#404C18
Closest named color: Navy Green (#35530A). oklch(39.4% 0.076 121), rgb(64, 76, 24).
Aa
White text reads best on this color (9.27:1).
About this color
#404C18 is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.076 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Navy Green (#35530A), ΔE 0.032 away. White text reads best on it, at 9.27:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.076) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.26:1 |
| White text | 9.27:1 |
Values
| HEX | #404C18 |
| RGB | rgb(64, 76, 24) |
| HSL | hsl(74, 52%, 20%) |
| OKLCH | oklch(39.4% 0.076 121) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #404C18 | 9.27:1 | AAA | Lc -95.7 | Preferred for body text |
| Black text on #404C18 | 2.26:1 | Fails | Lc 12.6 | Not readable |
| #404C18 text on white | 9.27:1 | AAA | Lc 91.3 | Preferred for body text |
| #404C18 text on black | 2.26:1 | Fails | Lc -11.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE0
oklch(93.7% 0.017 121.8)
-
Step 200
200
#D6DDC6
oklch(88.6% 0.032 120.8)
-
Step 300
300
#BBC79E
oklch(81% 0.057 120.9)
-
Step 400
400
#98AA68
oklch(70.8% 0.092 121.2)
-
Step 500
500
#7F943C
oklch(63.1% 0.117 121.1)
-
Step 600
600
#697E12
oklch(55.7% 0.127 121)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#475609
oklch(42.5% 0.097 121)
-
Step 900
900 (this color)
#404C18
oklch(39.4% 0.076 121)
-
Step 950
950
#232A0D
oklch(27% 0.048 121)
#404C18 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #514712 | 0.030 |
| Deuteranopia (no green cones) | #4F471C | 0.030 |
| Tritanopia (no blue cones) | #444841 | 0.064 |
| Achromatopsia (no color) | #474747 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404C18
#404C18
oklch(39.4% 0.076 121)
- #4D3C68
#4D3C68
oklch(39.4% 0.075 300.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #404C18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.032
- Green Brown #544E03 ΔE 0.034
- Dark Olive #373E02 ΔE 0.049
- Pine #2B5D34 ΔE 0.055
- Mud Brown #60460F ΔE 0.055
- Army Green #4B5D16 ΔE 0.058
- Pine Green #0A481E ΔE 0.059
- Forest #0B5509 ΔE 0.061
Use #404C18 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.