#3E4F45
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41% 0.027 159.1), rgb(62, 79, 69).
Aa
White text reads best on this color (8.71:1).
About this color
#3E4F45 is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.024 away. White text reads best on it, at 8.71:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #3E4F45 |
| RGB | rgb(62, 79, 69) |
| HSL | hsl(145, 12%, 28%) |
| OKLCH | oklch(41% 0.027 159.1) |
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 #3E4F45 | 8.71:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #3E4F45 | 2.40:1 | Fails | Lc 14.1 | Not readable |
| #3E4F45 text on white | 8.71:1 | AAA | Lc 89.9 | Fine for body text |
| #3E4F45 text on black | 2.40:1 | Fails | Lc -12.4 | 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 800.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBE9
oklch(93.6% 0.005 165)
-
Step 200
200
#D4DBD7
oklch(88.5% 0.009 161.3)
-
Step 300
300
#B8C4BD
oklch(80.9% 0.016 160.5)
-
Step 400
400
#94A69B
oklch(70.8% 0.026 158.9)
-
Step 500
500
#799082
oklch(63.1% 0.034 158.6)
-
Step 600
600
#627A6C
oklch(55.6% 0.035 159.4)
-
Step 700
700
#51675A
oklch(49.2% 0.034 159)
-
Step 800
800 (this color)
#3E4F45
oklch(41% 0.027 159.1)
-
Step 900
900
#38453E
oklch(37.6% 0.021 161.7)
-
Step 950
950
#212924
oklch(27.1% 0.015 157.9)
#3E4F45 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) | #4F4C45 | 0.027 |
| Deuteranopia (no green cones) | #4C4A46 | 0.026 |
| Tritanopia (no blue cones) | #3B4F4C | 0.012 |
| Achromatopsia (no color) | #4B4B4B | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4F45
#3E4F45
oklch(41% 0.027 159.1)
- #55454F
#55454F
oklch(41.1% 0.027 340.5)
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 #3E4F45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.024
- Charcoal Grey #3C4142 ΔE 0.045
- Dark Blue Green #005249 ΔE 0.049
- Deep Teal #00555A ΔE 0.053
- Charcoal #264653 ΔE 0.054
- Dark Teal #014D4E ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.061
- Dark Green Blue #1F6357 ΔE 0.063
Use #3E4F45 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.