#39404D#39404D

#39404D is a dark, muted blue. Relative luminance 0.051; OKLCH L 37.0% C 0.024 H 262.8°. Best body text is #FFFFFF at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#39404D
RGB	rgb(57, 64, 77)
HSL	hsl(219, 15%, 26%)
HSV	hsv(219, 26%, 30%)
CMYK	cmyk(26%, 16.9%, 0%, 69.8%)
CIE-LAB	lab(26.94, 0.50, -8.83)
CIE-LCH	lch(26.94, 8.84, 273.21°)
OKLab	oklab(37.03% -0.003 -0.0241)
OKLCH	oklch(37.03% 0.024 262.8)
XYZ	xyz(4.8599, 5.0723, 7.7427)
Luminance	0.0507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39404D #4D4639

analogous

#394A4D #39404D #3C394D

triadic

#39404D #4D3940 #404D39

tetradic

#39404D #4D394A #4D4639 #394D3C

square

#39404D #4D394A #4D4639 #394D3C

split-complementary

#39404D #4D3C39 #4A4D39

monochromatic

#0D0F12 #1F232A #39404D #535D70 #6D7B93

Accessibility & contrast

On white

10.42

#39404D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#39404D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39404D

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39404D	#FFFFFF	#000000	##FFFFFF
##39404D	1.00	10.42	2.01	10.42
#FFFFFF	10.42	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C414E

Deuteranopia (green-blind)

#3A3F4D

Tritanopia (blue-blind)

#344344

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #39404d;
/* rgb */ color: rgb(57, 64, 77);
/* oklch */ color: oklch(37.0% 0.024 262.8);

Tailwind

colors: {
  custom: {
    50: '#6f747e',
    500: '#39404d',
    950: '#000000',
  },
}

SCSS

$custom: #39404d;
$custom-light: #6f747e;
$custom-dark: #000000;

JSON

{
  "hex": "#39404d",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 219,
    "s": 14.925,
    "l": 26.275
  },
  "oklch": {
    "l": 0.37029,
    "c": 0.02429,
    "h": 262.8
  },
  "luminance": 0.05072
}

Semantic roles & 50–950 ramp

primary

#39404D

secondary

#7D7465

accent

#9F70B8

background

#F6F7F7

surface

#ECEDEE

border

#C7C8C9

text

#07080A

muted

#7A7B7C

Preview Lab

Preview with #39404D

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

Preview Lab → · Contrast checker → · Palette generator →