#374146
Closest named color: Charcoal Grey (#3C4142). oklch(36.8% 0.016 229.4), rgb(55, 65, 70).
Aa
White text reads best on this color (10.46:1).
About this color
#374146 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.016. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.010 away. White text reads best on it, at 10.46:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.016) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.00:1 |
| White text | 10.46:1 |
Values
| HEX | #374146 |
| RGB | rgb(55, 65, 70) |
| HSL | hsl(200, 12%, 25%) |
| OKLCH | oklch(36.8% 0.016 229.4) |
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 #374146 | 10.46:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #374146 | 2.00:1 | Fails | Lc 9.6 | Not readable |
| #374146 text on white | 10.46:1 | AAA | Lc 94.3 | Preferred for body text |
| #374146 text on black | 2.00:1 | Fails | Lc -8.3 | 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
#E8EAEC
oklch(93.6% 0.003 247.9)
-
Step 200
200
#D5DADD
oklch(88.5% 0.007 233.7)
-
Step 300
300
#B9C2C7
oklch(80.9% 0.012 231.7)
-
Step 400
400
#95A3AA
oklch(70.7% 0.019 229.1)
-
Step 500
500
#7B8D95
oklch(63.2% 0.024 226.4)
-
Step 600
600
#647780
oklch(55.7% 0.026 228.1)
-
Step 700
700
#53646C
oklch(49.2% 0.024 228)
-
Step 800
800
#445158
oklch(42.6% 0.02 231.4)
-
Step 900
900 (this color)
#374146
oklch(36.8% 0.016 229.4)
-
Step 950
950
#22272A
oklch(26.9% 0.009 234.1)
#374146 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) | #3E4046 | 0.011 |
| Deuteranopia (no green cones) | #3C3F46 | 0.010 |
| Tritanopia (no blue cones) | #334243 | 0.009 |
| Achromatopsia (no color) | #3F3F3F | 0.016 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #374146
#374146
oklch(36.8% 0.016 229.4)
- #463D38
#463D38
oklch(36.8% 0.015 51)
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 #374146, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.010
- Onyx #343A40 ΔE 0.024
- Charcoal #264653 ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Teal #014D4E ΔE 0.054
- Gunmetal #293241 ΔE 0.056
Use #374146 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.