#353941
Closest named color: Onyx (#343A40). oklch(34.4% 0.015 264.4), rgb(53, 57, 65).
Aa
White text reads best on this color (11.58:1).
About this color
#353941 is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.015. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.005 away. White text reads best on it, at 11.58:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.015) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.81:1 |
| White text | 11.58:1 |
Values
| HEX | #353941 |
| RGB | rgb(53, 57, 65) |
| HSL | hsl(220, 10%, 23%) |
| OKLCH | oklch(34.4% 0.015 264.4) |
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 #353941 | 11.58:1 | AAA | Lc -100.3 | Preferred for body text |
| Black text on #353941 | 1.81:1 | Fails | Lc 0.0 | Not readable |
| #353941 text on white | 11.58:1 | AAA | Lc 96.7 | Preferred for body text |
| #353941 text on black | 1.81:1 | 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
#F5F5F6
oklch(97% 0.001 286.4)
-
Step 100
100
#E9EAEC
oklch(93.7% 0.003 264.5)
-
Step 200
200
#D7D9DD
oklch(88.5% 0.006 264.5)
-
Step 300
300
#BDC1C8
oklch(81% 0.011 261.8)
-
Step 400
400
#9BA1AC
oklch(70.8% 0.017 262.7)
-
Step 500
500
#828A98
oklch(63.2% 0.023 261.7)
-
Step 600
600
#6C7382
oklch(55.5% 0.025 265.6)
-
Step 700
700
#5A616E
oklch(49.1% 0.023 262.9)
-
Step 800
800
#4A4F5A
oklch(42.7% 0.019 266.1)
-
Step 900
900 (this color)
#353941
oklch(34.4% 0.015 264.4)
-
Step 950
950
#24262B
oklch(26.9% 0.01 268.3)
#353941 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) | #373941 | 0.003 |
| Deuteranopia (no green cones) | #353841 | 0.003 |
| Tritanopia (no blue cones) | #323B3C | 0.014 |
| Achromatopsia (no color) | #393939 | 0.015 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #353941
#353941
oklch(34.4% 0.015 264.4)
- #3D3830
#3D3830
oklch(34.3% 0.015 79.6)
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 #353941, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.005
- Charcoal Grey #3C4142 ΔE 0.030
- Gunmetal #293241 ΔE 0.032
- Dark Blue Grey #1F3B4D ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.046
- Charcoal #264653 ΔE 0.046
- Midnight Green #073B4C ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.052
Use #353941 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.