#43545F
Closest named color: YInMn Blue (#415A77). oklch(43.6% 0.028 236.7), rgb(67, 84, 95).
Aa
White text reads best on this color (7.85:1).
About this color
#43545F is a dark close to neutral grey. In OKLCH its lightness is 44%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is YInMn Blue (#415A77), ΔE 0.039 away. White text reads best on it, at 7.85:1.
| Hue family | Neutrals |
| Lightness | dark (44%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #43545F |
| RGB | rgb(67, 84, 95) |
| HSL | hsl(204, 17%, 32%) |
| OKLCH | oklch(43.6% 0.028 236.7) |
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 #43545F | 7.85:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #43545F | 2.67:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #43545F text on white | 7.85:1 | AAA | Lc 87.3 | Fine for body text |
| #43545F text on black | 2.67:1 | Fails | Lc -14.8 | 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
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B7C2CA
oklch(80.8% 0.017 239.2)
-
Step 400
400
#92A3AF
oklch(70.6% 0.026 238.6)
-
Step 500
500
#778D9B
oklch(63.1% 0.033 236)
-
Step 600
600
#5F7786
oklch(55.6% 0.037 235.7)
-
Step 700
700
#4F6472
oklch(49.1% 0.034 237.6)
-
Step 800
800 (this color)
#43545F
oklch(43.6% 0.028 236.7)
-
Step 900
900
#37444C
oklch(37.8% 0.022 235.2)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#43545F 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) | #4F5360 | 0.018 |
| Deuteranopia (no green cones) | #4B505F | 0.016 |
| Tritanopia (no blue cones) | #3B5757 | 0.022 |
| Achromatopsia (no color) | #525252 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43545F
#43545F
oklch(43.6% 0.028 236.7)
- #5E4E43
#5E4E43
oklch(43.7% 0.028 56.4)
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 #43545F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.041
- Dusty Grape #545775 ΔE 0.046
- Petrol #005F6A ΔE 0.054
- Deep Teal #00555A ΔE 0.056
- Dark Grey Blue #29465B ΔE 0.059
- Slate #516572 ΔE 0.060
- Dusk #4E5481 ΔE 0.061
Use #43545F 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.