#3F4833
Closest named color: Charcoal Grey (#3C4142). oklch(38.7% 0.036 126.9), rgb(63, 72, 51).
Aa
White text reads best on this color (9.60:1).
About this color
#3F4833 is a dark, muted green. In OKLCH its lightness is 39%, its chroma 0.036 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.040 away. White text reads best on it, at 9.60:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | muted (0.036) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.18:1 |
| White text | 9.60:1 |
Values
| HEX | #3F4833 |
| RGB | rgb(63, 72, 51) |
| HSL | hsl(86, 17%, 24%) |
| OKLCH | oklch(38.7% 0.036 126.9) |
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 #3F4833 | 9.60:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #3F4833 | 2.18:1 | Fails | Lc 11.7 | Not readable |
| #3F4833 text on white | 9.60:1 | AAA | Lc 92.3 | Preferred for body text |
| #3F4833 text on black | 2.18:1 | Fails | Lc -10.2 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E8EBE5
oklch(93.6% 0.009 128.6)
-
Step 200
200
#D6DBD1
oklch(88.5% 0.015 128.6)
-
Step 300
300
#BCC4B2
oklch(80.9% 0.026 126.6)
-
Step 400
400
#99A689
oklch(70.7% 0.044 127.2)
-
Step 500
500
#80906C
oklch(63.1% 0.055 127.4)
-
Step 600
600
#6A7A53
oklch(55.6% 0.061 126.4)
-
Step 700
700
#586744
oklch(49.1% 0.056 127.2)
-
Step 800
800
#485438
oklch(42.7% 0.047 127.1)
-
Step 900
900 (this color)
#3F4833
oklch(38.7% 0.036 126.9)
-
Step 950
950
#23291C
oklch(27.1% 0.025 128.1)
#3F4833 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) | #4A4532 | 0.019 |
| Deuteranopia (no green cones) | #494534 | 0.019 |
| Tritanopia (no blue cones) | #404642 | 0.028 |
| Achromatopsia (no color) | #454545 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F4833
#3F4833
oklch(38.7% 0.036 126.9)
- #493F54
#493F54
oklch(38.6% 0.037 306.3)
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 #3F4833, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.045
- Dark Blue Green #005249 ΔE 0.058
- Dark Olive #373E02 ΔE 0.060
- Onyx #343A40 ΔE 0.061
- Dark Teal #014D4E ΔE 0.062
- Charcoal #264653 ΔE 0.062
- Green Brown #544E03 ΔE 0.062
Use #3F4833 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.