#3C554E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.7% 0.033 175.5), rgb(60, 85, 78).
Aa
White text reads best on this color (8.07:1).
About this color
#3C554E is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.033 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.027 away. White text reads best on it, at 8.07:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #3C554E |
| RGB | rgb(60, 85, 78) |
| HSL | hsl(163, 17%, 28%) |
| OKLCH | oklch(42.7% 0.033 175.5) |
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 #3C554E | 8.07:1 | AAA | Lc -92.6 | Preferred for body text |
| Black text on #3C554E | 2.60:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #3C554E text on white | 8.07:1 | AAA | Lc 87.9 | Fine for body text |
| #3C554E text on black | 2.60:1 | Fails | Lc -14.2 | 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
#D2DBD9
oklch(88.4% 0.01 181.4)
-
Step 300
300
#B5C5C0
oklch(81% 0.019 175.2)
-
Step 400
400
#8EA7A0
oklch(70.7% 0.03 176.7)
-
Step 500
500
#719288
oklch(63.2% 0.04 174.5)
-
Step 600
600
#597C72
oklch(55.7% 0.043 175.1)
-
Step 700
700
#496860
oklch(49.1% 0.038 176.8)
-
Step 800
800 (this color)
#3C554E
oklch(42.7% 0.033 175.5)
-
Step 900
900
#334641
oklch(37.6% 0.026 176.9)
-
Step 950
950
#1E2926
oklch(26.9% 0.016 176.5)
#3C554E 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) | #53524E | 0.034 |
| Deuteranopia (no green cones) | #4F4F4E | 0.032 |
| Tritanopia (no blue cones) | #355653 | 0.010 |
| Achromatopsia (no color) | #505050 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C554E
#3C554E
oklch(42.7% 0.033 175.5)
- #5E4850
#5E4850
oklch(42.8% 0.032 354.8)
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 #3C554E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.046
- Deep Teal #00555A ΔE 0.046
- Dark Blue Green #005249 ΔE 0.051
- Petrol #005F6A ΔE 0.055
- Dark Teal #014D4E ΔE 0.058
- Pine #2B5D34 ΔE 0.059
- Charcoal #264653 ΔE 0.062
Use #3C554E 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.