#374B46
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.4% 0.026 177.8), rgb(55, 75, 70).
Aa
White text reads best on this color (9.30:1).
About this color
#374B46 is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.017 away. White text reads best on it, at 9.30:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.25:1 |
| White text | 9.30:1 |
Values
| HEX | #374B46 |
| RGB | rgb(55, 75, 70) |
| HSL | hsl(165, 15%, 25%) |
| OKLCH | oklch(39.4% 0.026 177.8) |
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 #374B46 | 9.30:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #374B46 | 2.25:1 | Fails | Lc 12.5 | Not readable |
| #374B46 text on white | 9.30:1 | AAA | Lc 91.5 | Preferred for body text |
| #374B46 text on black | 2.25:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DCD9
oklch(88.6% 0.012 176.3)
-
Step 300
300
#B4C5C0
oklch(80.9% 0.02 176.3)
-
Step 400
400
#8CA7A0
oklch(70.6% 0.032 177.9)
-
Step 500
500
#709289
oklch(63.2% 0.04 176.9)
-
Step 600
600
#577C73
oklch(55.6% 0.044 177.8)
-
Step 700
700
#476961
oklch(49.2% 0.041 178.2)
-
Step 800
800
#3B554F
oklch(42.7% 0.033 178.7)
-
Step 900
900 (this color)
#374B46
oklch(39.4% 0.026 177.8)
-
Step 950
950
#1E2926
oklch(26.9% 0.016 176.5)
#374B46 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) | #494946 | 0.027 |
| Deuteranopia (no green cones) | #464646 | 0.026 |
| Tritanopia (no blue cones) | #324C49 | 0.007 |
| Achromatopsia (no color) | #474747 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374B46
#374B46
oklch(39.4% 0.026 177.8)
- #524046
#524046
oklch(39.3% 0.027 356.5)
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 #374B46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.017
- Charcoal Grey #3C4142 ΔE 0.031
- Charcoal #264653 ΔE 0.038
- Dark Teal #014D4E ΔE 0.042
- Dark Blue Green #005249 ΔE 0.044
- Dark Grey Blue #29465B ΔE 0.047
- Deep Teal #00555A ΔE 0.049
- Onyx #343A40 ΔE 0.055
Use #374B46 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.