#3A5149
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.3% 0.031 171.3), rgb(58, 81, 73).
Aa
White text reads best on this color (8.56:1).
About this color
#3A5149 is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.031 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.019 away. White text reads best on it, at 8.56:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.45:1 |
| White text | 8.56:1 |
Values
| HEX | #3A5149 |
| RGB | rgb(58, 81, 73) |
| HSL | hsl(159, 17%, 27%) |
| OKLCH | oklch(41.3% 0.031 171.3) |
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 #3A5149 | 8.56:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #3A5149 | 2.45:1 | Fails | Lc 14.6 | Not readable |
| #3A5149 text on white | 8.56:1 | AAA | Lc 89.4 | Fine for body text |
| #3A5149 text on black | 2.45:1 | Fails | Lc -12.8 | 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
#E6EBE9
oklch(93.6% 0.006 170.4)
-
Step 200
200
#D3DBD8
oklch(88.4% 0.01 171.8)
-
Step 300
300
#B6C5BF
oklch(81% 0.018 170)
-
Step 400
400
#8FA79E
oklch(70.7% 0.03 170.8)
-
Step 500
500
#739186
oklch(63% 0.038 170.7)
-
Step 600
600
#5B7B70
oklch(55.5% 0.04 171.6)
-
Step 700
700
#4B685E
oklch(49.1% 0.038 171.4)
-
Step 800
800 (this color)
#3A5149
oklch(41.3% 0.031 171.3)
-
Step 900
900
#354640
oklch(37.7% 0.024 171.4)
-
Step 950
950
#1F2925
oklch(27% 0.016 168.8)
#3A5149 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) | #504E49 | 0.033 |
| Deuteranopia (no green cones) | #4B4B4A | 0.031 |
| Tritanopia (no blue cones) | #34514F | 0.012 |
| Achromatopsia (no color) | #4C4C4C | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A5149
#3A5149
oklch(41.3% 0.031 171.3)
- #59444D
#59444D
oklch(41.2% 0.032 351.1)
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 #3A5149, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.019
- Dark Blue Green #005249 ΔE 0.045
- Deep Teal #00555A ΔE 0.046
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Teal #014D4E ΔE 0.050
- Charcoal #264653 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.059
Use #3A5149 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.