#3C565C
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.5% 0.033 213.6), rgb(60, 86, 92).
Aa
White text reads best on this color (7.84:1).
About this color
#3C565C is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.033 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.034 away. White text reads best on it, at 7.84:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #3C565C |
| RGB | rgb(60, 86, 92) |
| HSL | hsl(191, 21%, 30%) |
| OKLCH | oklch(43.5% 0.033 213.6) |
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 #3C565C | 7.84:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #3C565C | 2.67:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #3C565C text on white | 7.84:1 | AAA | Lc 87.2 | Fine for body text |
| #3C565C text on black | 2.67:1 | Fails | Lc -14.9 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E6EBEC
oklch(93.7% 0.006 211)
-
Step 200
200
#D2DBDD
oklch(88.5% 0.01 212.5)
-
Step 300
300
#B3C4C8
oklch(80.9% 0.019 213.4)
-
Step 400
400
#8CA6AC
oklch(70.7% 0.03 213.2)
-
Step 500
500
#6F9098
oklch(63.1% 0.039 214.2)
-
Step 600
600
#567A82
oklch(55.5% 0.042 213)
-
Step 700
700
#46676E
oklch(49.1% 0.04 212.3)
-
Step 800
800 (this color)
#3C565C
oklch(43.5% 0.033 213.6)
-
Step 900
900
#32454A
oklch(37.6% 0.025 215.7)
-
Step 950
950
#1D292B
oklch(27.1% 0.017 208.8)
#3C565C 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) | #51545C | 0.030 |
| Deuteranopia (no green cones) | #4C505C | 0.028 |
| Tritanopia (no blue cones) | #315958 | 0.018 |
| Achromatopsia (no color) | #525252 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C565C
#3C565C
oklch(43.5% 0.033 213.6)
- #624B45
#624B45
oklch(43.5% 0.033 35.1)
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 #3C565C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.034
- Petrol #005F6A ΔE 0.045
- YInMn Blue #415A77 ΔE 0.045
- Deep Teal #00555A ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.051
- Dusty Grape #545775 ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.060
- Charcoal #264653 ΔE 0.061
Use #3C565C 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.