#3E4B49
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.1% 0.017 185.2), rgb(62, 75, 73).
Aa
White text reads best on this color (9.10:1).
About this color
#3E4B49 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.017. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.021 away. White text reads best on it, at 9.10:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.017) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #3E4B49 |
| RGB | rgb(62, 75, 73) |
| HSL | hsl(171, 9%, 27%) |
| OKLCH | oklch(40.1% 0.017 185.2) |
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 #3E4B49 | 9.10:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #3E4B49 | 2.30:1 | Fails | Lc 13.0 | Not readable |
| #3E4B49 text on white | 9.10:1 | AAA | Lc 91.0 | Preferred for body text |
| #3E4B49 text on black | 2.30:1 | Fails | Lc -11.4 | 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 900.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D4DBDA
oklch(88.6% 0.008 186.9)
-
Step 300
300
#B8C3C2
oklch(80.8% 0.012 190.4)
-
Step 400
400
#93A5A2
oklch(70.7% 0.021 184.7)
-
Step 500
500
#798F8B
oklch(63.1% 0.026 183.3)
-
Step 600
600
#617975
oklch(55.6% 0.029 184)
-
Step 700
700
#506663
oklch(49.1% 0.027 186.1)
-
Step 800
800
#425350
oklch(42.7% 0.022 183.4)
-
Step 900
900 (this color)
#3E4B49
oklch(40.1% 0.017 185.2)
-
Step 950
950
#212827
oklch(27% 0.01 186.1)
#3E4B49 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) | #4A4949 | 0.019 |
| Deuteranopia (no green cones) | #474849 | 0.016 |
| Tritanopia (no blue cones) | #3B4C4A | 0.005 |
| Achromatopsia (no color) | #484848 | 0.017 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3E4B49
#3E4B49
oklch(40.1% 0.017 185.2)
- #504446
#504446
oklch(40% 0.017 6.5)
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 #3E4B49, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.021
- Charcoal Grey #3C4142 ΔE 0.032
- Charcoal #264653 ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.047
- Dark Teal #014D4E ΔE 0.052
- Dark Blue Green #005249 ΔE 0.054
- Deep Teal #00555A ΔE 0.054
- Onyx #343A40 ΔE 0.058
Use #3E4B49 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.