#3D585A
Closest named color: Dark Slate Gray (#2F4F4F). oklch(44% 0.032 201.8), rgb(61, 88, 90).
Aa
White text reads best on this color (7.65:1).
About this color
#3D585A is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.032 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.037 away. White text reads best on it, at 7.65:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #3D585A |
| RGB | rgb(61, 88, 90) |
| HSL | hsl(184, 19%, 30%) |
| OKLCH | oklch(44% 0.032 201.8) |
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 #3D585A | 7.65:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #3D585A | 2.74:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #3D585A text on white | 7.65:1 | AAA | Lc 86.6 | Fine for body text |
| #3D585A text on black | 2.74:1 | Fails | Lc -15.5 | Dividers and decoration only |
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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEB
oklch(93.6% 0.005 197.1)
-
Step 200
200
#D2DBDC
oklch(88.5% 0.01 204.9)
-
Step 300
300
#B3C4C6
oklch(80.8% 0.019 205.3)
-
Step 400
400
#8BA7A9
oklch(70.8% 0.031 201.8)
-
Step 500
500
#6E9193
oklch(63.1% 0.039 200.6)
-
Step 600
600
#567B7E
oklch(55.6% 0.042 202.4)
-
Step 700
700
#46686A
oklch(49.2% 0.039 200.6)
-
Step 800
800 (this color)
#3D585A
oklch(44% 0.032 201.8)
-
Step 900
900
#324647
oklch(37.8% 0.025 200)
-
Step 950
950
#1D292A
oklch(27% 0.017 202.6)
#3D585A 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) | #54565A | 0.033 |
| Deuteranopia (no green cones) | #4F525A | 0.030 |
| Tritanopia (no blue cones) | #335A59 | 0.013 |
| Achromatopsia (no color) | #535353 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3D585A
#3D585A
oklch(44% 0.032 201.8)
- #634C4A
#634C4A
oklch(44% 0.032 24.2)
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 #3D585A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Green Blue #1F6357 ΔE 0.044
- Petrol #005F6A ΔE 0.045
- Deep Teal #00555A ΔE 0.048
- YInMn Blue #415A77 ΔE 0.048
- Dark Aqua #05696B ΔE 0.058
- Slate #516572 ΔE 0.059
- Dusty Grape #545775 ΔE 0.059
Use #3D585A 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.