#404C1B
Closest named color: Navy Green (#35530A). oklch(39.4% 0.073 121.4), rgb(64, 76, 27).
Aa
White text reads best on this color (9.26:1).
About this color
#404C1B is a dark, moderately saturated brown. In OKLCH its lightness is 39%, its chroma 0.073 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 0.034 away. White text reads best on it, at 9.26:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.073) |
| Temperature | in between |
| Nearest name | Navy Green (#35530A) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #404C1B |
| RGB | rgb(64, 76, 27) |
| HSL | hsl(75, 48%, 20%) |
| OKLCH | oklch(39.4% 0.073 121.4) |
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 #404C1B | 9.26:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #404C1B | 2.26:1 | Fails | Lc 12.7 | Not readable |
| #404C1B text on white | 9.26:1 | AAA | Lc 91.3 | Preferred for body text |
| #404C1B 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
#D6DDC7
oklch(88.6% 0.03 121.4)
-
Step 300
300
#BBC79F
oklch(81% 0.056 121.2)
-
Step 400
400
#98A96A
oklch(70.6% 0.088 121)
-
Step 500
500
#7F9440
oklch(63.2% 0.113 121.4)
-
Step 600
600
#687E1C
oklch(55.7% 0.123 121.8)
-
Step 700
700
#576A0C
oklch(49.1% 0.114 121.5)
-
Step 800
800
#475610
oklch(42.6% 0.093 121.3)
-
Step 900
900 (this color)
#404C1B
oklch(39.4% 0.073 121.4)
-
Step 950
950
#232A0E
oklch(27% 0.047 121.3)
#404C1B 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) | #514716 | 0.030 |
| Deuteranopia (no green cones) | #4F471E | 0.030 |
| Tritanopia (no blue cones) | #434841 | 0.061 |
| Achromatopsia (no color) | #474747 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404C1B
#404C1B
oklch(39.4% 0.073 121.4)
- #4D3C67
#4D3C67
oklch(39.4% 0.073 301.3)
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 #404C1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Green #35530A ΔE 0.034
- Green Brown #544E03 ΔE 0.035
- Dark Olive #373E02 ΔE 0.049
- Pine #2B5D34 ΔE 0.054
- Mud Brown #60460F ΔE 0.055
- Army Green #4B5D16 ΔE 0.059
- Pine Green #0A481E ΔE 0.060
- Forest #0B5509 ΔE 0.063
Use #404C1B 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.