#404D33
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.1% 0.045 129.8), rgb(64, 77, 51).
Aa
White text reads best on this color (9.02:1).
About this color
#404D33 is a dark, muted green. In OKLCH its lightness is 40%, its chroma 0.045 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.045 away. White text reads best on it, at 9.02:1.
| Hue family | Greens |
| Lightness | dark (40%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #404D33 |
| RGB | rgb(64, 77, 51) |
| HSL | hsl(90, 20%, 25%) |
| OKLCH | oklch(40.1% 0.045 129.8) |
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 #404D33 | 9.02:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #404D33 | 2.32:1 | Fails | Lc 13.2 | Not readable |
| #404D33 text on white | 9.02:1 | AAA | Lc 90.7 | Preferred for body text |
| #404D33 text on black | 2.32:1 | Fails | Lc -11.6 | 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
#F4F6F3
oklch(97.1% 0.004 134.8)
-
Step 100
100
#E8EBE4
oklch(93.6% 0.01 125.7)
-
Step 200
200
#D5DCCF
oklch(88.5% 0.019 130.2)
-
Step 300
300
#B9C5AF
oklch(80.8% 0.033 130.7)
-
Step 400
400
#96A884
oklch(70.8% 0.055 129.4)
-
Step 500
500
#7C9266
oklch(63.1% 0.068 129.8)
-
Step 600
600
#657C4D
oklch(55.6% 0.074 129.7)
-
Step 700
700
#54693E
oklch(49.2% 0.069 129.8)
-
Step 800
800
#455533
oklch(42.6% 0.057 129.1)
-
Step 900
900 (this color)
#404D33
oklch(40.1% 0.045 129.8)
-
Step 950
950
#22291A
oklch(26.9% 0.028 128.5)
#404D33 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) | #4F4931 | 0.025 |
| Deuteranopia (no green cones) | #4D4934 | 0.024 |
| Tritanopia (no blue cones) | #414B46 | 0.033 |
| Achromatopsia (no color) | #494949 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #404D33
#404D33
oklch(40.1% 0.045 129.8)
- #4F415A
#4F415A
oklch(40% 0.045 309.8)
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 #404D33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.045
- Green Brown #544E03 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.054
- Pine #2B5D34 ΔE 0.055
- Dark Blue Green #005249 ΔE 0.056
- Navy Green #35530A ΔE 0.058
- Mud Brown #60460F ΔE 0.059
- Dark Teal #014D4E ΔE 0.065
Use #404D33 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.