#404B2B
Closest named color: Green Brown (#544E03). oklch(39.4% 0.052 124.2), rgb(64, 75, 43).
Aa
White text reads best on this color (9.29:1).
About this color
#404B2B is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.052 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.047 away. White text reads best on it, at 9.29:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.052) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.25:1 |
| White text | 9.29:1 |
Values
| HEX | #404B2B |
| RGB | rgb(64, 75, 43) |
| HSL | hsl(81, 27%, 23%) |
| OKLCH | oklch(39.4% 0.052 124.2) |
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 #404B2B | 9.29:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #404B2B | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #404B2B text on white | 9.29:1 | AAA | Lc 91.4 | Preferred for body text |
| #404B2B text on black | 2.25:1 | Fails | Lc -10.9 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D6DCCC
oklch(88.5% 0.022 123.7)
-
Step 300
300
#BBC5AA
oklch(80.8% 0.039 123.8)
-
Step 400
400
#98A87D
oklch(70.8% 0.063 124.6)
-
Step 500
500
#7F925B
oklch(63.1% 0.08 124.2)
-
Step 600
600
#687C41
oklch(55.6% 0.087 124.5)
-
Step 700
700
#576832
oklch(49% 0.081 123.8)
-
Step 800
800
#47552A
oklch(42.6% 0.067 124)
-
Step 900
900 (this color)
#404B2B
oklch(39.4% 0.052 124.2)
-
Step 950
950
#232917
oklch(26.9% 0.033 123.6)
#404B2B 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) | #4E4729 | 0.024 |
| Deuteranopia (no green cones) | #4D472D | 0.025 |
| Tritanopia (no blue cones) | #424843 | 0.042 |
| Achromatopsia (no color) | #474747 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404B2B
#404B2B
oklch(39.4% 0.052 124.2)
- #4C3F5D
#4C3F5D
oklch(39.4% 0.052 303.9)
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 #404B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.047
- Navy Green #35530A ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.055
- Dark Olive #373E02 ΔE 0.056
- Mud Brown #60460F ΔE 0.056
- Charcoal Grey #3C4142 ΔE 0.057
- Pine #2B5D34 ΔE 0.058
- Dark Blue Green #005249 ΔE 0.062
Use #404B2B 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.