6%, 0%, 66.3%)
CIE-LAB	lab(27.40, 3.43, -13.99)
CIE-LCH	lch(27.40, 14.40, 283.79°)
OKLab	oklab(37.54% 0.0018 -0.0386)
OKLCH	oklch(37.54% 0.039 272.6)
XYZ	xyz(5.2576, 5.2380, 9.5363)
Luminance	0.0524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4056 #56503A

analogous

#3A4E56 #3A4056 #423A56

triadic

#3A4056 #563A40 #40563A

tetradic

#3A4056 #563A4E #56503A #3A5642

square

#3A4056 #563A4E #56503A #3A5642

split-complementary

#3A4056 #56423A #4E563A

monochromatic

#0C0E12 #212531 #3A4056 #535B7B #6E789D

Accessibility & contrast

On white

10.26

#3A4056 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3A4056 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4056

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4056	#FFFFFF	#000000	##FFFFFF
##3A4056	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394257

Deuteranopia (green-blind)

#374055

Tritanopia (blue-blind)

#334448

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a4056;
/* rgb */ color: rgb(58, 64, 86);
/* oklch */ color: oklch(37.5% 0.039 272.6);

Tailwind

colors: {
  custom: {
    50: '#717485',
    500: '#3a4056',
    950: '#000000',
  },
}

SCSS

$custom: #3a4056;
$custom-light: #717485;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4056",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 86
  },
  "hsl": {
    "h": 227.143,
    "s": 19.444,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37537,
    "c": 0.03865,
    "h": 272.6
  },
  "luminance": 0.05238
}

Semantic roles & 50–950 ramp

primary

#3A4056

secondary

#867F66

accent

#AB6CBC

background

#F6F7F8

surface

#ECEDEF

border

#C7C8CA

text

#07080B

muted

#7A7B7C

Preview Lab

Preview with #3A4056

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

Preview Lab → · Contrast checker → · Palette generator →