#41535E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(43.1% 0.029 235.2), rgb(65, 83, 94).
Aa
White text reads best on this color (8.00:1).
About this color
#41535E is a dark close to neutral grey. In OKLCH its lightness is 43%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.037 away. White text reads best on it, at 8.00:1.
| Hue family | Neutrals |
| Lightness | dark (43%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #41535E |
| RGB | rgb(65, 83, 94) |
| HSL | hsl(203, 18%, 31%) |
| OKLCH | oklch(43.1% 0.029 235.2) |
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 #41535E | 8.00:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #41535E | 2.62:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #41535E text on white | 8.00:1 | AAA | Lc 87.7 | Fine for body text |
| #41535E text on black | 2.62:1 | Fails | Lc -14.4 | 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 800.
-
Step 50
50
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E7EAED
oklch(93.6% 0.005 247.9)
-
Step 200
200
#D3DADE
oklch(88.4% 0.009 232.4)
-
Step 300
300
#B7C3CA
oklch(81% 0.017 233.1)
-
Step 400
400
#91A4AF
oklch(70.7% 0.027 233.2)
-
Step 500
500
#768D9C
oklch(63.1% 0.035 236.7)
-
Step 600
600
#5E7786
oklch(55.5% 0.037 234.7)
-
Step 700
700
#4E6472
oklch(49.1% 0.035 236.3)
-
Step 800
800 (this color)
#41535E
oklch(43.1% 0.029 235.2)
-
Step 900
900
#36444C
oklch(37.8% 0.023 233.2)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#41535E 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) | #4E525F | 0.019 |
| Deuteranopia (no green cones) | #4A4F5E | 0.017 |
| Tritanopia (no blue cones) | #385656 | 0.023 |
| Achromatopsia (no color) | #505050 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #41535E
#41535E
oklch(43.1% 0.029 235.2)
- #5D4C41
#5D4C41
oklch(43.1% 0.029 54.7)
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 #41535E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.037
- YInMn Blue #415A77 ΔE 0.042
- Dusty Grape #545775 ΔE 0.049
- Deep Teal #00555A ΔE 0.053
- Petrol #005F6A ΔE 0.054
- Dark Grey Blue #29465B ΔE 0.055
- Charcoal #264653 ΔE 0.058
- Dusk #4E5481 ΔE 0.063
Use #41535E 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.