#39404A#39404A

#39404A is a dark, near-neutral blue. Relative luminance 0.050; OKLCH L 36.9% C 0.020 H 257.3°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX#39404A
RGBrgb(57, 64, 74)
HSLhsl(215, 13%, 26%)
HSVhsv(215, 23%, 29%)
CMYKcmyk(23%, 13.5%, 0%, 71%)
CIE-LABlab(26.82, -0.33, -7.04)
CIE-LCHlch(26.82, 7.04, 267.34°)
OKLaboklab(36.9% -0.0043 -0.0191)
OKLCHoklch(36.9% 0.02 257.3)
XYZxyz(4.7564, 5.0309, 7.1977)
Luminance0.0503 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39404A #4A4339
analogous
#39484A #39404A #3A394A
triadic
#39404A #4A3940 #404A39
tetradic
#39404A #4A3948 #4A4339 #394A3A
square
#39404A #4A3948 #4A4339 #394A3A
split-complementary
#39404A #4A3A39 #484A39
monochromatic
#0D0F11 #1E2227 #39404A #545E6D #6E7C8F

Accessibility & contrast

On white

10.47
#39404A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.01
#39404A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39404A
10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39404A#FFFFFF#000000##FFFFFF
##39404A1.0010.472.0110.47
#FFFFFF10.471.0021.001.00
#0000002.0121.001.0021.00
##FFFFFF10.471.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D404A
Deuteranopia (green-blind)
#3B3F4A
Tritanopia (blue-blind)
#354243
Achromatopsia (no color)
#3F3F3F

Design tokens & code

CSS
--color: #39404a;
/* rgb */ color: rgb(57, 64, 74);
/* oklch */ color: oklch(36.9% 0.020 257.3);
Tailwind
colors: {
  custom: {
    50: '#6f747c',
    500: '#39404a',
    950: '#000000',
  },
}
SCSS
$custom: #39404a;
$custom-light: #6f747c;
$custom-dark: #000000;
JSON
{
  "hex": "#39404a",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 74
  },
  "hsl": {
    "h": 215.294,
    "s": 12.977,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36898,
    "c": 0.01961,
    "h": 257.3
  },
  "luminance": 0.05031
}

Semantic roles & 50–950 ramp

primary
#39404A
secondary
#7A7165
accent
#9A72B6
background
#F6F7F7
surface
#ECEDEE
border
#C7C8C9
text
#070809
muted
#7A7B7B

Preview Lab

Preview with #39404A

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

Preview Lab → · Contrast checker → · Palette generator →

#39404A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva