#334746
Closest named color: Charcoal Grey (#3C4142). oklch(38.1% 0.025 192.3), rgb(51, 71, 70).
Aa
White text reads best on this color (9.85:1).
About this color
#334746 is a dark close to neutral grey. In OKLCH its lightness is 38%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.021 away. White text reads best on it, at 9.85:1.
| Hue family | Neutrals |
| Lightness | dark (38%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.13:1 |
| White text | 9.85:1 |
Values
| HEX | #334746 |
| RGB | rgb(51, 71, 70) |
| HSL | hsl(177, 16%, 24%) |
| OKLCH | oklch(38.1% 0.025 192.3) |
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 #334746 | 9.85:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #334746 | 2.13:1 | Fails | Lc 11.1 | Not readable |
| #334746 text on white | 9.85:1 | AAA | Lc 92.9 | Preferred for body text |
| #334746 text on black | 2.13:1 | Fails | Lc -9.6 | 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 900.
-
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
#D2DBDB
oklch(88.5% 0.01 197)
-
Step 300
300
#B3C5C4
oklch(80.9% 0.02 192.7)
-
Step 400
400
#8CA7A5
oklch(70.7% 0.03 191)
-
Step 500
500
#6F918F
oklch(63% 0.038 191.7)
-
Step 600
600
#567B7A
oklch(55.5% 0.042 193.9)
-
Step 700
700
#466866
oklch(49.1% 0.039 191.3)
-
Step 800
800
#3A5554
oklch(42.8% 0.032 193.1)
-
Step 900
900 (this color)
#334746
oklch(38.1% 0.025 192.3)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#334746 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) | #454546 | 0.027 |
| Deuteranopia (no green cones) | #414246 | 0.025 |
| Tritanopia (no blue cones) | #2D4847 | 0.008 |
| Achromatopsia (no color) | #434343 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #334746
#334746
oklch(38.1% 0.025 192.3)
- #4F3D3F
#4F3D3F
oklch(38% 0.025 10.9)
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 #334746, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.021
- Dark Slate Gray #2F4F4F ΔE 0.026
- Charcoal #264653 ΔE 0.027
- Dark Grey Blue #29465B ΔE 0.039
- Dark Teal #014D4E ΔE 0.039
- Onyx #343A40 ΔE 0.041
- Dark Blue Green #005249 ΔE 0.048
- Deep Teal #00555A ΔE 0.053
Use #334746 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.