#390407#390407

#390407 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.082 H 23.7°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX#390407
RGBrgb(57, 4, 7)
HSLhsl(357, 87%, 12%)
HSVhsv(357, 93%, 22%)
CMYKcmyk(0%, 93%, 87.7%, 77.6%)
CIE-LABlab(8.76, 25.80, 10.87)
CIE-LCHlch(8.76, 27.99, 22.86°)
OKLaboklab(22.35% 0.0749 0.0329)
OKLCHoklch(22.35% 0.082 23.7)
XYZxyz(1.7693, 0.9723, 0.2955)
Luminance0.0097 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#390407 #043936
analogous
#390422 #390407 #391C04
triadic
#390407 #073904 #040739
tetradic
#390407 #223904 #043936 #1C0439
square
#390407 #223904 #043936 #1C0439
split-complementary
#390407 #04391C #042239
monochromatic
#1D0204 #1D0204 #390407 #72080E #AB0C15

Accessibility & contrast

On white

17.58
#390407 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#390407 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #390407
17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##390407#FFFFFF#000000##FFFFFF
##3904071.0017.581.1917.58
#FFFFFF17.581.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.581.0021.001.00

Color blindness preview

Protanopia (red-blind)
#141207
Deuteranopia (green-blind)
#211D05
Tritanopia (blue-blind)
#400006
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #390407;
/* rgb */ color: rgb(57, 4, 7);
/* oklch */ color: oklch(22.3% 0.082 23.7);
Tailwind
colors: {
  custom: {
    50: '#744a4a',
    500: '#390407',
    950: '#000000',
  },
}
SCSS
$custom: #390407;
$custom-light: #744a4a;
$custom-dark: #000000;
JSON
{
  "hex": "#390407",
  "rgb": {
    "r": 57,
    "g": 4,
    "b": 7
  },
  "hsl": {
    "h": 356.604,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.22346,
    "c": 0.08182,
    "h": 23.7
  },
  "luminance": 0.00972
}

Semantic roles & 50–950 ramp

primary
#390407
secondary
#1E7B76
accent
#FDF12B
background
#F7F4F4
surface
#EDE7E7
border
#C8C3C3
text
#090101
muted
#7B7777

Preview Lab

Preview with #390407

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

Preview Lab → · Contrast checker → · Palette generator →

#390407 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva