#3A524E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.8% 0.03 183.4), rgb(58, 82, 78).
Aa
White text reads best on this color (8.41:1).
About this color
#3A524E is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.030 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 8.41:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.030) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #3A524E |
| RGB | rgb(58, 82, 78) |
| HSL | hsl(170, 17%, 27%) |
| OKLCH | oklch(41.8% 0.03 183.4) |
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 #3A524E | 8.41:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #3A524E | 2.49:1 | Fails | Lc 15.0 | Dividers and decoration only |
| #3A524E text on white | 8.41:1 | AAA | Lc 89.0 | Fine for body text |
| #3A524E text on black | 2.49:1 | Fails | Lc -13.2 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B5C4C2
oklch(80.8% 0.017 187.2)
-
Step 400
400
#8EA7A2
oklch(70.8% 0.029 182)
-
Step 500
500
#72918C
oklch(63.2% 0.036 184.3)
-
Step 600
600
#5A7B76
oklch(55.6% 0.038 184.6)
-
Step 700
700
#496863
oklch(49.2% 0.037 183.7)
-
Step 800
800 (this color)
#3A524E
oklch(41.8% 0.03 183.4)
-
Step 900
900
#344643
oklch(37.8% 0.023 183.7)
-
Step 950
950
#1F2927
oklch(27.1% 0.014 181.6)
#3A524E 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) | #504F4E | 0.033 |
| Deuteranopia (no green cones) | #4B4C4E | 0.030 |
| Tritanopia (no blue cones) | #335351 | 0.009 |
| Achromatopsia (no color) | #4D4D4D | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3A524E
#3A524E
oklch(41.8% 0.03 183.4)
- #5B464B
#5B464B
oklch(41.8% 0.03 2.6)
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 #3A524E, 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 0.043
- Dark Blue Green #005249 ΔE 0.047
- Dark Teal #014D4E ΔE 0.051
- Charcoal #264653 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Green Blue #1F6357 ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.056
Use #3A524E 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.