#3B514B
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.5% 0.029 176.2), rgb(59, 81, 75).
Aa
White text reads best on this color (8.52:1).
About this color
#3B514B is a dark close to neutral grey. In OKLCH its lightness is 41%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 8.52:1.
| Hue family | Neutrals |
| Lightness | dark (41%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #3B514B |
| RGB | rgb(59, 81, 75) |
| HSL | hsl(164, 16%, 27%) |
| OKLCH | oklch(41.5% 0.029 176.2) |
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 #3B514B | 8.52:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #3B514B | 2.46:1 | Fails | Lc 14.7 | Not readable |
| #3B514B text on white | 8.52:1 | AAA | Lc 89.3 | Fine for body text |
| #3B514B text on black | 2.46:1 | Fails | Lc -12.9 | 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
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBD9
oklch(88.5% 0.009 179.6)
-
Step 300
300
#B6C4C0
oklch(80.8% 0.016 177)
-
Step 400
400
#90A6A0
oklch(70.6% 0.026 177.3)
-
Step 500
500
#749189
oklch(63.2% 0.035 176.5)
-
Step 600
600
#5C7B72
oklch(55.6% 0.038 175.1)
-
Step 700
700
#4C6760
oklch(49% 0.034 177.1)
-
Step 800
800 (this color)
#3B514B
oklch(41.5% 0.029 176.2)
-
Step 900
900
#354641
oklch(37.8% 0.023 175.1)
-
Step 950
950
#1F2926
oklch(27% 0.015 174.9)
#3B514B 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) | #4F4E4B | 0.030 |
| Deuteranopia (no green cones) | #4B4B4B | 0.029 |
| Tritanopia (no blue cones) | #35524F | 0.009 |
| Achromatopsia (no color) | #4C4C4C | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3B514B
#3B514B
oklch(41.5% 0.029 176.2)
- #59454C
#59454C
oklch(41.4% 0.029 355.5)
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 #3B514B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.018
- Deep Teal #00555A ΔE 0.046
- Dark Blue Green #005249 ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Teal #014D4E ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Dark Green Blue #1F6357 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.057
Use #3B514B 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.