#3D4D45
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.4% 0.024 163.5), rgb(61, 77, 69).
Aa
White text reads best on this color (8.95:1).
About this color
#3D4D45 is a dark close to neutral grey. In OKLCH its lightness is 40%, its chroma 0.024. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.022 away. White text reads best on it, at 8.95:1.
| Hue family | Neutrals |
| Lightness | dark (40%) |
| Chroma | close to neutral grey (0.024) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #3D4D45 |
| RGB | rgb(61, 77, 69) |
| HSL | hsl(150, 12%, 27%) |
| OKLCH | oklch(40.4% 0.024 163.5) |
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 #3D4D45 | 8.95:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #3D4D45 | 2.34:1 | Fails | Lc 13.4 | Not readable |
| #3D4D45 text on white | 8.95:1 | AAA | Lc 90.5 | Preferred for body text |
| #3D4D45 text on black | 2.34:1 | Fails | Lc -11.8 | 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
#D5DBD8
oklch(88.6% 0.008 164.9)
-
Step 300
300
#B9C4BE
oklch(81% 0.015 162.4)
-
Step 400
400
#94A59D
oklch(70.6% 0.022 165.8)
-
Step 500
500
#7A8F85
oklch(63% 0.028 165.1)
-
Step 600
600
#63796E
oklch(55.5% 0.031 163.6)
-
Step 700
700
#52665C
oklch(49.1% 0.029 163.5)
-
Step 800
800 (this color)
#3D4D45
oklch(40.4% 0.024 163.5)
-
Step 900
900
#39453F
oklch(37.8% 0.019 163.8)
-
Step 950
950
#212825
oklch(26.9% 0.011 167.8)
#3D4D45 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) | #4C4B45 | 0.023 |
| Deuteranopia (no green cones) | #494945 | 0.021 |
| Tritanopia (no blue cones) | #3A4D4B | 0.010 |
| Achromatopsia (no color) | #494949 | 0.024 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D4D45
#3D4D45
oklch(40.4% 0.024 163.5)
- #53444C
#53444C
oklch(40.5% 0.024 344.9)
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 #3D4D45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.022
- Charcoal Grey #3C4142 ΔE 0.039
- Charcoal #264653 ΔE 0.048
- Dark Blue Green #005249 ΔE 0.049
- Dark Teal #014D4E ΔE 0.051
- Deep Teal #00555A ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.056
- Onyx #343A40 ΔE 0.064
Use #3D4D45 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.