#364142
Closest named color: Charcoal Grey (#3C4142). oklch(36.6% 0.015 203.3), rgb(54, 65, 66).
Aa
White text reads best on this color (10.54:1).
About this color
#364142 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.009 away. White text reads best on it, at 10.54:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #364142 |
| RGB | rgb(54, 65, 66) |
| HSL | hsl(185, 10%, 24%) |
| OKLCH | oklch(36.6% 0.015 203.3) |
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 #364142 | 10.54:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #364142 | 1.99:1 | Fails | Lc 9.4 | Not readable |
| #364142 text on white | 10.54:1 | AAA | Lc 94.5 | Preferred for body text |
| #364142 text on black | 1.99:1 | Fails | Lc -8.1 | 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
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D5DADB
oklch(88.5% 0.006 211)
-
Step 300
300
#B9C3C4
oklch(81% 0.011 204.1)
-
Step 400
400
#95A4A5
oklch(70.7% 0.017 201.6)
-
Step 500
500
#7A8E8F
oklch(63.1% 0.023 200.3)
-
Step 600
600
#63787A
oklch(55.7% 0.025 203.6)
-
Step 700
700
#526566
oklch(49.1% 0.023 200.4)
-
Step 800
800
#435254
oklch(42.6% 0.019 206.4)
-
Step 900
900 (this color)
#364142
oklch(36.6% 0.015 203.3)
-
Step 950
950
#212828
oklch(27% 0.01 196.6)
#364142 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) | #3F4042 | 0.014 |
| Deuteranopia (no green cones) | #3D3E42 | 0.014 |
| Tritanopia (no blue cones) | #334241 | 0.006 |
| Achromatopsia (no color) | #3F3F3F | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #364142, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.009
- Onyx #343A40 ΔE 0.023
- Charcoal #264653 ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.045
- Dark Teal #014D4E ΔE 0.052
- Gunmetal #293241 ΔE 0.056
Use #364142 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.