#363642
Closest named color: Onyx (#343A40). oklch(33.8% 0.021 285.2), rgb(54, 54, 66).
Aa
White text reads best on this color (11.91:1).
About this color
#363642 is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.021. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.015 away. White text reads best on it, at 11.91:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.021) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.76:1 |
| White text | 11.91:1 |
Values
| HEX | #363642 |
| RGB | rgb(54, 54, 66) |
| HSL | hsl(240, 10%, 24%) |
| OKLCH | oklch(33.8% 0.021 285.2) |
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 #363642 | 11.91:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #363642 | 1.76:1 | Fails | Lc 0.0 | Not readable |
| #363642 text on white | 11.91:1 | AAA | Lc 97.3 | Preferred for body text |
| #363642 text on black | 1.76:1 | Fails | Lc 0.0 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E9E9ED
oklch(93.5% 0.005 286.3)
-
Step 200
200
#D8D8DF
oklch(88.4% 0.01 286.2)
-
Step 300
300
#BFBFCB
oklch(80.8% 0.017 286)
-
Step 400
400
#9F9FB0
oklch(70.8% 0.025 285.8)
-
Step 500
500
#87879D
oklch(63.1% 0.033 285.4)
-
Step 600
600
#717187
oklch(55.7% 0.034 285.2)
-
Step 700
700
#5E5E73
oklch(49% 0.033 285.1)
-
Step 800
800
#4D4D5D
oklch(42.6% 0.026 285.2)
-
Step 900
900 (this color)
#363642
oklch(33.8% 0.021 285.2)
-
Step 950
950
#26262D
oklch(27.2% 0.013 285.5)
#363642 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) | #333743 | 0.005 |
| Deuteranopia (no green cones) | #333742 | 0.006 |
| Tritanopia (no blue cones) | #34383A | 0.018 |
| Achromatopsia (no color) | #373737 | 0.021 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #363642
#363642
oklch(33.8% 0.021 285.2)
- #39382C
#39382C
oklch(33.8% 0.02 103.5)
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 #363642, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.015
- Gunmetal #293241 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.051
- Midnight Green #073B4C ΔE 0.052
- Charcoal #264653 ΔE 0.053
Use #363642 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.